diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2010-11-16 11:39:25 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-12-29 08:16:52 -0200 |
| commit | 3751e288bcf3d77652ef979edc0b3ea8b21d8b97 (patch) | |
| tree | d0a628cd8c555f186ef402bdd936ad27b7c0c82d /drivers/media/video/pwc/pwc-ctrl.c | |
| parent | a931910d3be6f63464befb2dde94ec58a6eaf5c1 (diff) | |
[media] pwc: do not start isoc stream on /dev/video open
pwc was starting streaming on /dev/video# open rather then on STREAM_ON. Now
that the v4l1 compat code is removed from the pwc driver there is no reason
left to do this. So this patch changes the pwc driver to delay starting
the isoc stream (and thus using valuable usb bandwidth) until the application
does a STREAM_ON
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-ctrl.c')
| -rw-r--r-- | drivers/media/video/pwc/pwc-ctrl.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/media/video/pwc/pwc-ctrl.c b/drivers/media/video/pwc/pwc-ctrl.c index 6b8fbddc074..1593f8deb81 100644 --- a/drivers/media/video/pwc/pwc-ctrl.c +++ b/drivers/media/video/pwc/pwc-ctrl.c @@ -1386,11 +1386,16 @@ long pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) { ARG_DEF(int, qual) + if (pdev->iso_init) { + ret = -EBUSY; + break; + } + ARG_IN(qual) if (ARGR(qual) < 0 || ARGR(qual) > 3) ret = -EINVAL; else - ret = pwc_try_video_mode(pdev, pdev->view.x, pdev->view.y, pdev->vframes, ARGR(qual), pdev->vsnapshot); + ret = pwc_set_video_mode(pdev, pdev->view.x, pdev->view.y, pdev->vframes, ARGR(qual), pdev->vsnapshot); if (ret >= 0) pdev->vcompression = ARGR(qual); break; |