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[media] pwc: Remove driver specific use of pixfmt.priv in the pwc driver 

The .priv field never was intended for this, setting a framerate is
support using the standardized S_PARM ioctl.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans de Goede 2011-12-31 08:47:07 -03:00 committed by Mauro Carvalho Chehab
parent 1516524ff2
commit 115f418bfa
2 changed files with 6 additions and 25 deletions
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8
Documentation/feature-removal-schedule.txt
View File

@ -469,14 +469,6 @@ Who: Hans de Goede <hdegoede@redhat.com>
----------------------------
What: Driver specific use of pixfmt.priv in the pwc driver
When: 3.3
Why: The .priv field never was intended for this, setting a framerate is
support using the standardized S_PARM ioctl
Who: Hans de Goede <hdegoede@redhat.com>
----------------------------
What: Software emulation of arbritary resolutions in the pwc driver
When: 3.3
Why: The pwc driver claims to support any resolution between 160x120

23
drivers/media/video/pwc/pwc-v4l.c
View File

@ -473,7 +473,7 @@ static int pwc_vidioc_try_fmt(struct pwc_device *pdev, struct v4l2_format *f)
static int pwc_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *f)
{
struct pwc_device *pdev = video_drvdata(file);
int ret, fps, snapshot, compression, pixelformat;
int ret, pixelformat;
if (pwc_test_n_set_capt_file(pdev, file))
return -EBUSY;
@ -483,16 +483,6 @@ static int pwc_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *f)
return ret;
pixelformat = f->fmt.pix.pixelformat;
compression = pdev->vcompression;
snapshot = 0;
fps = pdev->vframes;
if (f->fmt.pix.priv) {
compression = (f->fmt.pix.priv & PWC_QLT_MASK) >> PWC_QLT_SHIFT;
snapshot = !!(f->fmt.pix.priv & PWC_FPS_SNAPSHOT);
fps = (f->fmt.pix.priv & PWC_FPS_FRMASK) >> PWC_FPS_SHIFT;
if (fps == 0)
fps = pdev->vframes;
}
if (pixelformat != V4L2_PIX_FMT_YUV420 &&
pixelformat != V4L2_PIX_FMT_PWC1 &&
@ -511,9 +501,9 @@ static int pwc_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *f)
}
PWC_DEBUG_IOCTL("Trying to set format to: width=%d height=%d fps=%d "
"compression=%d snapshot=%d format=%c%c%c%c\n",
f->fmt.pix.width, f->fmt.pix.height, fps,
compression, snapshot,
"compression=%d format=%c%c%c%c\n",
f->fmt.pix.width, f->fmt.pix.height, pdev->vframes,
pdev->vcompression,
(pixelformat)&255,
(pixelformat>>8)&255,
(pixelformat>>16)&255,
@ -522,9 +512,8 @@ static int pwc_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *f)
ret = pwc_set_video_mode(pdev,
f->fmt.pix.width,
f->fmt.pix.height,
fps,
compression,
snapshot);
pdev->vframes,
pdev->vcompression, 0);
PWC_DEBUG_IOCTL("pwc_set_video_mode(), return=%d\n", ret);