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| author | Michael Krufky <mkrufky@linuxtv.org> | 2008-02-03 23:48:09 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-04-24 14:09:46 -0300 |
| commit | 99443ae04f7002530f666ba0747f7b1ecafb3002 (patch) | |
| tree | ab7b975d721d7c8d43cbc1ce61aacc29870ffb5c /drivers/media/video/pvrusb2 | |
| parent | 04910bdc5c172af9bc937a8869e7f2907db4443f (diff) | |
| download | linux-99443ae04f7002530f666ba0747f7b1ecafb3002.tar.gz | |
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>
Diffstat (limited to 'drivers/media/video/pvrusb2')
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-dvb.c | 14 |
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; |