[media] tuner-core: call has_signal for both TV and radio

If g_tuner is called and the tuner is able to return the signal strength
via has_signal(), call the tunner callback to retrieve such data for all
tuner types, not only for radio ones.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/tuner-core.c

@@ -1178,6 +1178,8 @@ static int tuner_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
 		return 0;
 	if (vt->type == t->mode && analog_ops->get_afc)
 		vt->afc = analog_ops->get_afc(&t->fe);
+	if (analog_ops->has_signal)
+		vt->signal = analog_ops->has_signal(&t->fe);
 	if (vt->type != V4L2_TUNER_RADIO) {
 		vt->capability |= V4L2_TUNER_CAP_NORM;
 		vt->rangelow = tv_range[0] * 16;
@@ -1197,8 +1199,6 @@ static int tuner_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
 				V4L2_TUNER_SUB_STEREO :
 				V4L2_TUNER_SUB_MONO;
 		}
-		if (analog_ops->has_signal)
-			vt->signal = analog_ops->has_signal(&t->fe);
 		vt->audmode = t->audmode;
 	}
 	vt->capability |= V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO;