[media] rtl28xxu: add support for RTL2831U/RTL2830 PID filter

RTL2830 demod integrated to RTL2831U has PID filter. PID filtering
is provided by rtl2830 demod driver. Add support for it.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/usb/dvb-usb-v2/rtl28xxu.c

@@ -1569,6 +1569,24 @@ static int rtl2832u_get_rc_config(struct dvb_usb_device *d,
 #define rtl2832u_get_rc_config NULL
 #endif
 
+static int rtl28xxu_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
+{
+	struct dvb_usb_device *d = adap_to_d(adap);
+	struct rtl28xxu_priv *priv = d_to_priv(d);
+	struct rtl2830_platform_data *pdata = &priv->rtl2830_platform_data;
+
+	return pdata->pid_filter_ctrl(adap->fe[0], onoff);
+}
+
+static int rtl28xxu_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
+{
+	struct dvb_usb_device *d = adap_to_d(adap);
+	struct rtl28xxu_priv *priv = d_to_priv(d);
+	struct rtl2830_platform_data *pdata = &priv->rtl2830_platform_data;
+
+	return pdata->pid_filter(adap->fe[0], index, pid, onoff);
+}
+
 static const struct dvb_usb_device_properties rtl2831u_props = {
 	.driver_name = KBUILD_MODNAME,
 	.owner = THIS_MODULE,
@@ -1587,6 +1605,13 @@ static const struct dvb_usb_device_properties rtl2831u_props = {
 	.num_adapters = 1,
 	.adapter = {
 		{
+			.caps = DVB_USB_ADAP_HAS_PID_FILTER |
+				DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
+
+			.pid_filter_count = 32,
+			.pid_filter_ctrl = rtl28xxu_pid_filter_ctrl,
+			.pid_filter = rtl28xxu_pid_filter,
+
 			.stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
 		},
 	},