]> git.karo-electronics.de Git - linux-beck.git/log
linux-beck.git
8 years ago[media] v4l: vsp1: Add VSP+DU support
Laurent Pinchart [Sun, 2 Aug 2015 21:37:01 +0000 (18:37 -0300)]
[media] v4l: vsp1: Add VSP+DU support

Implement internal control of the VSP pipeline to be used by the DU
DRM/KMS driver when using the VSP as an internal composer handled
through DRM/KMS only.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Don't validate links when the userspace API is disabled
Laurent Pinchart [Wed, 5 Aug 2015 20:14:41 +0000 (17:14 -0300)]
[media] v4l: vsp1: Don't validate links when the userspace API is disabled

As the pipeline is configured internally by the driver when the
userspace API is disabled its configuration can be trusted and link
validation isn't needed.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Set the alpha value manually in RPF and WPF s_stream handlers
Laurent Pinchart [Wed, 5 Aug 2015 19:57:35 +0000 (16:57 -0300)]
[media] v4l: vsp1: Set the alpha value manually in RPF and WPF s_stream handlers

The RPF and WPF alpha values are set through V4L2 controls and applied
when starting the video stream by a call to v4l2_ctrl_handler_setup().
As that function uses the control handler mutex it can't be called in
interrupt context, where the VSP+DU pipeline handler might need to
reconfigure the pipeline.

Set the alpha value manually in the RPF and WPF s_stream handler to
ensure that the hardware is properly configured even when controlled
without the userspace API. If the userspace API is enabled protect that
with the control lock to avoid race conditions with userspace.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Make pipeline inputs array index by RPF index
Laurent Pinchart [Wed, 5 Aug 2015 19:40:31 +0000 (16:40 -0300)]
[media] v4l: vsp1: Make pipeline inputs array index by RPF index

The pipeline inputs array stores pointers to all RPFs contained in the
pipeline. It's currently indexed contiguously by adding RPFs in the
order they are found during graph walk. This can't easily support
dynamic addition and removal of RPFs while streaming, which will be
required for combined VSP+DU support.

Make the array indexed by RPF index instead and skip NULL elements when
iterating over RPFs.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Make the userspace API optional
Laurent Pinchart [Tue, 28 Jul 2015 19:16:05 +0000 (16:16 -0300)]
[media] v4l: vsp1: Make the userspace API optional

The R-Car Gen3 SoCs include VSP instances dedicated to the DU that will
be controlled entirely by the rcar-du-drm driver through the KMS API. To
support that use case make the userspace V4L2 API optional.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Move format info to vsp1_pipe.c
Laurent Pinchart [Mon, 3 Aug 2015 13:21:49 +0000 (10:21 -0300)]
[media] v4l: vsp1: Move format info to vsp1_pipe.c

Format information and the related helper function are not specific to
the V4L2 API, move them from vsp1_video.c to vsp1_pipe.c.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Make the BRU optional
Laurent Pinchart [Fri, 14 Aug 2015 16:53:45 +0000 (13:53 -0300)]
[media] v4l: vsp1: Make the BRU optional

Not all VSP instances have a BRU on R-Car Gen3, make it optional. Set
the feature unconditionally for now, this will be fixed when adding Gen3
support.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Make number of BRU inputs configurable
Laurent Pinchart [Mon, 3 Aug 2015 12:46:26 +0000 (09:46 -0300)]
[media] v4l: vsp1: Make number of BRU inputs configurable

The R-Car Gen3 family has 5-inputs BRUs, support them by making the
number of BRU inputs configurable.

As the driver assumes that the number of BRU inputs is equal to the
number of RPFs, replace the BRU_MAX_INPUTS macro with VSP1_MAX_RPF to
make the assumption apparent.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Move entity route setup function to vsp1_entity.c
Laurent Pinchart [Sun, 2 Aug 2015 21:58:31 +0000 (18:58 -0300)]
[media] v4l: vsp1: Move entity route setup function to vsp1_entity.c

The function will be used by the DU code, move it out of vsp1_video.c.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Remove unused module read functions
Laurent Pinchart [Wed, 9 Sep 2015 14:32:06 +0000 (11:32 -0300)]
[media] v4l: vsp1: Remove unused module read functions

Several module read functions are not used, remove them.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Set the SRU CTRL0 register when starting the stream
Laurent Pinchart [Wed, 9 Sep 2015 14:38:56 +0000 (11:38 -0300)]
[media] v4l: vsp1: Set the SRU CTRL0 register when starting the stream

Commit 58f896d859ce ("[media] v4l: vsp1: sru: Make the intensity
controllable during streaming") refactored the stream start code and
removed the SRU CTRL0 register write by mistake. Add it back.

Fixes: 58f896d859ce ("[media] v4l: vsp1: sru: Make the intensity controllable during streaming")
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Fix typo in VI6_DISP_IRQ_STA_DST register bit name
Laurent Pinchart [Thu, 10 Sep 2015 07:55:46 +0000 (04:55 -0300)]
[media] v4l: vsp1: Fix typo in VI6_DISP_IRQ_STA_DST register bit name

Rename the VI6_DISP_IRQ_STA_DSE register bit to VI6_DISP_IRQ_STA_DST to
fix a typo and match the datasheet.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Document the vsp1_pipeline structure
Laurent Pinchart [Sun, 2 Aug 2015 21:24:55 +0000 (18:24 -0300)]
[media] v4l: vsp1: Document the vsp1_pipeline structure

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Extract link creation to separate function
Laurent Pinchart [Sun, 2 Aug 2015 21:21:12 +0000 (18:21 -0300)]
[media] v4l: vsp1: Extract link creation to separate function

Link creation will be handled differently for the DU pipeline.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Reuse local variable instead of recomputing it
Laurent Pinchart [Sun, 2 Aug 2015 20:43:36 +0000 (17:43 -0300)]
[media] v4l: vsp1: Reuse local variable instead of recomputing it

No need to waste CPU cycles when the value we need is already available.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Extract pipeline initialization code into a function
Laurent Pinchart [Sun, 2 Aug 2015 20:32:13 +0000 (17:32 -0300)]
[media] v4l: vsp1: Extract pipeline initialization code into a function

The code will be reused outside of vsp1_video.c.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Rename video pipeline functions to use vsp1_video prefix
Laurent Pinchart [Sun, 2 Aug 2015 20:29:03 +0000 (17:29 -0300)]
[media] v4l: vsp1: Rename video pipeline functions to use vsp1_video prefix

Those functions are specific to video nodes, rename them for
consistency.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Split pipeline management code from vsp1_video.c
Laurent Pinchart [Sun, 2 Aug 2015 17:15:23 +0000 (14:15 -0300)]
[media] v4l: vsp1: Split pipeline management code from vsp1_video.c

The code will be used to control the vsp1 driver from the DU driver
without using video nodes.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Decouple pipeline end of frame processing from vsp1_video
Laurent Pinchart [Sun, 2 Aug 2015 19:37:11 +0000 (16:37 -0300)]
[media] v4l: vsp1: Decouple pipeline end of frame processing from vsp1_video

To make the pipeline structure and operations usable without video
devices the frame end processing must be decoupled from struct
vsp1_video. Implement this by calling the video frame end function
indirectly through a function pointer in struct vsp1_pipeline.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Remove struct vsp1_pipeline num_video field
Laurent Pinchart [Sun, 2 Aug 2015 20:17:15 +0000 (17:17 -0300)]
[media] v4l: vsp1: Remove struct vsp1_pipeline num_video field

The field is always equal to the num_inputs field plus one, remove the
duplicate.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Move vsp1_video pointer from vsp1_entity to vsp1_rwpf
Laurent Pinchart [Sun, 2 Aug 2015 17:58:43 +0000 (14:58 -0300)]
[media] v4l: vsp1: Move vsp1_video pointer from vsp1_entity to vsp1_rwpf

Only RPFs and WPFs can be associated with video nodes, don't waste
memory by storing the video pointer in all entities.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Support VSP1 instances without any UDS
Laurent Pinchart [Tue, 28 Jul 2015 19:13:27 +0000 (16:13 -0300)]
[media] v4l: vsp1: Support VSP1 instances without any UDS

Not all VSP1 instances include a UDS. Make the renesas,#uds DT property
optional and accept a number of UDS equal to 0 as valid.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Make rwpf operations independent of video device
Laurent Pinchart [Tue, 28 Jul 2015 19:04:47 +0000 (16:04 -0300)]
[media] v4l: vsp1: Make rwpf operations independent of video device

The rwpf queue operation doesn't queue a buffer but sets the memory
address for the next run. Rename it to set_memory and pass it a new
structure independent of the video buffer than only contains memory
information.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Move video device out of struct vsp1_rwpf
Laurent Pinchart [Tue, 28 Jul 2015 18:46:00 +0000 (15:46 -0300)]
[media] v4l: vsp1: Move video device out of struct vsp1_rwpf

To make the video device nodes optional we need to decouple the [rw]pf
instances from the video devices. Move video devices out of struct
vsp1_rwpf and instantiate them dynamically in the core driver code.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Rename vsp1_video_buffer to vsp1_vb2_buffer
Laurent Pinchart [Tue, 28 Jul 2015 17:17:07 +0000 (14:17 -0300)]
[media] v4l: vsp1: Rename vsp1_video_buffer to vsp1_vb2_buffer

The structure represent a vsp1 videobuf2 buffer, name it accordingly.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Move video operations to vsp1_rwpf
Laurent Pinchart [Tue, 28 Jul 2015 17:05:56 +0000 (14:05 -0300)]
[media] v4l: vsp1: Move video operations to vsp1_rwpf

This removes the dependency of vsp1_rpf and vsp1_wpf on vsp1_video,
making it possible to reuse the operations without a V4L2 video device
node.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Store the memory format in struct vsp1_rwpf
Laurent Pinchart [Tue, 28 Jul 2015 17:00:43 +0000 (14:00 -0300)]
[media] v4l: vsp1: Store the memory format in struct vsp1_rwpf

Move the format from struct vsp1_video to struct vsp1_rwpf to prepare
for VSPD KMS support that will not instantiate V4L2 video device nodes.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Change the type of the rwpf field in struct vsp1_video
Laurent Pinchart [Tue, 28 Jul 2015 16:54:03 +0000 (13:54 -0300)]
[media] v4l: vsp1: Change the type of the rwpf field in struct vsp1_video

The rwpf field contains a pointer to the rpf or wpf associated with the
video node. Instead of storing it as a vsp1_entity, store the
corresponding vsp1_rwpf pointer to allow accessing the vsp1_rwpf fields
directly.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Group all link creation code in a single file
Laurent Pinchart [Sun, 31 Jan 2016 13:34:28 +0000 (11:34 -0200)]
[media] v4l: vsp1: Group all link creation code in a single file

There's no need to spread the code across multiple source files.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: vsp1: Add tri-planar memory formats support
Laurent Pinchart [Thu, 12 Nov 2015 00:04:24 +0000 (22:04 -0200)]
[media] v4l: vsp1: Add tri-planar memory formats support

Tri-planar memory formats store the Y, U and V components in separate
planes. The VSP hardware supports them, the driver now does too.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: Add YUV 4:2:2 and YUV 4:4:4 tri-planar non-contiguous formats
Laurent Pinchart [Thu, 12 Nov 2015 00:02:00 +0000 (22:02 -0200)]
[media] v4l: Add YUV 4:2:2 and YUV 4:4:4 tri-planar non-contiguous formats

The formats use three planes through the multiplanar API, allowing for
non-contiguous planes in memory.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] media: ti-vpe: cal: Fix syntax check warnings
Benoit Parrot [Mon, 15 Feb 2016 20:01:42 +0000 (18:01 -0200)]
[media] media: ti-vpe: cal: Fix syntax check warnings

Fix the following sparse warnings:

ti-vpe/cal.c:387:26: warning: incorrect type in return expression (different address spaces)
ti-vpe/cal.c:459:26: warning: incorrect type in return expression (different address spaces)
ti-vpe/cal.c:503:27: warning: incorrect type in argument 6 (different address spaces)
ti-vpe/cal.c:509:47: warning: incorrect type in argument 6 (different address spaces)
ti-vpe/cal.c:518:47: warning: incorrect type in argument 6 (different address spaces)
ti-vpe/cal.c:526:31: warning: incorrect type in argument 6 (different address spaces)
ti-vpe/cal.c:1807:24: warning: Using plain integer as NULL pointer
ti-vpe/cal.c:1844:16: warning: Using plain integer as NULL pointer

Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] s5p-mfc: add the support of V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME
Wu-Cheng Li [Tue, 19 Jan 2016 07:07:10 +0000 (05:07 -0200)]
[media] s5p-mfc: add the support of V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME

There is a new control V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME to
force an encoder key frame. It is the same as requesting
V4L2_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE_I_FRAME.

Signed-off-by: Wu-Cheng Li <wuchengli@chromium.org>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l: add V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME
Wu-Cheng Li [Tue, 19 Jan 2016 07:07:09 +0000 (05:07 -0200)]
[media] v4l: add V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME

Some drivers also need a control like
V4L2_CID_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE to force an encoder
key frame. Add a general V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME
so the new drivers and applications can use it.

Signed-off-by: Wu-Cheng Li <wuchengli@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] saa7134: Fix bytesperline not being set correctly for planar formats
Hans de Goede [Sun, 14 Feb 2016 19:51:37 +0000 (17:51 -0200)]
[media] saa7134: Fix bytesperline not being set correctly for planar formats

bytesperline should be the bytesperline for the first plane for planar
formats, not that of all planes combined.

This fixes a crash in xawtv caused by the wrong bpl.

BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1305389
Reported-and-tested-by: Stas Sergeev <stsp@list.ru>
Cc: stable@vger.kernel.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] media: ti-vpe: add dependency of HAS_DMA
Sudip Mukherjee [Fri, 12 Feb 2016 10:53:28 +0000 (08:53 -0200)]
[media] media: ti-vpe: add dependency of HAS_DMA

The build of m32r allmodconfig fails with the error:
 drivers/media/v4l2-core/videobuf2-dma-contig.c:492:28: error: implicit
declaration of function 'dma_get_cache_alignment'

The build of videobuf2-dma-contig.c depends on HAS_DMA and it is
correctly mentioned in the Kconfig but the symbol VIDEO_TI_CAL also
selects VIDEOBUF2_DMA_CONTIG, so it is trying to compile
videobuf2-dma-contig.c even though HAS_DMA is not defined.

Fixes: 343e89a792a5 ("[media] media: ti-vpe: Add CAL v4l2 camera capture driver")
Cc: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] timblogiw: move to staging in preparation for removal
Hans Verkuil [Wed, 10 Feb 2016 07:40:56 +0000 (05:40 -0200)]
[media] timblogiw: move to staging in preparation for removal

The Timberdale FPGA video driver has not seen any real development
since 2011 (and very little before that).

One of the problems with the timblogiw driver is that it uses videobuf
instead of the newer vb2 framework. The long term goal is to either
convert or remove any driver still using videobuf. Since none of the
core v4l developers has the hardware, we cannot convert it ourselves.

As far as I can tell it was only used in an Intel demo board in 2009
using Meego:

http://www.chinait.com/intelcontent/intelprc/admin/PDFFile/20106411545.pdf

which has since been superseded.

Moving this driver to staging is the first step towards removal. After 2 or
3 kernel cycles it will be removed altogether unless someone steps up to
clean up this driver.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Richard Röjfors <richard@puffinpack.se>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] adv7511: TX_EDID_PRESENT is still 1 after a disconnect
Hans Verkuil [Wed, 10 Feb 2016 11:32:25 +0000 (09:32 -0200)]
[media] adv7511: TX_EDID_PRESENT is still 1 after a disconnect

The V4L2_CID_TX_EDID_PRESENT control reports if an EDID is present.
The adv7511 however still reported the EDID present after disconnecting
the HDMI cable. Fix the logic regarding this control. And when the EDID
is disconnected also call ADV7511_EDID_DETECT to notify the bridge driver.
This was also missing.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: <stable@vger.kernel.org> # for v3.12 and up
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] usb/cpia2_core: clean up a min_t() cast
Dan Carpenter [Tue, 9 Feb 2016 11:14:12 +0000 (09:14 -0200)]
[media] usb/cpia2_core: clean up a min_t() cast

It makes sense to make the min_t() cast unsigned here since we don't
really want negative sizes.  Making it signed causes a static checker
warning in Smatch.  Smatch knows "fw->size - i" is positive but it
doesn't know that fw->size is less than INT_MAX so in theory casting it
to int might lead to a negative.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] pvrusb2: correctly handling failed thread run
Insu Yun [Thu, 4 Feb 2016 23:09:23 +0000 (21:09 -0200)]
[media] pvrusb2: correctly handling failed thread run

Since kthread_run returns -ENOMEM if failed,
it needs to be checked whether it is error, not whether it is null.

Signed-off-by: Insu Yun <wuninsu@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l2-async: Don't fail if registered_async isn't implemented
Javier Martinez Canillas [Tue, 16 Feb 2016 20:03:21 +0000 (18:03 -0200)]
[media] v4l2-async: Don't fail if registered_async isn't implemented

After sub-dev registration in v4l2_async_test_notify(), the v4l2-async
core calls the registered_async callback but if a sub-dev driver does
not implement it, v4l2_subdev_call() will return a -ENOIOCTLCMD which
should not be considered an error.

Reported-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Tested-by: Benoit Parrot <bparrot@ti.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] siano: use generic function to create MC device
Mauro Carvalho Chehab [Tue, 16 Feb 2016 10:07:43 +0000 (08:07 -0200)]
[media] siano: use generic function to create MC device

Currently, it is initializing the driver name using the wrong
name ("usb"). Use the generic function, as its logic works
best, and avoids repeating the very same code everywhere.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] smsusb: don't sleep while atomic
Mauro Carvalho Chehab [Tue, 16 Feb 2016 09:22:27 +0000 (07:22 -0200)]
[media] smsusb: don't sleep while atomic

smscore_getbuffer() calls internally wait_event(), with can sleep.
As smsusb_onresponse() is called on interrupt context, this causes
the following warning:

BUG: sleeping function called from invalid context at drivers/media/common/siano/smscoreapi.c:1653
in_atomic(): 1, irqs_disabled(): 1, pid: 11084, name: systemd-udevd
INFO: lockdep is turned off.
irq event stamp: 0
hardirqs last  enabled at (0): [<          (null)>]           (null)
hardirqs last disabled at (0): [<ffffffff811480f7>] copy_process.part.7+0x10e7/0x56d0
softirqs last  enabled at (0): [<ffffffff81148193>] copy_process.part.7+0x1183/0x56d0
softirqs last disabled at (0): [<          (null)>]           (null)
CPU: 2 PID: 11084 Comm: systemd-udevd Tainted: G    B   W       4.5.0-rc3+ #47
Hardware name:                  /NUC5i7RYB, BIOS RYBDWi35.86A.0350.2015.0812.1722 08/12/2015
 0000000000000000 ffff8803c6907a80 ffffffff81933901 ffff8802bd916000
 ffff8802bd9165c8 ffff8803c6907aa8 ffffffff811c6af5 ffff8802bd916000
 ffffffffa0ce9b60 0000000000000675 ffff8803c6907ae8 ffffffff811c6ce5
Call Trace:
 <IRQ>  [<ffffffff81933901>] dump_stack+0x85/0xc4
 [<ffffffff811c6af5>] ___might_sleep+0x245/0x3a0
 [<ffffffff811c6ce5>] __might_sleep+0x95/0x1a0
 [<ffffffffa0ce020a>] ? list_add_locked+0xca/0x140 [smsmdtv]
 [<ffffffffa0ce3b8d>] smscore_getbuffer+0x7d/0x120 [smsmdtv]
 [<ffffffff8123819d>] ? trace_hardirqs_off+0xd/0x10
 [<ffffffffa0ce3b10>] ? smscore_sendrequest_and_wait.isra.5+0x120/0x120 [smsmdtv]
 [<ffffffffa0ce020a>] ? list_add_locked+0xca/0x140 [smsmdtv]
 [<ffffffffa0ce13ca>] ? smscore_putbuffer+0x3a/0x40 [smsmdtv]
 [<ffffffffa0d107bc>] smsusb_submit_urb+0x2ec/0x4f0 [smsusb]
 [<ffffffffa0d10e36>] smsusb_onresponse+0x476/0x720 [smsusb]

Let's add a work queue to handle the bottom half, preventing this
problem.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] siano: firmware buffer is too small
Mauro Carvalho Chehab [Mon, 15 Feb 2016 15:56:26 +0000 (13:56 -0200)]
[media] siano: firmware buffer is too small

As pointed by KASAN:

BUG: KASAN: slab-out-of-bounds in memcpy+0x1d/0x40 at addr ffff880000038d8c
Read of size 128 by task systemd-udevd/2536
page:ffffea0000000800 count:1 mapcount:0 mapping:          (null) index:0x0 compound_mapcount: 0
flags: 0xffff8000004000(head)
page dumped because: kasan: bad access detected
CPU: 1 PID: 2536 Comm: systemd-udevd Not tainted 4.5.0-rc3+ #47
Hardware name:                  /NUC5i7RYB, BIOS RYBDWi35.86A.0350.2015.0812.1722 08/12/2015
  ffff880000038d8c ffff8803b0f1f1e8 ffffffff81933901 0000000000000080
  ffff8803b0f1f280 ffff8803b0f1f270 ffffffff815602c5 ffffffff8284cf93
  ffffffff822ddc00 0000000000000282 0000000000000001 ffff88009c7c6000
Call Trace:
  [<ffffffff81933901>] dump_stack+0x85/0xc4
  [<ffffffff815602c5>] kasan_report_error+0x525/0x550
  [<ffffffff815606e9>] kasan_report+0x39/0x40
  [<ffffffff8155f84d>] memcpy+0x1d/0x40
  [<ffffffffa120cb90>] smscore_set_device_mode+0xee0/0x2560 [smsmdtv]

Such error happens at the memcpy code below:

0x4bc0 is in smscore_set_device_mode (drivers/media/common/siano/smscoreapi.c:975).
970       sizeof(u32) + payload_size));
971
972 data_msg->mem_addr = mem_address;
973 memcpy(data_msg->payload, payload, payload_size);
974
975 rc = smscore_sendrequest_and_wait(coredev, data_msg,
976 data_msg->x_msg_header.msg_length,
977 &coredev->data_download_done);
978
979 payload += payload_size;

The problem is that the Siano driver uses a header to store the firmware,
with requires a few more bytes than allocated.

Tested with:
PCTV 77e (2013:0257)
Hauppauge WinTV MiniStick (2040:5510)

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years agoMerge branch 'fixes' into patchwork
Mauro Carvalho Chehab [Tue, 16 Feb 2016 11:20:45 +0000 (09:20 -0200)]
Merge branch 'fixes' into patchwork

Some macros were changed/removed at the material for v4.5. We need
to sync with those changes here, in order to avoid troubles.

* v4l_for_linus:
  [media] media.h: get rid of MEDIA_ENT_F_CONN_TEST
  [media] [for,v4.5] media.h: increase the spacing between function ranges
  [media] media: i2c/adp1653: probe: fix erroneous return value
  [media] media: davinci_vpfe: fix missing unlock on error in vpfe_prepare_pipeline()

8 years ago[media] media.h: get rid of MEDIA_ENT_F_CONN_TEST
Mauro Carvalho Chehab [Fri, 12 Feb 2016 17:44:31 +0000 (15:44 -0200)]
[media] media.h: get rid of MEDIA_ENT_F_CONN_TEST

Defining it as a connector was a bad idea. Remove it while it is
not too late.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] media.h: get rid of MEDIA_ENT_F_CONN_TEST
Mauro Carvalho Chehab [Fri, 12 Feb 2016 17:44:31 +0000 (15:44 -0200)]
[media] media.h: get rid of MEDIA_ENT_F_CONN_TEST

Defining it as a connector was a bad idea. Remove it while it is
not too late.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] [for,v4.5] media.h: increase the spacing between function ranges
Hans Verkuil [Thu, 11 Feb 2016 14:28:55 +0000 (12:28 -0200)]
[media] [for,v4.5] media.h: increase the spacing between function ranges

Each function range is quite narrow and especially for connectors this
will pose a problem. Increase the function ranges while we still can and
move the connector range to the end so that range is practically limitless.

[mchehab@osg.samsung.com: Rebased to apply at Linus tree]
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] tvp5150: replace MEDIA_ENT_F_CONN_TEST by a control
Mauro Carvalho Chehab [Fri, 12 Feb 2016 17:42:02 +0000 (15:42 -0200)]
[media] tvp5150: replace MEDIA_ENT_F_CONN_TEST by a control

MEDIA_ENT_F_CONN_TEST is not really a connector, it is actually
a signal generator. Also, as other drivers use the
V4L2_CID_TEST_PATTERN control for signal generators, let's change
the driver accordingly.

Tested with Terratec Grabster AV350.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] cx231xx: get rid of CX231XX_VMUX_DEBUG
Mauro Carvalho Chehab [Fri, 12 Feb 2016 11:17:14 +0000 (09:17 -0200)]
[media] cx231xx: get rid of CX231XX_VMUX_DEBUG

This macro is not used inside the driver. get rid of it.

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] au0828: get rid of AU0828_VMUX_DEBUG
Mauro Carvalho Chehab [Fri, 12 Feb 2016 11:15:41 +0000 (09:15 -0200)]
[media] au0828: get rid of AU0828_VMUX_DEBUG

This is not used on the driver. remove it.

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l2-mc: remove the unused sensor var
Mauro Carvalho Chehab [Fri, 12 Feb 2016 10:07:59 +0000 (08:07 -0200)]
[media] v4l2-mc: remove the unused sensor var

This fixes this warning:

v4l2-mc.c: In function 'v4l2_mc_create_media_graph':
v4l2-mc.c:60:69: warning: variable 'sensor' set but not used [-Wunused-but-set-variable]

We could solve it the other way: don't do the second loop for
webcams. However, that would fail if a chip would have two sensors
plugged. This is not the current case, but it doesn't hurt to be
future-safe here, specially since this code runs only once during
device probe. So, performance is not an issue here.

Reported-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] cx231xx: create connectors at the media graph
Mauro Carvalho Chehab [Fri, 12 Feb 2016 00:39:52 +0000 (22:39 -0200)]
[media] cx231xx: create connectors at the media graph

We need to add connectors to the cx231xx graph.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] cx231xx, em28xx: pass media_device to si2157
Mauro Carvalho Chehab [Fri, 12 Feb 2016 00:18:36 +0000 (22:18 -0200)]
[media] cx231xx, em28xx: pass media_device to si2157

As si2157 doesn't use the subdev, but has instead a binding
logic that doesn't have any core framework, we need to manually
pass the media_device struct via platform data on every place
it is called.

This fixes support for HVR-955Q when MC is enabled.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] si2157: register as a tuner entity
Mauro Carvalho Chehab [Thu, 11 Feb 2016 20:06:36 +0000 (18:06 -0200)]
[media] si2157: register as a tuner entity

As this tuner doesn't use the usual subdev interface, we need
to register it manually.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] cx231xx: use v4l2 core function to create the MC graph
Mauro Carvalho Chehab [Thu, 11 Feb 2016 19:31:48 +0000 (17:31 -0200)]
[media] cx231xx: use v4l2 core function to create the MC graph

Instead of having its own routine, use the one defined at the
core, as it is generic enough to handle the cx231xx usecases.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] em28xx-dvb: create RF connector on DVB-only mode
Mauro Carvalho Chehab [Thu, 11 Feb 2016 19:17:30 +0000 (17:17 -0200)]
[media] em28xx-dvb: create RF connector on DVB-only mode

When in analog mode, the RF connector will be created by
em28xx-video. However, when the device is in digital mode only,
the RF connector is not shown. In this case, let the DVB
core to create it for us.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] use v4l2_mc_usb_media_device_init() on most USB devices
Mauro Carvalho Chehab [Thu, 11 Feb 2016 17:35:07 +0000 (15:35 -0200)]
[media] use v4l2_mc_usb_media_device_init() on most USB devices

Except for the usbuvc driver (with has an embedded media_device
struct on it), the other drivers have a pointer to media_device.

On those drivers, replace their own implementation for the core
one. That warrants that those subdev drivers will fill the
media_device info the same way.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] allow overriding the driver name
Mauro Carvalho Chehab [Thu, 11 Feb 2016 16:24:23 +0000 (14:24 -0200)]
[media] allow overriding the driver name

On USB drivers, the dev struct is usually filled with the USB
device. That would mean that the name of the driver specified
by media_device.dev.driver.name would be "usb", instead of the
name of the actual driver that created the media entity.

Add an optional field at the internal struct to allow drivers
to override the driver name.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] rc-core: don't lock device at rc_register_device()
Mauro Carvalho Chehab [Thu, 11 Feb 2016 12:33:31 +0000 (10:33 -0200)]
[media] rc-core: don't lock device at rc_register_device()

The mutex lock at rc_register_device() was added by commit 08aeb7c9a42a
("[media] rc: add locking to fix register/show race").

It is meant to avoid race issues when trying to open a sysfs file while
the RC register didn't complete.

Adding a lock there causes troubles, as detected by the Kernel lock
debug instrumentation at the Kernel:

    ======================================================
    [ INFO: possible circular locking dependency detected ]
    4.5.0-rc3+ #46 Not tainted
    -------------------------------------------------------
    systemd-udevd/2681 is trying to acquire lock:
     (s_active#171){++++.+}, at: [<ffffffff8171a115>] kernfs_remove_by_name_ns+0x45/0xa0

    but task is already holding lock:
     (&dev->lock){+.+.+.}, at: [<ffffffffa0724def>] rc_register_device+0xb2f/0x1450 [rc_core]

    which lock already depends on the new lock.

    the existing dependency chain (in reverse order) is:

    -> #1 (&dev->lock){+.+.+.}:
           [<ffffffff8124817d>] lock_acquire+0x13d/0x320
           [<ffffffff822de966>] mutex_lock_nested+0xb6/0x860
           [<ffffffffa0721f2b>] show_protocols+0x3b/0x3f0 [rc_core]
           [<ffffffff81cdaba5>] dev_attr_show+0x45/0xc0
           [<ffffffff8171f1b3>] sysfs_kf_seq_show+0x203/0x3c0
           [<ffffffff8171a6a1>] kernfs_seq_show+0x121/0x1b0
           [<ffffffff81617c71>] seq_read+0x2f1/0x1160
           [<ffffffff8171c911>] kernfs_fop_read+0x321/0x460
           [<ffffffff815abc20>] __vfs_read+0xe0/0x3d0
           [<ffffffff815ae90e>] vfs_read+0xde/0x2d0
           [<ffffffff815b1d01>] SyS_read+0x111/0x230
           [<ffffffff822e8636>] entry_SYSCALL_64_fastpath+0x16/0x76

    -> #0 (s_active#171){++++.+}:
           [<ffffffff81244f24>] __lock_acquire+0x4304/0x5990
           [<ffffffff8124817d>] lock_acquire+0x13d/0x320
           [<ffffffff81717d3a>] __kernfs_remove+0x58a/0x810
           [<ffffffff8171a115>] kernfs_remove_by_name_ns+0x45/0xa0
           [<ffffffff81721592>] remove_files.isra.0+0x72/0x190
           [<ffffffff8172174b>] sysfs_remove_group+0x9b/0x150
           [<ffffffff81721854>] sysfs_remove_groups+0x54/0xa0
           [<ffffffff81cd97d0>] device_remove_attrs+0xb0/0x140
           [<ffffffff81cdb27c>] device_del+0x38c/0x6b0
           [<ffffffffa0724b8b>] rc_register_device+0x8cb/0x1450 [rc_core]
           [<ffffffffa1326a7b>] dvb_usb_remote_init+0x66b/0x14d0 [dvb_usb]
           [<ffffffffa1321c81>] dvb_usb_device_init+0xf21/0x1860 [dvb_usb]
           [<ffffffffa13517dc>] dib0700_probe+0x14c/0x410 [dvb_usb_dib0700]
           [<ffffffff81dbb1dd>] usb_probe_interface+0x45d/0x940
           [<ffffffff81ce7e7a>] driver_probe_device+0x21a/0xc30
           [<ffffffff81ce89b1>] __driver_attach+0x121/0x160
           [<ffffffff81ce21bf>] bus_for_each_dev+0x11f/0x1a0
           [<ffffffff81ce6cdd>] driver_attach+0x3d/0x50
           [<ffffffff81ce5df9>] bus_add_driver+0x4c9/0x770
           [<ffffffff81cea39c>] driver_register+0x18c/0x3b0
           [<ffffffff81db6e98>] usb_register_driver+0x1f8/0x440
           [<ffffffffa074001e>] dib0700_driver_init+0x1e/0x1000 [dvb_usb_dib0700]
           [<ffffffff810021b1>] do_one_initcall+0x141/0x300
           [<ffffffff8144d8eb>] do_init_module+0x1d0/0x5ad
           [<ffffffff812f27b6>] load_module+0x6666/0x9ba0
           [<ffffffff812f5fe8>] SyS_finit_module+0x108/0x130
           [<ffffffff822e8636>] entry_SYSCALL_64_fastpath+0x16/0x76

    other info that might help us debug this:

     Possible unsafe locking scenario:

           CPU0                    CPU1
           ----                    ----
      lock(&dev->lock);
                                   lock(s_active#171);
                                   lock(&dev->lock);
      lock(s_active#171);

     *** DEADLOCK ***

    3 locks held by systemd-udevd/2681:
     #0:  (&dev->mutex){......}, at: [<ffffffff81ce8933>] __driver_attach+0xa3/0x160
     #1:  (&dev->mutex){......}, at: [<ffffffff81ce8941>] __driver_attach+0xb1/0x160
     #2:  (&dev->lock){+.+.+.}, at: [<ffffffffa0724def>] rc_register_device+0xb2f/0x1450 [rc_core]

In this specific case, some error happened during device init,
causing IR to be disabled.

Let's fix it by adding a var that will tell when the device is
initialized. Any calls before that will return a -EINVAL.

That should prevent the race issues.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l2-mc: add a routine to create USB media_device
Mauro Carvalho Chehab [Thu, 11 Feb 2016 17:21:46 +0000 (15:21 -0200)]
[media] v4l2-mc: add a routine to create USB media_device

Instead of copying exactly the same code on all USB devices,
add an ancillary routine that will create and fill the
struct media_device with the values imported from the USB
device.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l2-mc.h: prevent it for being included twice
Mauro Carvalho Chehab [Fri, 12 Feb 2016 09:35:44 +0000 (07:35 -0200)]
[media] v4l2-mc.h: prevent it for being included twice

Don't let it be included twice, to avoid compiler issues.

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] tvp5150: add HW input connectors support
Javier Martinez Canillas [Fri, 5 Feb 2016 19:09:58 +0000 (17:09 -0200)]
[media] tvp5150: add HW input connectors support

The tvp5150 decoder has different input connectors. The actual list of
HW inputs depends on the device version but all have at least these 3:

1) Composite0
2) Composite1
3) S-Video

and some variants have a 4th possible input connector:

4) Signal generator

The driver currently uses the .s_routing callback to switch the input
connector but since these are separate HW blocks, it's better to use
media entities to represent the input connectors and their source pads
linked with the decoder's sink pad.

This allows user-space to use the MEDIA_IOC_SETUP_LINK ioctl to choose
the input connector. For example using the media-ctl user-space tool:

$ media-ctl -r -l '"Composite0":0->"tvp5150 1-005c":0[1]'

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] tvp5150: document input connectors DT bindings
Javier Martinez Canillas [Fri, 5 Feb 2016 19:09:57 +0000 (17:09 -0200)]
[media] tvp5150: document input connectors DT bindings

The tvp5150 decoder has different input connectors so extend the device
tree binding to allow device tree source files to define the connectors
that are available on a given board.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] tvp5150: move input definition header to dt-bindings
Javier Martinez Canillas [Fri, 5 Feb 2016 19:09:56 +0000 (17:09 -0200)]
[media] tvp5150: move input definition header to dt-bindings

Add a header file for the tvp5150 input connectors constants that
can be shared between the driver and Device Tree source files.

[mchehab@osg.samsung.com: rename tvp5150.h also at em28xx-cards.c]
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] tvp5150: add internal signal generator to HW input list
Javier Martinez Canillas [Fri, 5 Feb 2016 19:09:55 +0000 (17:09 -0200)]
[media] tvp5150: add internal signal generator to HW input list

Some tvp5150 variants, have an internal generator that can generate a
black screen output. Since this is a HW block, it should be in the HW
inputs list.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] tvp5150: store dev id and rom version
Javier Martinez Canillas [Fri, 5 Feb 2016 19:09:54 +0000 (17:09 -0200)]
[media] tvp5150: store dev id and rom version

Not all tvp5150 variants support the same, for example some have an
internal signal generator that can output a black screen.

So the device id and rom version have to be stored in the driver's
state to know what variant is a given device.

While being there, remove some redundant comments about the device
version since there is already calls to v4l2_info() with that info.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] tvp5150: put endpoint node on error
Javier Martinez Canillas [Fri, 5 Feb 2016 19:09:53 +0000 (17:09 -0200)]
[media] tvp5150: put endpoint node on error

If the parallel mbus configuration is not correct, the endpoint
device node isn't currently put again in the error path. Fix it.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l2-async: call registered_async after subdev registration
Javier Martinez Canillas [Fri, 5 Feb 2016 19:09:52 +0000 (17:09 -0200)]
[media] v4l2-async: call registered_async after subdev registration

V4L2 sub-devices might need to do initialization that depends on being
registered with a V4L2 device. As an example, sub-devices with Media
Controller support may need to register entities and create pad links.

Execute the registered_async callback after the sub-device has been
registered with the V4L2 device so the driver can do any needed init.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l2-subdev: add registered_async subdev core operation
Javier Martinez Canillas [Fri, 5 Feb 2016 19:09:51 +0000 (17:09 -0200)]
[media] v4l2-subdev: add registered_async subdev core operation

V4L2 sub-devices that are registered asynchronously have no way to know
when they have been registration with a V4L2 device but they might need
to take some action after this.

So let's add a callback that can be executed by the V4L2 async core to
allow sub-devices drivers to do any needed initialization that depends
on the registration.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] tea575x: convert to library
Andy Shevchenko [Fri, 18 Dec 2015 20:32:00 +0000 (18:32 -0200)]
[media] tea575x: convert to library

The module is used only as a library for now. Remove module init and exit
routines to show this.

While here, remove FSF snail address and attach EXPORT_SYMBOL() macros to
corresponding functions.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l2-ctrls: remove unclaimed v4l2_ctrl_add_ctrl() interface
Vladimir Zapolskiy [Tue, 3 Nov 2015 23:50:23 +0000 (21:50 -0200)]
[media] v4l2-ctrls: remove unclaimed v4l2_ctrl_add_ctrl() interface

v4l2_ctrl_add_ctrl() interface has no users since its introduction in
commit 0996517cf8ea ("V4L/DVB: v4l2: Add new control handling framework")
and its functionality is covered by v4l2_ctrl_new() and derivative
interfaces, so it is safe to remove the interface from the kernel.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] adv7511: add support to for the content type control
Hans Verkuil [Wed, 27 Jan 2016 13:31:43 +0000 (11:31 -0200)]
[media] adv7511: add support to for the content type control

This transmitter now supports configuring the IT content type of the incoming
video.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] adv7842: add support to for the content type control
Hans Verkuil [Wed, 27 Jan 2016 13:31:42 +0000 (11:31 -0200)]
[media] adv7842: add support to for the content type control

This receiver now supports reading the IT content type of the incoming
video.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] adv7604: add support to for the content type control
Hans Verkuil [Wed, 27 Jan 2016 13:31:41 +0000 (11:31 -0200)]
[media] adv7604: add support to for the content type control

This receiver now supports reading the IT content type of the incoming
video.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] DocBook media: document the new V4L2_CID_DV_RX/TX_IT_CONTENT_TYPE controls
Hans Verkuil [Wed, 27 Jan 2016 13:31:40 +0000 (11:31 -0200)]
[media] DocBook media: document the new V4L2_CID_DV_RX/TX_IT_CONTENT_TYPE controls

Document these new controls.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l2-ctrls: add V4L2_CID_DV_RX/TX_IT_CONTENT_TYPE controls
Hans Verkuil [Wed, 27 Jan 2016 13:31:39 +0000 (11:31 -0200)]
[media] v4l2-ctrls: add V4L2_CID_DV_RX/TX_IT_CONTENT_TYPE controls

HDMI and DisplayPort both support IT Content Type information that
tells the receiver what type of material the video is, graphics such
as from a PC desktop, Photo, Cinema or Game (low-latency).

This patch adds controls for receivers and transmitters to get/set
this information.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] media: i2c: adv7604: Use v4l2-dv-timings helpers
Jean-Michel Hautbois [Wed, 27 Jan 2016 11:04:50 +0000 (09:04 -0200)]
[media] media: i2c: adv7604: Use v4l2-dv-timings helpers

Use the helper to enumerate and set DV timings instead of a custom code.
This will ease debugging too, as it is consistent with other drivers.

Signed-off-by: Jean-Michel Hautbois <jean-michel.hautbois@veo-labs.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] media: platform: vivid: vivid-osd: Remove unnecessary cast to kfree
Amitoj Kaur Chawla [Tue, 26 Jan 2016 18:39:14 +0000 (16:39 -0200)]
[media] media: platform: vivid: vivid-osd: Remove unnecessary cast to kfree

Remove an unnecassary cast in the argument to kfree.

Found using Coccinelle. The semantic patch used to find this is as follows:

//<smpl>
@@
type T;
expression *f;
@@

- kfree((T *)(f));
+ kfree(f);
//</smpl>

Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] V4L: ov9650: fix control clusters
Guennadi Liakhovetski [Tue, 19 Jan 2016 11:12:48 +0000 (09:12 -0200)]
[media] V4L: ov9650: fix control clusters

Auto-gain and auto-exposure clusters in the ov9650 driver have both a
size of 2, not 3 controls. Fix this.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] media: i2c/adp1653: probe: fix erroneous return value
Anton Protopopov [Sun, 7 Feb 2016 04:27:32 +0000 (02:27 -0200)]
[media] media: i2c/adp1653: probe: fix erroneous return value

The adp1653_probe() function may return positive value EINVAL
which is obviously wrong.

Signed-off-by: Anton Protopopov <a.s.protopopov@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] media: davinci_vpfe: fix missing unlock on error in vpfe_prepare_pipeline()
Wei Yongjun [Fri, 5 Feb 2016 13:52:00 +0000 (11:52 -0200)]
[media] media: davinci_vpfe: fix missing unlock on error in vpfe_prepare_pipeline()

Add the missing unlock before return from function
vpfe_prepare_pipeline() in the error handling case.

video->lock is lock/unlock in function vpfe_open(),
and no need to unlock it here, so remove unlock
video->lock.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] au0828: move V4L2-specific code to au0828-core.c
Mauro Carvalho Chehab [Tue, 9 Feb 2016 17:53:39 +0000 (15:53 -0200)]
[media] au0828: move V4L2-specific code to au0828-core.c

Instead of having lots of #ifdefs inside au0828-core due to
V4L2, move the dependencies to au0828-video.c. That allows
removing all those ifdefs, as au0828-video is only compiled if
CONFIG_VIDEO_AU0828_V4L2.

This fixes the following warnings reported by Kbuild test
with a random config with au0828 enabled, but V4L2 is disabled.

All warnings (new ones prefixed by >>):

   drivers/media/usb/au0828/au0828-core.c: In function 'au0828_usb_probe':
>> drivers/media/usb/au0828/au0828-core.c:463:1: warning: label 'done' defined but not used [-Wunused-label]
    done:
    ^
   drivers/media/usb/au0828/au0828-core.c: At top level:
   drivers/media/usb/au0828/au0828-core.c:250:12: warning: 'au0828_create_media_graph' defined but not used [-Wunused-function]
    static int au0828_create_media_graph(struct au0828_dev *dev)
               ^

Tested with a WinTV HVR 950Q (USB ID: 2040:7200)

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] au0828: only create V4L2 graph if V4L2 is registered
Mauro Carvalho Chehab [Tue, 9 Feb 2016 15:46:05 +0000 (13:46 -0200)]
[media] au0828: only create V4L2 graph if V4L2 is registered

It doesn't make sense to try to create the analog TV graph,
if the device fails to register at V4L2, or if it doesn't have
V4L2 support.

Thanks to Shuah for pointing this issue.

Reported-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] saa7134: add media controller support
Mauro Carvalho Chehab [Fri, 5 Feb 2016 10:33:04 +0000 (08:33 -0200)]
[media] saa7134: add media controller support

Register saa7134 at the media controller core and provide
support for both analog TV and DVB.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l2-mc: add an ancillary routine for PCI-based MC
Mauro Carvalho Chehab [Fri, 5 Feb 2016 15:16:18 +0000 (13:16 -0200)]
[media] v4l2-mc: add an ancillary routine for PCI-based MC

Instead of copyping the same code on all PCI devices that
would have a media controller, add a core ancillary routine.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] saa7134: Get rid of struct saa7134_input.tv field
Mauro Carvalho Chehab [Fri, 5 Feb 2016 12:37:18 +0000 (10:37 -0200)]
[media] saa7134: Get rid of struct saa7134_input.tv field

The saa7134_input.tv field was used to indicate if an input had
a RF signal for TV input. This is not needed anymore, as the input
type can be checked directly by the driver.

Also, due to a past bug when setting the TV standard at the
demod, all inputs should have this field set, with is wrong.

This reduces the size of the saa7134_boards by about 8KB,
on i386 (and probably twice on 64 bits), with is a nice
colateral effect:

   text    data     bss     dec     hex filename
 241047  136831   66356  444234   6c74a drivers/media/pci/saa7134/saa7134.o.old
 240851  128895   66292  436038   6a746 drivers/media/pci/saa7134/saa7134.o

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] saa7134: unconditionlally update TV standard at demod
Mauro Carvalho Chehab [Fri, 5 Feb 2016 13:14:05 +0000 (11:14 -0200)]
[media] saa7134: unconditionlally update TV standard at demod

It doesn't make any sense to only update the TV standard for TV,
as composite and S-Video inputs also need it.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] saa7134: use input types, instead of hardcoding strings
Mauro Carvalho Chehab [Fri, 5 Feb 2016 12:24:37 +0000 (10:24 -0200)]
[media] saa7134: use input types, instead of hardcoding strings

Currently, the saa7134 driver is hardcoding input names on each
board entry. More modern drivers define, instead, an enum for each
input type.

While the current logic works, it adds extra complexity at the driver,
as it needs to discover the type of the input using some euristics.

Instead, let's standardize the input types and use a type, instead of
a name on all places.

That will allow further patches to properly report the input type
via VIDIOC_G_INPUT and to remove an extra field from the struct to
identify if the input is for TV.

Please notice that several boards define an input for receiving composite
signals via a S-Video connector. The name of such input was inconsistent,
so this patch cleans it and make it to be properly reported the
same way for all boards.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] add media controller support to videobuf2-dvb
Mauro Carvalho Chehab [Fri, 5 Feb 2016 10:35:50 +0000 (08:35 -0200)]
[media] add media controller support to videobuf2-dvb

Allow devices to pass an optional argument to register the DVB
driver at the media controller.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] em2xx: use v4l2_mc_create_media_graph()
Mauro Carvalho Chehab [Fri, 5 Feb 2016 09:08:25 +0000 (07:08 -0200)]
[media] em2xx: use v4l2_mc_create_media_graph()

Now that the core has a function to create the media graph,
we can get rid of the specialized code at em28xx.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years ago[media] v4l2-mc: add a generic function to create the media graph
Mauro Carvalho Chehab [Fri, 5 Feb 2016 09:02:43 +0000 (07:02 -0200)]
[media] v4l2-mc: add a generic function to create the media graph

The em28xx_v4l2_create_media_graph() is almost generic enough to
be at the core, as an ancillary function. Make it even more generic,
by getting rid of em28xx-specific code, relying only at the
media_device, in order to discover all entities found on PC-customer's
hardware and add it at the V4L2 core.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
8 years agoMerge tag 'v4.5-rc3' into patchwork
Mauro Carvalho Chehab [Tue, 9 Feb 2016 10:56:42 +0000 (08:56 -0200)]
Merge tag 'v4.5-rc3' into patchwork

Linux 4.5-rc3

* tag 'v4.5-rc3': (644 commits)
  Linux 4.5-rc3
  epoll: restrict EPOLLEXCLUSIVE to POLLIN and POLLOUT
  radix-tree: fix oops after radix_tree_iter_retry
  MAINTAINERS: trim the file triggers for ABI/API
  dax: dirty inode only if required
  thp: make deferred_split_scan() work again
  mm: replace vma_lock_anon_vma with anon_vma_lock_read/write
  ocfs2/dlm: clear refmap bit of recovery lock while doing local recovery cleanup
  um: asm/page.h: remove the pte_high member from struct pte_t
  mm, hugetlb: don't require CMA for runtime gigantic pages
  mm/hugetlb: fix gigantic page initialization/allocation
  mm: downgrade VM_BUG in isolate_lru_page() to warning
  mempolicy: do not try to queue pages from !vma_migratable()
  mm, vmstat: fix wrong WQ sleep when memory reclaim doesn't make any progress
  vmstat: make vmstat_update deferrable
  mm, vmstat: make quiet_vmstat lighter
  mm/Kconfig: correct description of DEFERRED_STRUCT_PAGE_INIT
  memblock: don't mark memblock_phys_mem_size() as __init
  dump_stack: avoid potential deadlocks
  mm: validate_mm browse_rb SMP race condition
  ...

8 years agoLinux 4.5-rc3
Linus Torvalds [Sun, 7 Feb 2016 23:38:30 +0000 (15:38 -0800)]
Linux 4.5-rc3

8 years agoMerge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Linus Torvalds [Sun, 7 Feb 2016 23:23:20 +0000 (15:23 -0800)]
Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "The first real batch of fixes for this release cycle, so there are a
  few more than usual.

  Most of these are fixes and tweaks to board support (DT bugfixes,
  etc).  I've also picked up a couple of small cleanups that seemed
  innocent enough that there was little reason to wait (const/
  __initconst and Kconfig deps).

  Quite a bit of the changes on OMAP were due to fixes to no longer
  write to rodata from assembly when ARM_KERNMEM_PERMS was enabled, but
  there were also other fixes.

  Kirkwood had a bunch of gpio fixes for some boards.  OMAP had RTC
  fixes on OMAP5, and Nomadik had changes to MMC parameters in DT.

  All in all, mostly the usual mix of various fixes"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (46 commits)
  ARM: multi_v7_defconfig: enable DW_WATCHDOG
  ARM: nomadik: fix up SD/MMC DT settings
  ARM64: tegra: Add chosen node for tegra132 norrin
  ARM: realview: use "depends on" instead of "if" after prompt
  ARM: tango: use "depends on" instead of "if" after prompt
  ARM: tango: use const and __initconst for smp_operations
  ARM: realview: use const and __initconst for smp_operations
  bus: uniphier-system-bus: revive tristate prompt
  arm64: dts: Add missing DMA Abort interrupt to Juno
  bus: vexpress-config: Add missing of_node_put
  ARM: dts: am57xx: sbc-am57x: correct Eth PHY settings
  ARM: dts: am57xx: cl-som-am57x: fix CPSW EMAC pinmux
  ARM: dts: am57xx: sbc-am57x: fix UART3 pinmux
  ARM: dts: am57xx: cl-som-am57x: update SPI Flash frequency
  ARM: dts: am57xx: cl-som-am57x: set HOST mode for USB2
  ARM: dts: am57xx: sbc-am57x: fix SB-SOM EEPROM I2C address
  ARM: dts: LogicPD Torpedo: Revert Duplicative Entries
  ARM: dts: am437x: pixcir_tangoc: use correct flags for irq types
  ARM: dts: am4372: fix irq type for arm twd and global timer
  ARM: dts: at91: sama5d4 xplained: fix phy0 IRQ type
  ...

8 years agoMerge branch 'mailbox-devel' of git://git.linaro.org/landing-teams/working/fujitsu...
Linus Torvalds [Sun, 7 Feb 2016 23:17:47 +0000 (15:17 -0800)]
Merge branch 'mailbox-devel' of git://git.linaro.org/landing-teams/working/fujitsu/integration

Pull mailbox fixes from Jassi Brar:

 - fix getting element from the pcc-channels array by simply indexing
   into it

 - prevent building mailbox-test driver for archs that don't have IOMEM

* 'mailbox-devel' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
  mailbox: Fix dependencies for !HAS_IOMEM archs
  mailbox: pcc: fix channel calculation in get_pcc_channel()

8 years agoMerge tag 'usb-4.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Linus Torvalds [Sun, 7 Feb 2016 06:14:46 +0000 (22:14 -0800)]
Merge tag 'usb-4.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are some USB fixes for 4.5-rc3.

  The usual, xhci fixes for reported issues, combined with some small
  gadget driver fixes, and a MAINTAINERS file update.  All have been in
  linux-next with no reported issues"

* tag 'usb-4.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  xhci: harden xhci_find_next_ext_cap against device removal
  xhci: Fix list corruption in urb dequeue at host removal
  usb: host: xhci-plat: fix NULL pointer in probe for device tree case
  usb: xhci-mtk: fix AHB bus hang up caused by roothubs polling
  usb: xhci-mtk: fix bpkts value of LS/HS periodic eps not behind TT
  usb: xhci: apply XHCI_PME_STUCK_QUIRK to Intel Broxton-M platforms
  usb: xhci: set SSIC port unused only if xhci_suspend succeeds
  usb: xhci: add a quirk bit for ssic port unused
  usb: xhci: handle both SSIC ports in PME stuck quirk
  usb: dwc3: gadget: set the OTG flag in dwc3 gadget driver.
  Revert "xhci: don't finish a TD if we get a short-transfer event mid TD"
  MAINTAINERS: fix my email address
  usb: dwc2: Fix probe problem on bcm2835
  Revert "usb: dwc2: Move reset into dwc2_get_hwparams()"
  usb: musb: ux500: Fix NULL pointer dereference at system PM
  usb: phy: mxs: declare variable with initialized value
  usb: phy: msm: fix error handling in probe.

8 years agoMerge tag 'staging-4.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
Linus Torvalds [Sun, 7 Feb 2016 06:13:16 +0000 (22:13 -0800)]
Merge tag 'staging-4.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging and IIO driver fixes from Greg KH:
 "Here are some IIO and staging driver fixes for 4.5-rc3.

  All of them, except one, are for IIO drivers, and one is for a speakup
  driver fix caused by some earlier patches, to resolve a reported build
  failure"

* tag 'staging-4.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  Staging: speakup: Fix allyesconfig build on mn10300
  iio: dht11: Use boottime
  iio: ade7753: avoid uninitialized data
  iio: pressure: mpl115: fix temperature offset sign
  iio: imu: Fix dependencies for !HAS_IOMEM archs
  staging: iio: Fix dependencies for !HAS_IOMEM archs
  iio: adc: Fix dependencies for !HAS_IOMEM archs
  iio: inkern: fix a NULL dereference on error
  iio:adc:ti_am335x_adc Fix buffered mode by identifying as software buffer.
  iio: light: acpi-als: Report data as processed
  iio: dac: mcp4725: set iio name property in sysfs
  iio: add HAS_IOMEM dependency to VF610_ADC
  iio: add IIO_TRIGGER dependency to STK8BA50
  iio: proximity: lidar: correct return value
  iio-light: Use a signed return type for ltr501_match_samp_freq()

8 years agoMerge branch 'akpm' (patches from Andrew)
Linus Torvalds [Sat, 6 Feb 2016 04:20:07 +0000 (20:20 -0800)]
Merge branch 'akpm' (patches from Andrew)

Merge fixes from Andrew Morton:
 "22 fixes"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (22 commits)
  epoll: restrict EPOLLEXCLUSIVE to POLLIN and POLLOUT
  radix-tree: fix oops after radix_tree_iter_retry
  MAINTAINERS: trim the file triggers for ABI/API
  dax: dirty inode only if required
  thp: make deferred_split_scan() work again
  mm: replace vma_lock_anon_vma with anon_vma_lock_read/write
  ocfs2/dlm: clear refmap bit of recovery lock while doing local recovery cleanup
  um: asm/page.h: remove the pte_high member from struct pte_t
  mm, hugetlb: don't require CMA for runtime gigantic pages
  mm/hugetlb: fix gigantic page initialization/allocation
  mm: downgrade VM_BUG in isolate_lru_page() to warning
  mempolicy: do not try to queue pages from !vma_migratable()
  mm, vmstat: fix wrong WQ sleep when memory reclaim doesn't make any progress
  vmstat: make vmstat_update deferrable
  mm, vmstat: make quiet_vmstat lighter
  mm/Kconfig: correct description of DEFERRED_STRUCT_PAGE_INIT
  memblock: don't mark memblock_phys_mem_size() as __init
  dump_stack: avoid potential deadlocks
  mm: validate_mm browse_rb SMP race condition
  m32r: fix build failure due to SMP and MMU
  ...

8 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph...
Linus Torvalds [Sat, 6 Feb 2016 03:52:57 +0000 (19:52 -0800)]
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client

Pull Ceph fixes from Sage Weil:
 "We have a few wire protocol compatibility fixes, ports of a few recent
  CRUSH mapping changes, and a couple error path fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
  libceph: MOSDOpReply v7 encoding
  libceph: advertise support for TUNABLES5
  crush: decode and initialize chooseleaf_stable
  crush: add chooseleaf_stable tunable
  crush: ensure take bucket value is valid
  crush: ensure bucket id is valid before indexing buckets array
  ceph: fix snap context leak in error path
  ceph: checking for IS_ERR instead of NULL