From 10351adc6ac9251863ec6d90436e3ad277d178e0 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Mon, 4 Feb 2013 09:00:48 -0300 Subject: [PATCH] [media] stk-webcam: don't use private_data, use video_drvdata file->private_data is needed to store the pointer to struct v4l2_fh. So use video_drvdata to get hold of the stk_camera struct. Signed-off-by: Hans Verkuil Tested-by: Arvydas Sidorenko Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/stkwebcam/stk-webcam.c | 32 +++++++++++------------- 1 file changed, 14 insertions(+), 18 deletions(-) diff --git a/drivers/media/usb/stkwebcam/stk-webcam.c b/drivers/media/usb/stkwebcam/stk-webcam.c index f1cf9060ce71..49a4dfd22bf2 100644 --- a/drivers/media/usb/stkwebcam/stk-webcam.c +++ b/drivers/media/usb/stkwebcam/stk-webcam.c @@ -604,11 +604,7 @@ static void stk_free_buffers(struct stk_camera *dev) static int v4l_stk_open(struct file *fp) { static int first_init = 1; /* webcam LED management */ - struct stk_camera *dev; - struct video_device *vdev; - - vdev = video_devdata(fp); - dev = vdev_to_camera(vdev); + struct stk_camera *dev = video_drvdata(fp); if (dev == NULL || !is_present(dev)) return -ENXIO; @@ -618,7 +614,6 @@ static int v4l_stk_open(struct file *fp) else first_init = 0; - fp->private_data = dev; usb_autopm_get_interface(dev->interface); return 0; @@ -626,7 +621,7 @@ static int v4l_stk_open(struct file *fp) static int v4l_stk_release(struct file *fp) { - struct stk_camera *dev = fp->private_data; + struct stk_camera *dev = video_drvdata(fp); if (dev->owner == fp) { stk_stop_stream(dev); @@ -649,7 +644,7 @@ static ssize_t v4l_stk_read(struct file *fp, char __user *buf, int ret; unsigned long flags; struct stk_sio_buffer *sbuf; - struct stk_camera *dev = fp->private_data; + struct stk_camera *dev = video_drvdata(fp); if (!is_present(dev)) return -EIO; @@ -705,7 +700,7 @@ static ssize_t v4l_stk_read(struct file *fp, char __user *buf, static unsigned int v4l_stk_poll(struct file *fp, poll_table *wait) { - struct stk_camera *dev = fp->private_data; + struct stk_camera *dev = video_drvdata(fp); poll_wait(fp, &dev->wait_frame, wait); @@ -741,7 +736,7 @@ static int v4l_stk_mmap(struct file *fp, struct vm_area_struct *vma) unsigned int i; int ret; unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; - struct stk_camera *dev = fp->private_data; + struct stk_camera *dev = video_drvdata(fp); struct stk_sio_buffer *sbuf = NULL; if (!(vma->vm_flags & VM_WRITE) || !(vma->vm_flags & VM_SHARED)) @@ -879,7 +874,7 @@ static int stk_vidioc_g_fmt_vid_cap(struct file *filp, void *priv, struct v4l2_format *f) { struct v4l2_pix_format *pix_format = &f->fmt.pix; - struct stk_camera *dev = priv; + struct stk_camera *dev = video_drvdata(filp); int i; for (i = 0; i < ARRAY_SIZE(stk_sizes) && @@ -984,7 +979,7 @@ static int stk_vidioc_s_fmt_vid_cap(struct file *filp, void *priv, struct v4l2_format *fmtd) { int ret; - struct stk_camera *dev = priv; + struct stk_camera *dev = video_drvdata(filp); if (dev == NULL) return -ENODEV; @@ -1011,7 +1006,7 @@ static int stk_vidioc_s_fmt_vid_cap(struct file *filp, static int stk_vidioc_reqbufs(struct file *filp, void *priv, struct v4l2_requestbuffers *rb) { - struct stk_camera *dev = priv; + struct stk_camera *dev = video_drvdata(filp); if (dev == NULL) return -ENODEV; @@ -1037,7 +1032,7 @@ static int stk_vidioc_reqbufs(struct file *filp, static int stk_vidioc_querybuf(struct file *filp, void *priv, struct v4l2_buffer *buf) { - struct stk_camera *dev = priv; + struct stk_camera *dev = video_drvdata(filp); struct stk_sio_buffer *sbuf; if (buf->index >= dev->n_sbufs) @@ -1050,7 +1045,7 @@ static int stk_vidioc_querybuf(struct file *filp, static int stk_vidioc_qbuf(struct file *filp, void *priv, struct v4l2_buffer *buf) { - struct stk_camera *dev = priv; + struct stk_camera *dev = video_drvdata(filp); struct stk_sio_buffer *sbuf; unsigned long flags; @@ -1074,7 +1069,7 @@ static int stk_vidioc_qbuf(struct file *filp, static int stk_vidioc_dqbuf(struct file *filp, void *priv, struct v4l2_buffer *buf) { - struct stk_camera *dev = priv; + struct stk_camera *dev = video_drvdata(filp); struct stk_sio_buffer *sbuf; unsigned long flags; int ret; @@ -1107,7 +1102,7 @@ static int stk_vidioc_dqbuf(struct file *filp, static int stk_vidioc_streamon(struct file *filp, void *priv, enum v4l2_buf_type type) { - struct stk_camera *dev = priv; + struct stk_camera *dev = video_drvdata(filp); if (is_streaming(dev)) return 0; if (dev->sio_bufs == NULL) @@ -1119,7 +1114,7 @@ static int stk_vidioc_streamon(struct file *filp, static int stk_vidioc_streamoff(struct file *filp, void *priv, enum v4l2_buf_type type) { - struct stk_camera *dev = priv; + struct stk_camera *dev = video_drvdata(filp); unsigned long flags; int i; stk_stop_stream(dev); @@ -1222,6 +1217,7 @@ static int stk_register_video_device(struct stk_camera *dev) dev->vdev = stk_v4l_data; dev->vdev.debug = debug; dev->vdev.v4l2_dev = &dev->v4l2_dev; + video_set_drvdata(&dev->vdev, dev); err = video_register_device(&dev->vdev, VFL_TYPE_GRABBER, -1); if (err) STK_ERROR("v4l registration failed\n"); -- 2.39.5