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Commit 99443ae0 authored by Michael Krufky's avatar Michael Krufky Committed by Mauro Carvalho Chehab
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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: default avatarMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: default avatarMike Isely <isely@pobox.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent 04910bdc

drivers/media/video/pvrusb2/pvrusb2-dvb.c

+14 −0
Original line number Diff line number Diff line
@@ -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;