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-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-dvb.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-dvb.c b/drivers/media/video/pvrusb2/pvrusb2-dvb.c
index 18c18db2fe3c..250462265a41 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-dvb.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-dvb.c
@@ -39,6 +39,17 @@ static int pvr2_dvb_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
return 0; /* FIXME: pvr2_dvb_ctrl_feed(dvbdmxfeed, 0); */
}
+static int pvr2_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
+{
+ /* TO DO: This function will call into the core and request for
+ * input to be set to 'dtv' if (acquire) and if it isn't set already.
+ *
+ * If (!acquire) then we should do nothing -- don't switch inputs
+ * again unless the analog side of the driver requests the bus.
+ */
+ return 0;
+}
+
static int pvr2_dvb_adapter_init(struct pvr2_dvb_adapter *adap)
{
int ret;
@@ -136,6 +147,9 @@ static int pvr2_dvb_frontend_init(struct pvr2_dvb_adapter *adap)
if (adap->fe->ops.analog_ops.standby)
adap->fe->ops.analog_ops.standby(adap->fe);
+ /* Ensure all frontends negotiate bus access */
+ adap->fe->ops.ts_bus_ctrl = pvr2_dvb_bus_ctrl;
+
} else {
err("no frontend was attached!");
return -ENODEV;