[media] STV090x: Query DVB frontend delivery capabilities

Override default delivery system information provided by FE_GET_INFO, so
that applications can enumerate delivery systems provided by the frontend.

Signed-off-by: Manu Abraham <abraham.manu@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/frontends/stv090x.c

@@ -4711,6 +4711,21 @@ int stv090x_set_gpio(struct dvb_frontend *fe, u8 gpio, u8 dir, u8 value,
 }
 EXPORT_SYMBOL(stv090x_set_gpio);
 
+static int stv090x_get_property(struct dvb_frontend *fe, struct dtv_property *p)
+{
+	switch (p->cmd) {
+	case DTV_ENUM_DELSYS:
+		p->u.buffer.data[0] = SYS_DSS;
+		p->u.buffer.data[1] = SYS_DVBS;
+		p->u.buffer.data[2] = SYS_DVBS2;
+		p->u.buffer.len = 3;
+		break;
+	default:
+		break;
+	}
+	return 0;
+}
+
 static struct dvb_frontend_ops stv090x_ops = {
 
 	.info = {
@@ -4743,7 +4758,9 @@ static struct dvb_frontend_ops stv090x_ops = {
 	.read_status			= stv090x_read_status,
 	.read_ber			= stv090x_read_per,
 	.read_signal_strength		= stv090x_read_signal_strength,
-	.read_snr			= stv090x_read_cnr
+	.read_snr			= stv090x_read_cnr,
+
+	.get_property			= stv090x_get_property,
 };