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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2009-08-06 11:05:40 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-12-05 21:40:34 +0100 |
| commit | f4eabafeb3ea41801260fba624cbf2da971d19f8 (patch) | |
| tree | a5925d9212e3f190591c4063f785fc36359da8bb /drivers/media/video/uvc | |
| parent | V4L/DVB (13146): gspca_ov519: cleanup sensor handling (diff) | |
| download | linux-f4eabafeb3ea41801260fba624cbf2da971d19f8.tar.xz linux-f4eabafeb3ea41801260fba624cbf2da971d19f8.zip | |
V4L/DVB (13148): uvcvideo: Handle V4L2_CTRL_TYPE_BUTTON control type in VIDIOC_QUERYCTRL
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>
Diffstat (limited to 'drivers/media/video/uvc')
| -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 1b89735e62fd..6f1487fc3d7c 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; } |