[media] uvcvideo: GET_RES should only be checked for BITMAP type menu controls

Currently it is also being checked for non BITMAP type menu controls,
breaking the logitech LED control menu added by uvcdynctrl, as well as
potentially breaking the powerline frequency menu.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c
index 10c2364f3e8a..254d32688843 100644
--- a/drivers/media/video/uvc/uvc_ctrl.c
+++ b/drivers/media/video/uvc/uvc_ctrl.c
@@ -1016,7 +1016,8 @@ int uvc_query_v4l2_menu(struct uvc_video_chain *chain,
 
         menu_info = &mapping->menu_info[query_menu->index];
 
-        if (ctrl->info.flags & UVC_CTRL_FLAG_GET_RES) {
+        if (mapping->data_type == UVC_CTRL_DATA_TYPE_BITMASK &&
+            (ctrl->info.flags & UVC_CTRL_FLAG_GET_RES)) {
                 s32 bitmap;
 
                 if (!ctrl->cached) {
@@ -1225,7 +1226,8 @@ int uvc_ctrl_set(struct uvc_video_chain *chain,
                 /* Valid menu indices are reported by the GET_RES request for
                  * UVC controls that support it.
                  */
-                if (ctrl->info.flags & UVC_CTRL_FLAG_GET_RES) {
+                if (mapping->data_type == UVC_CTRL_DATA_TYPE_BITMASK &&
+                    (ctrl->info.flags & UVC_CTRL_FLAG_GET_RES)) {
                         if (!ctrl->cached) {
                                 ret = uvc_ctrl_populate_cache(chain, ctrl);
                                 if (ret < 0)