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V4L/DVB (7680): pvrusb2-dvb: add pvr2_dvb_bus_ctrl to allow frontends to negotiate bus access 

This function is just a skeleton for now -
a placeholder to remind us to fix it.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Michael Krufky 2008-02-03 23:48:09 -03:00 committed by Mauro Carvalho Chehab
parent 04910bdc5c
commit 99443ae04f
1 changed files with 14 additions and 0 deletions
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14
drivers/media/video/pvrusb2/pvrusb2-dvb.c
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@ -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;