---

yaml --- r: 202078 b: refs/heads/master c: 3653639 h: refs/heads/master v: v3
git-mirror · Aug 2, 2010 · b11eb4e · b11eb4e
1 parent 84c328b
commit b11eb4e
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Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e56be916660da811fe4e830dfb958f13af361d59
+refs/heads/master: 3653639e5daf2ac5f4763e4f1b6cb57538184be9
diff --git a/trunk/drivers/media/video/uvc/uvc_ctrl.c b/trunk/drivers/media/video/uvc/uvc_ctrl.c
@@ -698,6 +698,14 @@ static void uvc_set_le_value(struct uvc_control_mapping *mapping,
 	int offset = mapping->offset;
 	__u8 mask;
 
+	/* 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 devices however want to see a 1 written -> override
+	 * value.
+	 */
+	if (mapping->v4l2_type == V4L2_CTRL_TYPE_BUTTON)
+		value = -1;
+
 	data += offset / 8;
 	offset &= 7;