From f4eabafeb3ea41801260fba624cbf2da971d19f8 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Thu, 6 Aug 2009 06:05:40 -0300 Subject: [PATCH] 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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/uvc/uvc_ctrl.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c index 1b89735e62f..6f1487fc3d7 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; } -- 2.46.0