]> git.karo-electronics.de Git - karo-tx-linux.git/log
karo-tx-linux.git
13 years agoMerge branch 'topic/misc' into for-next
Takashi Iwai [Mon, 15 Aug 2011 11:37:41 +0000 (13:37 +0200)]
Merge branch 'topic/misc' into for-next

13 years agoALSA: hdspm - Simplify with snd_pcm_hw_constraint_pow2()
Takashi Iwai [Mon, 15 Aug 2011 08:45:42 +0000 (10:45 +0200)]
ALSA: hdspm - Simplify with snd_pcm_hw_constraint_pow2()

Refactoring the code using snd_pcm_hw_constraint_pow2() helper function.

Tested-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hdspm - Add missing KNOT flag for AES32 rate restriction
Takashi Iwai [Mon, 15 Aug 2011 08:42:23 +0000 (10:42 +0200)]
ALSA: hdspm - Add missing KNOT flag for AES32 rate restriction

AES32 supports the non-standard 128kHZ, and this is enabled only when
SNDRV_PCM_RATE_KNOT is set in hw.rates field.

Tested-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hdspm - Correct max buffer size limit
Takashi Iwai [Mon, 15 Aug 2011 08:40:59 +0000 (10:40 +0200)]
ALSA: hdspm - Correct max buffer size limit

Some modesl can support up to 8192 frames per period.

Tested-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: virtuoso: fix Essence ST(X) S/PDIF input
Clemens Ladisch [Sat, 18 Jun 2011 21:05:00 +0000 (23:05 +0200)]
ALSA: virtuoso: fix Essence ST(X) S/PDIF input

On the Xonar Essence ST/STX, the connector J14 has been confirmed to be
a digital input, so enable it in the driver.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: isight: remove superfluous field
Clemens Ladisch [Sun, 19 Jun 2011 10:10:43 +0000 (12:10 +0200)]
ALSA: isight: remove superfluous field

Remove a field that is not used at all.  This remained from
earlier tests, but the current driver has decided not to handle
iris notifications.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoMerge branch 'fix/misc' into for-next
Takashi Iwai [Mon, 15 Aug 2011 08:27:32 +0000 (10:27 +0200)]
Merge branch 'fix/misc' into for-next

13 years agoMerge branch 'topic/misc' into for-next
Takashi Iwai [Mon, 15 Aug 2011 08:27:29 +0000 (10:27 +0200)]
Merge branch 'topic/misc' into for-next

13 years agoALSA: ac97: Add HP Compaq dc5100 SFF(PT003AW) to Headphone Jack Sense whitelist
Daniel T Chen [Mon, 15 Aug 2011 02:43:01 +0000 (22:43 -0400)]
ALSA: ac97: Add HP Compaq dc5100 SFF(PT003AW) to Headphone Jack Sense whitelist

BugLink: https://bugs.launchpad.net/bugs/826081
The original reporter needs 'Headphone Jack Sense' enabled to have
audible audio, so add his PCI SSID to the whitelist.

Reported-and-tested-by: Muhammad Khurram Khan
Cc: <stable@kernel.org>
Signed-off-by: Daniel T Chen <crimsun@ubuntu.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hdspm - Enable 32 samples/period on RME RayDAT/AIO
Adrian Knoth [Sun, 14 Aug 2011 22:22:54 +0000 (00:22 +0200)]
ALSA: hdspm - Enable 32 samples/period on RME RayDAT/AIO

Newer RME cards like RayDAT and AIO support 32 samples per period. This
value is encoded as {1,1,1} in the HDSP_LatencyMask bits in the control
register.

Since {1,1,1} is also the representation for 8192 samples/period on
older RME cards, we have to special case 32 samples and 32768 bytes
according to the actual card.

Signed-off-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hdspm - Introduce hdspm_get_latency() to harmonize latency calculation
Adrian Knoth [Sun, 14 Aug 2011 22:22:53 +0000 (00:22 +0200)]
ALSA: hdspm - Introduce hdspm_get_latency() to harmonize latency calculation

Currently, hdspm_decode_latency is called several times, violating the
DRY principle. Given that we need to distinguish between old and new
cards when decoding the latency bits in the control register, introduce
hdspm_get_latency() to provide the required functionality.

Signed-off-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hdspm - Reorder period sizes according to their bit representation
Adrian Knoth [Sun, 14 Aug 2011 22:22:52 +0000 (00:22 +0200)]
ALSA: hdspm - Reorder period sizes according to their bit representation

On newer RME cards like RayDAT and AIO, the 8192 samples per period size
are no longer supported. Instead, setting all three bits of
HDSP_LatencyMask to one ({1,1,1}) now corresponds to 32 samples per
period.

To make this more obvious to future developers, let's reorder the array
according to their bit representation, starting at 64 ({0,0,0}) up to
4096 ({1,1,0}) and finally 32 ({1,1,1}).

Note that this patch doesn't change semantics.

Signed-off-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hdspm - Set period_bytes_min to 32 * 4 for new RME cards
Adrian Knoth [Sun, 14 Aug 2011 22:22:51 +0000 (00:22 +0200)]
ALSA: hdspm - Set period_bytes_min to 32 * 4 for new RME cards

On newer RME cards like RayDAT and AIO, the lower bound is 32 samples
per period in contrast to 64 samples as seen on older cards.

We hence lower period_bytes_min to 32 * 4. Four bytes per sample.

Signed-off-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hdspm - Allow for 8192 period size on RME MADI and AES cards
Adrian Knoth [Sun, 14 Aug 2011 22:22:50 +0000 (00:22 +0200)]
ALSA: hdspm - Allow for 8192 period size on RME MADI and AES cards

Older RME cards like MADI and AES support period sizes of 8192 samples.
The original hdspm driver already featured this value, apparently, it
was lost during the rewrite.

Signed-off-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoMerge branch 'fix/misc' into for-next
Takashi Iwai [Sun, 14 Aug 2011 16:11:27 +0000 (18:11 +0200)]
Merge branch 'fix/misc' into for-next

13 years agoALSA: snd_usb_caiaq: track submitted output urbs
Daniel Mack [Sun, 14 Aug 2011 09:31:16 +0000 (11:31 +0200)]
ALSA: snd_usb_caiaq: track submitted output urbs

The snd_usb_caiaq driver currently assumes that output urbs are serviced
in time and doesn't track when and whether they are given back by the
USB core. That usually works fine, but due to temporary limitations of
the XHCI stack, we faced that urbs were submitted more than once with
this approach.

As it's no good practice to fire and forget urbs anyway, this patch
introduces a proper bit mask to track which requests have been submitted
and given back.

That alone however doesn't make the driver work in case the host
controller is broken and doesn't give back urbs at all, and the output
stream will stop once all pre-allocated output urbs are consumed. But
it does prevent crashes of the controller stack in such cases.

See http://bugzilla.kernel.org/show_bug.cgi?id=40702 for more details.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Reported-and-tested-by: Matej Laitl <matej@laitl.cz>
Cc: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoMerge branch 'topic/asoc' into for-next
Takashi Iwai [Fri, 12 Aug 2011 17:49:31 +0000 (19:49 +0200)]
Merge branch 'topic/asoc' into for-next

13 years agoMerge branch 'topic/hda' into for-next
Takashi Iwai [Fri, 12 Aug 2011 17:49:26 +0000 (19:49 +0200)]
Merge branch 'topic/hda' into for-next

13 years agoMerge branch 'fix/asoc' into for-linus
Takashi Iwai [Fri, 12 Aug 2011 16:26:38 +0000 (18:26 +0200)]
Merge branch 'fix/asoc' into for-linus

13 years agoMerge branch 'fix/asoc' into for-next
Takashi Iwai [Fri, 12 Aug 2011 16:23:45 +0000 (18:23 +0200)]
Merge branch 'fix/asoc' into for-next

13 years agoASoC: Fix compile warning in wm8750.c
Takashi Iwai [Fri, 12 Aug 2011 16:22:10 +0000 (18:22 +0200)]
ASoC: Fix compile warning in wm8750.c

sound/soc/codecs/wm8750.c:784:2: warning: missing braces around initializer
sound/soc/codecs/wm8750.c:784:2: warning: (near initialization for ‘wm8750_spi_ids[2].name’)

It's because struct spi_device_id.name is a char array, not a pointer,
while the driver initializes explicitly with 0.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoASoC: Add bitfield definitions for WM8958 MICBIAS registers
Mark Brown [Wed, 10 Aug 2011 10:25:40 +0000 (19:25 +0900)]
ASoC: Add bitfield definitions for WM8958 MICBIAS registers

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
13 years agoASoC: soc-io: Fix CONFIG_REGMAP_I2C/SPI guards to support regmap modules
Stephen Warren [Thu, 11 Aug 2011 17:59:11 +0000 (11:59 -0600)]
ASoC: soc-io: Fix CONFIG_REGMAP_I2C/SPI guards to support regmap modules

When CONFIG_REGMAP_I2C/SPI are m, CONFIG_REGMAP_I2C_MODULE is set in the
pre-processor instead of CONFIG_REGMAP_I2C. This removes SND_SOC_I2C as a
valid option for snd_soc_codec_set_cache_io()'s control parameter, and
causes any ASoC regmap-using codec built as a module to fail to initialize.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
13 years agoASoC: Allow userspace control of Speyside headphone output
Mark Brown [Thu, 4 Aug 2011 09:13:45 +0000 (18:13 +0900)]
ASoC: Allow userspace control of Speyside headphone output

In order to facilitate the widest range of use cases (especially things
like speakerphone) allow the headphone output to be enabled and disabled
by the application layer.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
13 years agoMerge branch 'for-3.1' into for-3.2
Mark Brown [Fri, 12 Aug 2011 02:48:29 +0000 (11:48 +0900)]
Merge branch 'for-3.1' into for-3.2

13 years agoASoC: omap: Update e-mail address of Jarkko Nikula
Jarkko Nikula [Thu, 11 Aug 2011 12:44:57 +0000 (15:44 +0300)]
ASoC: omap: Update e-mail address of Jarkko Nikula

My gmail account got disabled and I'm not going to reopen it.

Signed-off-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
13 years agoASoC: sgtl5000: fix module device table type for sgtl5000_dt_ids
Axel Lin [Thu, 11 Aug 2011 14:19:16 +0000 (22:19 +0800)]
ASoC: sgtl5000: fix module device table type for sgtl5000_dt_ids

The module device table for of_device_id should use "of" type.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
13 years agoASoC: SAMSUNG: Add I2S0 internal dma driver
Sangbeom Kim [Wed, 20 Jul 2011 08:07:13 +0000 (17:07 +0900)]
ASoC: SAMSUNG: Add I2S0 internal dma driver

I2S in Exynos4 and S5PC110(S5PV210) has a internal dma.
It can be used low power audio mode and 2nd channel transfer.
This patch can support idma.

[Reapplied after dependencies propagated through in 3.1-rc1. --broonie]

Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
13 years agoMerge branch 'for-3.1' into for-3.2
Mark Brown [Thu, 11 Aug 2011 03:30:26 +0000 (12:30 +0900)]
Merge branch 'for-3.1' into for-3.2

13 years agoASoC: Terminate WM8750 SPI device ID table
Mark Brown [Thu, 11 Aug 2011 03:23:22 +0000 (12:23 +0900)]
ASoC: Terminate WM8750 SPI device ID table

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
13 years agoMerge branch 'for-3.1' into for-3.2
Mark Brown [Thu, 11 Aug 2011 01:43:40 +0000 (10:43 +0900)]
Merge branch 'for-3.1' into for-3.2

13 years agoASoC: Add missing break in WM8994 probe
Mark Brown [Wed, 10 Aug 2011 13:19:19 +0000 (22:19 +0900)]
ASoC: Add missing break in WM8994 probe

This error would have no effect on current silicon revisions, the fall
through case has the same behaviour.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
13 years agoMerge branch 'fix/misc' into for-next
Takashi Iwai [Wed, 10 Aug 2011 18:06:02 +0000 (20:06 +0200)]
Merge branch 'fix/misc' into for-next

13 years agoALSA: snd-usb-caiaq: Correct offset fields of outbound iso_frame_desc
Daniel Mack [Fri, 5 Aug 2011 11:49:52 +0000 (13:49 +0200)]
ALSA: snd-usb-caiaq: Correct offset fields of outbound iso_frame_desc

This fixes faulty outbount packets in case the inbound packets
received from the hardware are fragmented and contain bogus input
iso frames. The bug has been there for ages, but for some strange
reasons, it was only triggered by newer machines in 64bit mode.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Reported-and-tested-by: William Light <wrl@illest.net>
Reported-by: Pedro Ribeiro <pedrib@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoASoC: soc-io: Add CONFIG_REGMAP_I2C/CONFIG_REGMAP_SPI guards for regmap_init_i2c...
Axel Lin [Wed, 10 Aug 2011 08:24:12 +0000 (16:24 +0800)]
ASoC: soc-io: Add CONFIG_REGMAP_I2C/CONFIG_REGMAP_SPI guards for regmap_init_i2c/regmap_init_spi

In the case of "make da8xx_omapl_defconfig;make", the SPI support is disabled.
Thus calling regmap_init_spi in soc-io.c has below build error.

ERROR: "regmap_init_spi" [sound/soc/snd-soc-core.ko] undefined!
make[1]: *** [__modpost] Error 1
make: *** [modules] Error 2

This patch fixes the build error by adding CONFIG_REGMAP_I2C/CONFIG_REGMAP_SPI
guards for regmap_init_i2c/regmap_init_spi.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
13 years agoASoC: Specify register defaults for WM8958 MICBIAS1 and MICBIAS2
Mark Brown [Wed, 10 Aug 2011 05:20:09 +0000 (14:20 +0900)]
ASoC: Specify register defaults for WM8958 MICBIAS1 and MICBIAS2

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
13 years agoMerge branch 'fix/misc' into for-next
Takashi Iwai [Wed, 10 Aug 2011 09:53:31 +0000 (11:53 +0200)]
Merge branch 'fix/misc' into for-next

13 years agoALSA: azt3328 - adjust error handling code to include debugging code
Julia Lawall [Wed, 10 Aug 2011 09:49:04 +0000 (11:49 +0200)]
ALSA: azt3328 - adjust error handling code to include debugging code

snd_azf3328_dbgcallenter is called at the very beginning of the function,
so it could be useful to call snd_azf3328_dbgcallleave at all exit points.

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoMerge branch 'fix/hda' into for-next
Takashi Iwai [Wed, 10 Aug 2011 09:22:19 +0000 (11:22 +0200)]
Merge branch 'fix/hda' into for-next

13 years agoALSA: hda - Add CONFIG_SND_HDA_POWER_SAVE to stac_vrefout_set()
Wang Shaoyan [Wed, 10 Aug 2011 08:01:04 +0000 (16:01 +0800)]
ALSA: hda - Add CONFIG_SND_HDA_POWER_SAVE to stac_vrefout_set()

In commit 45eebda7, it add new function stac_vrefout_set, but it
is only used in code between CONFIG_SND_HDA_POWER_SAVE macro, so
add the macro to avoid such warning:

  sound/pci/hda/patch_sigmatel.c:676:12: warning: 'stac_vrefout_set' defined but not used

Signed-off-by: Wang Shaoyan <wangshaoyan.pt@taobao.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoMerge branch 'fix/misc' into for-next
Takashi Iwai [Wed, 10 Aug 2011 06:19:34 +0000 (08:19 +0200)]
Merge branch 'fix/misc' into for-next

13 years agoALSA: usb-audio - Add quirk for BOSS Micro BR-80
Kazutomo Yoshii [Wed, 10 Aug 2011 04:39:13 +0000 (23:39 -0500)]
ALSA: usb-audio - Add quirk for BOSS Micro BR-80

Signed-off-by: Kazutomo Yoshii <kazutomo.yoshii@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoMerge branch 'for-3.1' into for-3.2
Mark Brown [Wed, 10 Aug 2011 05:11:48 +0000 (14:11 +0900)]
Merge branch 'for-3.1' into for-3.2

13 years agoASoC: Fix typo in wm8750 spi_ids
Mark Brown [Wed, 10 Aug 2011 00:41:26 +0000 (09:41 +0900)]
ASoC: Fix typo in wm8750 spi_ids

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
13 years agoASoC: Fix warning in WM1250-EV1 driver
Mark Brown [Fri, 29 Jul 2011 15:27:18 +0000 (16:27 +0100)]
ASoC: Fix warning in WM1250-EV1 driver

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
13 years agoASoC: Add SPI support for WM8741
Mark Brown [Wed, 3 Aug 2011 08:30:57 +0000 (17:30 +0900)]
ASoC: Add SPI support for WM8741

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
13 years agoASoC: Refactor WM8741 regulator handling into CODEC generic code
Mark Brown [Wed, 3 Aug 2011 08:16:11 +0000 (17:16 +0900)]
ASoC: Refactor WM8741 regulator handling into CODEC generic code

No meaningful runtime impact but is more in line with other CODECs and
will support further work.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
13 years agoMerge branch 'for-3.1' into for-3.2
Mark Brown [Tue, 9 Aug 2011 15:18:10 +0000 (00:18 +0900)]
Merge branch 'for-3.1' into for-3.2

13 years agoASoC: Remove some more redundant -codecs from driver names
Mark Brown [Wed, 3 Aug 2011 07:52:10 +0000 (16:52 +0900)]
ASoC: Remove some more redundant -codecs from driver names

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
13 years agoASoC: Update SMDKs for WM8580 -codec removal
Mark Brown [Wed, 3 Aug 2011 08:34:41 +0000 (17:34 +0900)]
ASoC: Update SMDKs for WM8580 -codec removal

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
13 years agoASoC: Fix warning in Speyside WM8962
Mark Brown [Thu, 4 Aug 2011 01:54:17 +0000 (10:54 +0900)]
ASoC: Fix warning in Speyside WM8962

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
13 years agoASoC: Fix SPI driver binding for WM8987
Mark Brown [Wed, 3 Aug 2011 09:32:09 +0000 (18:32 +0900)]
ASoC: Fix SPI driver binding for WM8987

As we had no id_table only the driver name would be matched against
meaning that WM8987 devices wouldn't be bound.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
13 years agoASoC: Fix binding of WM8750 on Jive
Mark Brown [Wed, 3 Aug 2011 08:36:48 +0000 (17:36 +0900)]
ASoC: Fix binding of WM8750 on Jive

The I2C address is misformatted and would never match.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Cc: stable@kernel.org
13 years agoALSA: hda - Add tracepoint for unsolicited events
Takashi Iwai [Tue, 9 Aug 2011 12:22:44 +0000 (14:22 +0200)]
ALSA: hda - Add tracepoint for unsolicited events

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoMerge branch 'for-3.1' into for-3.2
Mark Brown [Tue, 9 Aug 2011 01:00:05 +0000 (10:00 +0900)]
Merge branch 'for-3.1' into for-3.2

13 years agoASoC: Remove unneeded -codec from WM8753 driver name
Mark Brown [Mon, 8 Aug 2011 03:44:02 +0000 (12:44 +0900)]
ASoC: Remove unneeded -codec from WM8753 driver name

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
13 years agoASoC: WM8903: Free IRQ on device removal
Stephen Warren [Thu, 4 Aug 2011 22:44:44 +0000 (16:44 -0600)]
ASoC: WM8903: Free IRQ on device removal

Without this, request_irq on subsequent device initialization fails, and
the codec cannot be used.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
13 years agoASoC: Tegra: wm8903 machine driver: Allow re-insertion of module
Stephen Warren [Thu, 4 Aug 2011 22:44:43 +0000 (16:44 -0600)]
ASoC: Tegra: wm8903 machine driver: Allow re-insertion of module

Two issues were preventing module snd-soc-tegra-wm8903.ko from being
removed and re-inserted:

a) The speaker-enable GPIO is hosted by the WM8903 chip. This GPIO must
   be freed before snd_soc_unregister_card() is called, because that
   triggers wm8903.c:wm8903_remove(), which calls gpiochip_remove(), which
   then fails if any of the GPIOs are in use. To solve this, free all GPIOs
   first, so the code doesn't care where they come from.

b) We need to call snd_soc_jack_free_gpios() to match the call to
   snd_soc_jack_add_gpios() during initialization. Without this, the
   call to snd_soc_jack_add_gpios() fails during any subsequent modprobe
   and initialization, since the GPIO and IRQ are already registered. In
   turn, this causes the headphone state not to be monitored, so the
   headphone is assumed not to be plugged in, and the audio path to it is
   never enabled.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Cc: stable@kernel.org
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
13 years agoASoC: Tegra: tegra_pcm_deallocate_dma_buffer: Don't OOPS
Stephen Warren [Thu, 4 Aug 2011 22:44:42 +0000 (16:44 -0600)]
ASoC: Tegra: tegra_pcm_deallocate_dma_buffer: Don't OOPS

Not all PCM devices have all sub-streams. Specifically, the SPDIF driver
only supports playback and hence has no capture substream. Check whether
a substream exists before dereferencing it, when de-allocating DMA
buffers in tegra_pcm_deallocate_dma_buffer.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
13 years agoMerge branch 'fix/asoc' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound...
Mark Brown [Tue, 9 Aug 2011 00:39:55 +0000 (09:39 +0900)]
Merge branch 'fix/asoc' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 into for-3.1

13 years agoMerge branch 'fix/asoc' into for-linus
Takashi Iwai [Mon, 8 Aug 2011 12:30:44 +0000 (14:30 +0200)]
Merge branch 'fix/asoc' into for-linus

13 years agoMerge branch 'fix/kconfig' into for-linus
Takashi Iwai [Mon, 8 Aug 2011 12:30:29 +0000 (14:30 +0200)]
Merge branch 'fix/kconfig' into for-linus

13 years agoMerge branch 'fix/misc' into for-next
Takashi Iwai [Mon, 8 Aug 2011 12:30:10 +0000 (14:30 +0200)]
Merge branch 'fix/misc' into for-next

13 years agosound: pss - don't use the deprecated function check_region
Wang Shaoyan [Mon, 8 Aug 2011 11:10:26 +0000 (19:10 +0800)]
sound: pss - don't use the deprecated function check_region

  sound/oss/pss.c: In function 'configure_nonsound_components':
  sound/oss/pss.c:676: warning: 'check_region' is deprecated (declared at include/linux/ioport.h:201)

Signed-off-by: Wang Shaoyan <wangshaoyan.pt@taobao.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoMerge branch 'fix/misc' into for-next
Takashi Iwai [Mon, 8 Aug 2011 10:29:19 +0000 (12:29 +0200)]
Merge branch 'fix/misc' into for-next

13 years agoALSA: timer - Add NULL-check for invalid slave timer
Takashi Iwai [Mon, 8 Aug 2011 10:28:22 +0000 (12:28 +0200)]
ALSA: timer - Add NULL-check for invalid slave timer

Just to be sure.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: timer - Fix Oops at closing slave timer
Takashi Iwai [Mon, 8 Aug 2011 10:24:46 +0000 (12:24 +0200)]
ALSA: timer - Fix Oops at closing slave timer

A slave-timer instance has no timer reference, and this results in
NULL-dereference at stopping the timer, typically called at closing
the device.

Reference: https://bugzilla.kernel.org/show_bug.cgi?id=40682

Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoMerge branch 'wm8996-rename' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie...
Takashi Iwai [Mon, 8 Aug 2011 08:45:31 +0000 (10:45 +0200)]
Merge branch 'wm8996-rename' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound-2.6 into fix/asoc

13 years agoMerge branch 'regmap-asoc' into for-3.2
Mark Brown [Mon, 8 Aug 2011 06:00:13 +0000 (15:00 +0900)]
Merge branch 'regmap-asoc' into for-3.2

13 years agoASoC: Add regmap as a control type
Mark Brown [Sun, 24 Jul 2011 11:23:37 +0000 (12:23 +0100)]
ASoC: Add regmap as a control type

Allow drivers to set up their own regmap API structures. This is mainly
useful with MFDs where the core driver will have set up regmap at the
minute, though it may make sense to push the existing regmap setup out
of the core into the drivers.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
13 years agoASoC: Use new register map API for ASoC generic physical I/O
Mark Brown [Mon, 13 Jun 2011 18:35:29 +0000 (19:35 +0100)]
ASoC: Use new register map API for ASoC generic physical I/O

Remove all the ASoC specific physical I/O code and replace it with calls
into the regmap API. The bulk write code can only be used safely if all
regmap calls are locked with the CODEC lock, we need to add bulk support
to the regmap API or replace the code with an open coded loop (though
currently it has no users...).

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
13 years agoMerge branch 'for-3.1' into for-3.2
Mark Brown [Mon, 8 Aug 2011 05:56:19 +0000 (14:56 +0900)]
Merge branch 'for-3.1' into for-3.2

Conflict due to the fix for the register map failure - taken the for-3.1
version.

Conflicts:
sound/soc/codecs/sgtl5000.c

13 years agoMerge branch 'for-3.1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound...
Mark Brown [Mon, 8 Aug 2011 05:52:01 +0000 (14:52 +0900)]
Merge branch 'for-3.1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound-2.6.git into for-3.1

13 years agoASoC: Acknowledge WM8996 interrupts before acting on them
Mark Brown [Wed, 20 Jul 2011 12:49:58 +0000 (13:49 +0100)]
ASoC: Acknowledge WM8996 interrupts before acting on them

This closes the small race between a status being read in response to an
interrupt and clearing the interrupt, meaning that if the status changes
between those periods we might not get a reassertion of the interrupt.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
13 years agoASoC: Rename WM8915 to WM8996
Mark Brown [Fri, 24 Jun 2011 11:10:44 +0000 (12:10 +0100)]
ASoC: Rename WM8915 to WM8996

For marketing reasons the part will be called WM8996. In order to avoid
user confusion rename the driver to reflect this.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Acked-by: Liam Girdwood <lrg@ti.com>
13 years agoLinux 3.1-rc1 v3.1-rc1
Linus Torvalds [Mon, 8 Aug 2011 01:23:30 +0000 (18:23 -0700)]
Linux 3.1-rc1

13 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Linus Torvalds [Sun, 7 Aug 2011 22:52:19 +0000 (15:52 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc: Fix build with DEBUG_PAGEALLOC enabled.

13 years agosh: Fix boot crash related to SCI
Rafael J. Wysocki [Sun, 7 Aug 2011 22:26:50 +0000 (00:26 +0200)]
sh: Fix boot crash related to SCI

Commit d006199e72a9 ("serial: sh-sci: Regtype probing doesn't need to be
fatal.") made sci_init_single() return when sci_probe_regmap() succeeds,
although it should return when sci_probe_regmap() fails.  This causes
systems using the serial sh-sci driver to crash during boot.

Fix the problem by using the right return condition.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoarm: remove stale export of 'sha_transform'
Linus Torvalds [Sun, 7 Aug 2011 22:49:11 +0000 (15:49 -0700)]
arm: remove stale export of 'sha_transform'

The generic library code already exports the generic function, this was
left-over from the ARM-specific version that just got removed.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoarm: remove "optimized" SHA1 routines
Linus Torvalds [Sun, 7 Aug 2011 21:07:03 +0000 (14:07 -0700)]
arm: remove "optimized" SHA1 routines

Since commit 1eb19a12bd22 ("lib/sha1: use the git implementation of
SHA-1"), the ARM SHA1 routines no longer work.  The reason? They
depended on the larger 320-byte workspace, and now the sha1 workspace is
just 16 words (64 bytes).  So the assembly version would overwrite the
stack randomly.

The optimized asm version is also probably slower than the new improved
C version, so there's no reason to keep it around.  At least that was
the case in git, where what appears to be the same assembly language
version was removed two years ago because the optimized C BLK_SHA1 code
was faster.

Reported-and-tested-by: Joachim Eastwood <manabian@gmail.com>
Cc: Andreas Schwab <schwab@linux-m68k.org>
Cc: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agofix rcu annotations noise in cred.h
Al Viro [Sun, 7 Aug 2011 17:55:11 +0000 (18:55 +0100)]
fix rcu annotations noise in cred.h

task->cred is declared as __rcu, and access to other tasks' ->cred is,
indeed, protected.  Access to current->cred does not need rcu_dereference()
at all, since only the task itself can change its ->cred.  sparse, of
course, has no way of knowing that...

Add force-cast in current_cred(), make current_fsuid() et.al. use it.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agovfs: rename 'do_follow_link' to 'should_follow_link'
Linus Torvalds [Sun, 7 Aug 2011 16:53:20 +0000 (09:53 -0700)]
vfs: rename 'do_follow_link' to 'should_follow_link'

Al points out that the do_follow_link() helper function really is
misnamed - it's about whether we should try to follow a symlink or not,
not about actually doing the following.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge branch 'fix/kconfig' into for-next
Takashi Iwai [Sun, 7 Aug 2011 15:56:05 +0000 (17:56 +0200)]
Merge branch 'fix/kconfig' into for-next

13 years agoMerge branch 'fix/misc' into for-next
Takashi Iwai [Sun, 7 Aug 2011 15:56:00 +0000 (17:56 +0200)]
Merge branch 'fix/misc' into for-next

13 years agoALSA: Fix dependency of CONFIG_SND_TEA575X
Takashi Iwai [Sun, 7 Aug 2011 15:34:07 +0000 (17:34 +0200)]
ALSA: Fix dependency of CONFIG_SND_TEA575X

CONFIG_SND_TEA575X is enabled by RADIO_SF16FMR2, but the latter one is
no PCI device.  Since tea575x-tuner itself is independent from the board
bus type, the config should be moved out of SND_PCI dependency.

Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: asihpi - use kzalloc()
Thomas Meyer [Sat, 6 Aug 2011 11:26:20 +0000 (13:26 +0200)]
ALSA: asihpi - use kzalloc()

 Use kzalloc rather than kmalloc followed by memset with 0

 This considers some simple cases that are common and easy to validate
 Note in particular that there are no ...s in the rule, so all of the
 matched code has to be contiguous

 The semantic patch that makes this output is available
 in scripts/coccinelle/api/alloc/kzalloc-simple.cocci.

 More information about semantic patching is available at
 http://coccinelle.lip6.fr/

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoFix POSIX ACL permission check
Ari Savolainen [Sat, 6 Aug 2011 16:43:07 +0000 (19:43 +0300)]
Fix POSIX ACL permission check

After commit 3567866bf261: "RCUify freeing acls, let check_acl() go ahead in
RCU mode if acl is cached" posix_acl_permission is being called with an
unsupported flag and the permission check fails. This patch fixes the issue.

Signed-off-by: Ari Savolainen <ari.m.savolainen@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
13 years agoMerge branch 'for-linus' of git://git.open-osd.org/linux-open-osd
Linus Torvalds [Sun, 7 Aug 2011 05:56:03 +0000 (22:56 -0700)]
Merge branch 'for-linus' of git://git.open-osd.org/linux-open-osd

* 'for-linus' of git://git.open-osd.org/linux-open-osd:
  ore: Make ore its own module
  exofs: Rename raid engine from exofs/ios.c => ore
  exofs: ios: Move to a per inode components & device-table
  exofs: Move exofs specific osd operations out of ios.c
  exofs: Add offset/length to exofs_get_io_state
  exofs: Fix truncate for the raid-groups case
  exofs: Small cleanup of exofs_fill_super
  exofs: BUG: Avoid sbi realloc
  exofs: Remove pnfs-osd private definitions
  nfs_xdr: Move nfs4_string definition out of #ifdef CONFIG_NFS_V4

13 years agovfs: optimize inode cache access patterns
Linus Torvalds [Sun, 7 Aug 2011 05:45:50 +0000 (22:45 -0700)]
vfs: optimize inode cache access patterns

The inode structure layout is largely random, and some of the vfs paths
really do care.  The path lookup in particular is already quite D$
intensive, and profiles show that accessing the 'inode->i_op->xyz'
fields is quite costly.

We already optimized the dcache to not unnecessarily load the d_op
structure for members that are often NULL using the DCACHE_OP_xyz bits
in dentry->d_flags, and this does something very similar for the inode
ops that are used during pathname lookup.

It also re-orders the fields so that the fields accessed by 'stat' are
together at the beginning of the inode structure, and roughly in the
order accessed.

The effect of this seems to be in the 1-2% range for an empty kernel
"make -j" run (which is fairly kernel-intensive, mostly in filename
lookup), so it's visible.  The numbers are fairly noisy, though, and
likely depend a lot on exact microarchitecture.  So there's more tuning
to be done.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agovfs: renumber DCACHE_xyz flags, remove some stale ones
Linus Torvalds [Sun, 7 Aug 2011 05:41:50 +0000 (22:41 -0700)]
vfs: renumber DCACHE_xyz flags, remove some stale ones

Gcc tends to generate better code with small integers, including the
DCACHE_xyz flag tests - so move the common ones to be first in the list.
Also just remove the unused DCACHE_INOTIFY_PARENT_WATCHED and
DCACHE_AUTOFS_PENDING values, their users no longer exists in the source
tree.

And add a "unlikely()" to the DCACHE_OP_COMPARE test, since we want the
common case to be a nice straight-line fall-through.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Linus Torvalds [Sun, 7 Aug 2011 05:12:37 +0000 (22:12 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  net: Compute protocol sequence numbers and fragment IDs using MD5.
  crypto: Move md5_transform to lib/md5.c

13 years agoore: Make ore its own module
Boaz Harrosh [Sun, 7 Aug 2011 02:22:06 +0000 (19:22 -0700)]
ore: Make ore its own module

Export everything from ore need exporting. Change Kbuild and Kconfig
to build ore.ko as an independent module. Import ore from exofs

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
13 years agoexofs: Rename raid engine from exofs/ios.c => ore
Boaz Harrosh [Sun, 7 Aug 2011 02:26:31 +0000 (19:26 -0700)]
exofs: Rename raid engine from exofs/ios.c => ore

ORE stands for "Objects Raid Engine"

This patch is a mechanical rename of everything that was in ios.c
and its API declaration to an ore.c and an osd_ore.h header. The ore
engine will later be used by the pnfs objects layout driver.

* File ios.c => ore.c

* Declaration of types and API are moved from exofs.h to a new
  osd_ore.h

* All used types are prefixed by ore_ from their exofs_ name.

* Shift includes from exofs.h to osd_ore.h so osd_ore.h is
  independent, include it from exofs.h.

Other than a pure rename there are no other changes. Next patch
will move the ore into it's own module and will export the API
to be used by exofs and later the layout driver

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
13 years agoexofs: ios: Move to a per inode components & device-table
Boaz Harrosh [Fri, 5 Aug 2011 22:06:04 +0000 (15:06 -0700)]
exofs: ios: Move to a per inode components & device-table

Exofs raid engine was saving on memory space by having a single layout-info,
single pid, and a single device-table, global to the filesystem. Then passing
a credential and object_id info at the io_state level, private for each
inode. It would also devise this contraption of rotating the device table
view for each inode->ino to spread out the device usage.

This is not compatible with the pnfs-objects standard, demanding that
each inode can have it's own layout-info, device-table, and each object
component it's own pid, oid and creds.

So: Bring exofs raid engine to be usable for generic pnfs-objects use by:

* Define an exofs_comp structure that holds obj_id and credential info.

* Break up exofs_layout struct to an exofs_components structure that holds a
  possible array of exofs_comp and the array of devices + the size of the
  arrays.

* Add a "comps" parameter to get_io_state() that specifies the ids creds
  and device array to use for each IO.

  This enables to keep the layout global, but the device-table view, creds
  and IDs at the inode level. It only adds two 64bit to each inode, since
  some of these members already existed in another form.

* ios raid engine now access layout-info and comps-info through the passed
  pointers. Everything is pre-prepared by caller for generic access of
  these structures and arrays.

At the exofs Level:

* Super block holds an exofs_components struct that holds the device
  array, previously in layout. The devices there are in device-table
  order. The device-array is twice bigger and repeats the device-table
  twice so now each inode's device array can point to a random device
  and have a round-robin view of the table, making it compatible to
  previous exofs versions.

* Each inode has an exofs_components struct that is initialized at
  load time, with it's own view of the device table IDs and creds.
  When doing IO this gets passed to the io_state together with the
  layout.

While preforming this change. Bugs where found where credentials with the
wrong IDs where used to access the different SB objects (super.c). As well
as some dead code. It was never noticed because the target we use does not
check the credentials.

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
13 years agoexofs: Move exofs specific osd operations out of ios.c
Boaz Harrosh [Mon, 16 May 2011 12:26:47 +0000 (15:26 +0300)]
exofs: Move exofs specific osd operations out of ios.c

ios.c will be moving to an external library, for use by the
objects-layout-driver. Remove from it some exofs specific functions.

Also g_attr_logical_length is used both by inode.c and ios.c
move definition to the later, to keep it independent

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
13 years agoexofs: Add offset/length to exofs_get_io_state
Boaz Harrosh [Tue, 16 Nov 2010 18:09:58 +0000 (20:09 +0200)]
exofs: Add offset/length to exofs_get_io_state

In future raid code we will need to know the IO offset/length
and if it's a read or write to determine some of the array
sizes we'll need.

So add a new exofs_get_rw_state() API for use when
writeing/reading. All other simple cases are left using the
old way.

The major change to this is that now we need to call
exofs_get_io_state later at inode.c::read_exec and
inode.c::write_exec when we actually know these things. So this
patch is kept separate so I can test things apart from other
changes.

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
13 years agonet: Compute protocol sequence numbers and fragment IDs using MD5.
David S. Miller [Thu, 4 Aug 2011 03:50:44 +0000 (20:50 -0700)]
net: Compute protocol sequence numbers and fragment IDs using MD5.

Computers have become a lot faster since we compromised on the
partial MD4 hash which we use currently for performance reasons.

MD5 is a much safer choice, and is inline with both RFC1948 and
other ISS generators (OpenBSD, Solaris, etc.)

Furthermore, only having 24-bits of the sequence number be truly
unpredictable is a very serious limitation.  So the periodic
regeneration and 8-bit counter have been removed.  We compute and
use a full 32-bit sequence number.

For ipv6, DCCP was found to use a 32-bit truncated initial sequence
number (it needs 43-bits) and that is fixed here as well.

Reported-by: Dan Kaminsky <dan@doxpara.com>
Tested-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agocrypto: Move md5_transform to lib/md5.c
David S. Miller [Thu, 4 Aug 2011 02:45:10 +0000 (19:45 -0700)]
crypto: Move md5_transform to lib/md5.c

We are going to use this for TCP/IP sequence number and fragment ID
generation.

Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
Linus Torvalds [Sat, 6 Aug 2011 20:54:36 +0000 (13:54 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  cifs: cope with negative dentries in cifs_get_root
  cifs: convert prefixpath delimiters in cifs_build_path_to_root
  CIFS: Fix missing a decrement of inFlight value
  cifs: demote DFS referral lookup errors to cFYI
  Revert "cifs: advertise the right receive buffer size to the server"

13 years agoMerge branch 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspe...
Linus Torvalds [Sat, 6 Aug 2011 20:26:37 +0000 (13:26 -0700)]
Merge branch 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6

* 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6:
  PM / Runtime: Allow _put_sync() from interrupts-disabled context
  PM / Domains: Fix pm_genpd_poweron()