[media] v4l2-ctrls: V4L2_CTRL_CLASS_FM_RX controls are also valid radio controls

The radio filter function that filters controls that are valid for a radio
device should also accept V4L2_CTRL_CLASS_FM_RX controls.
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/v4l2-core/v4l2-ctrls.c

@@ -1835,6 +1835,8 @@ bool v4l2_ctrl_radio_filter(const struct v4l2_ctrl *ctrl)
 {
 	if (V4L2_CTRL_ID2CLASS(ctrl->id) == V4L2_CTRL_CLASS_FM_TX)
 		return true;
+	if (V4L2_CTRL_ID2CLASS(ctrl->id) == V4L2_CTRL_CLASS_FM_RX)
+		return true;
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
 	case V4L2_CID_AUDIO_VOLUME: