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V4L/DVB: uvcvideo: Make button controls work properly
authorHans de Goede <hdegoede@redhat.com>
Wed, 19 May 2010 23:15:00 +0000 (20:15 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Mon, 2 Aug 2010 18:33:25 +0000 (15:33 -0300)
commit3653639e5daf2ac5f4763e4f1b6cb57538184be9
treed80eb99b2e9ab315de40f3068af8a790b1378261tree | snapshot (tar.gz zip)
parente56be916660da811fe4e830dfb958f13af361d59commit | diff
V4L/DVB: uvcvideo: Make button controls work properly

According to the v4l2 spec, writing any value to a button control should
result in the action belonging to the button control being triggered.
UVC cams however want to see a 1 written, this patch fixes this by
overriding whatever value user space passed in with -1 (0xffffffff) when
the control is a button control.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/video/uvc/uvc_ctrl.c diff | blob | blame | history