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-rw-r--r--drivers/media/video/uvc/uvc_ctrl.c7
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;
}