diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2009-08-06 06:05:40 -0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-03-15 08:49:46 -0700 |
| commit | b206354c4dcd2b50858c3ff0fd06d2c1588e66ba (patch) | |
| tree | ebbf43e35761e34aa530b8198cdab2ee748e318f | |
| parent | 7ca5552dc54b963251d488fdcbbd1eb34717145b (diff) | |
V4L/DVB (13148): uvcvideo: Handle V4L2_CTRL_TYPE_BUTTON control type in VIDIOC_QUERYCTRL
commit f4eabafeb3ea41801260fba624cbf2da971d19f8 upstream.
Return minimum, maximum and step set to 0 without querying the hardware.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Cc: maximilian attems <max@stro.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/media/video/uvc/uvc_ctrl.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c index 4a293b444459..0ca39ec4ba8e 100644 --- a/drivers/media/video/uvc/uvc_ctrl.c +++ b/drivers/media/video/uvc/uvc_ctrl.c @@ -826,6 +826,13 @@ int uvc_query_v4l2_ctrl(struct uvc_video_chain *chain, ret = 0; goto out; + case V4L2_CTRL_TYPE_BUTTON: + v4l2_ctrl->minimum = 0; + v4l2_ctrl->maximum = 0; + v4l2_ctrl->step = 0; + ret = 0; + goto out; + default: break; } |