[media] dvb-usb: multi-frontend support (MFE)

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 8 insertions, 3 deletions

diff --git a/drivers/media/dvb/dvb-usb/dvb-usb.h b/drivers/media/dvb/dvb-usb/dvb-usb.h
index 2e57bffad3e3..a3e77b2e2261 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb.h
+++ b/drivers/media/dvb/dvb-usb/dvb-usb.h
@@ -124,6 +124,8 @@ struct usb_data_stream_properties {
  * @caps: capabilities of the DVB USB device.
  * @pid_filter_count: number of PID filter position in the optional hardware
  *  PID-filter.
+ * @num_frontends: number of frontends of the DVB USB adapter.
+ * @frontend_ctrl: called to power on/off active frontend.
  * @streaming_ctrl: called to start and stop the MPEG2-TS streaming of the
  *  device (not URB submitting/killing).
  * @pid_filter_ctrl: called to en/disable the PID filter, if any.
@@ -141,7 +143,9 @@ struct dvb_usb_adapter_properties {
 #define DVB_USB_ADAP_RECEIVES_204_BYTE_TS         0x08
         int caps;
         int pid_filter_count;
+        int num_frontends;
 
+        int (*frontend_ctrl)   (struct dvb_frontend *, int);
         int (*streaming_ctrl)  (struct dvb_usb_adapter *, int);
         int (*pid_filter_ctrl) (struct dvb_usb_adapter *, int);
         int (*pid_filter)      (struct dvb_usb_adapter *, int, u16, int);
@@ -345,6 +349,7 @@ struct usb_data_stream {
  *
  * @stream: the usb data stream.
  */
+#define MAX_NO_OF_FE_PER_ADAP 2
 struct dvb_usb_adapter {
         struct dvb_usb_device *dev;
         struct dvb_usb_adapter_properties props;
@@ -363,11 +368,11 @@ struct dvb_usb_adapter {
         struct dmxdev        dmxdev;
         struct dvb_demux     demux;
         struct dvb_net       dvb_net;
-        struct dvb_frontend *fe[1];
+        struct dvb_frontend *fe[MAX_NO_OF_FE_PER_ADAP];
         int                  max_feed_count;
 
-        int (*fe_init)  (struct dvb_frontend *);
-        int (*fe_sleep) (struct dvb_frontend *);
+        int (*fe_init[MAX_NO_OF_FE_PER_ADAP])  (struct dvb_frontend *);
+        int (*fe_sleep[MAX_NO_OF_FE_PER_ADAP]) (struct dvb_frontend *);
 
         struct usb_data_stream stream;