pvr2_channel_limit_inputs
int pvr2_channel_limit_inputs(struct pvr2_channel *,unsigned int);
return pvr2_channel_limit_inputs(
ret = pvr2_channel_limit_inputs(
pvr2_channel_limit_inputs(&adap->channel, 0);
ret = pvr2_channel_limit_inputs(&fhp->channel,input_mask);