V4L/DVB (12217): radio-cadet: conform to the RDS spec.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/radio/radio-cadet.c

@@ -359,7 +359,8 @@ static int vidioc_querycap(struct file *file, void *priv,
 	strlcpy(v->card, "ADS Cadet", sizeof(v->card));
 	strlcpy(v->bus_info, "ISA", sizeof(v->bus_info));
 	v->version = CADET_VERSION;
-	v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO | V4L2_CAP_READWRITE;
+	v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO |
+			  V4L2_CAP_READWRITE | V4L2_CAP_RDS_CAPTURE;
 	return 0;
 }
 
@@ -372,7 +373,7 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 	switch (v->index) {
 	case 0:
 		strlcpy(v->name, "FM", sizeof(v->name));
-		v->capability = V4L2_TUNER_CAP_STEREO;
+		v->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_RDS;
 		v->rangelow = 1400;     /* 87.5 MHz */
 		v->rangehigh = 1728;    /* 108.0 MHz */
 		v->rxsubchans = cadet_getstereo(dev);
@@ -386,6 +387,7 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 		default:
 			break;
 		}
+		v->rxsubchans |= V4L2_TUNER_SUB_RDS;
 		break;
 	case 1:
 		strlcpy(v->name, "AM", sizeof(v->name));