[linux-dvb] Re: Nexus-CA/stv0297 problems

[Johannes Stezenbach <js@linuxtv.org>]

Andrew de Quincey wrote:
> Hi - quick question about the av7110 code.
> 
> In av7110.c/init_av7110_av(), there is a chunk:
> 
>  if (av7110->adac_type == DVB_ADAC_NONE || av7110->adac_type == DVB_ADAC_MSP) 
> {
>   // switch DVB SCART on
>   av7110_fw_cmd(av7110, COMTYPE_AUDIODAC, MainSwitch, 1, 0);

This sets GPIO4 of the av7110; the comment in the firmware sources says
"PC-Video" vs. "DVB-Video". I've no idea what this actually does.

>   av7110_fw_cmd(av7110, COMTYPE_AUDIODAC, ADSwitch, 1, 1);

This sets GPIO3 of the av7110; the comment in the firmware sources says
"DVB" vs. "analog TV". This probably only applies to the Siemens DVB-C card.

>   if (rgb_on)
>    saa7146_setgpio(dev, 1, SAA7146_GPIO_OUTHI); // RGB on, SCART pin 16
>   //saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTLO); // SCARTpin 8
>  }
> 
> GPIO1 interferes with the new Nexus-CA card. My question is - is this just for 
> the siemens cards?

No idea.

Johannes