diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2012-01-10 13:14:46 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-01-16 11:08:57 -0200 |
| commit | 938d5b9e7c2e20a7e609ad5874c6e7d8d391e6e9 (patch) | |
| tree | ccd8b97d63894834c3ee7778ce10491ca27edffc /drivers/media/video/pwc/pwc-v4l.c | |
| parent | d167a85c5fb45b1ecdacdb9b7733833a9af78da8 (diff) | |
[media] pwc: Avoid sending mode info to the camera when it is not needed
Since we always do a set_video_mode on stream start, there is no need
to actually send the mode info to the device on a s_fmt / s_parm ioctl.
Not doing this saves us doing (slow) usb io.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/pwc/pwc-v4l.c')
| -rw-r--r-- | drivers/media/video/pwc/pwc-v4l.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/media/video/pwc/pwc-v4l.c b/drivers/media/video/pwc/pwc-v4l.c index b275fad2927b..46feece38852 100644 --- a/drivers/media/video/pwc/pwc-v4l.c +++ b/drivers/media/video/pwc/pwc-v4l.c @@ -493,7 +493,7 @@ static int pwc_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *f) (pixelformat>>24)&255); ret = pwc_set_video_mode(pdev, f->fmt.pix.width, f->fmt.pix.height, - pixelformat, 30, &compression); + pixelformat, 30, &compression, 0); PWC_DEBUG_IOCTL("pwc_set_video_mode(), return=%d\n", ret); @@ -1137,7 +1137,7 @@ static int pwc_s_parm(struct file *file, void *fh, } ret = pwc_set_video_mode(pdev, pdev->width, pdev->height, pdev->pixfmt, - fps, &compression); + fps, &compression, 0); pwc_g_parm(file, fh, parm); |