Re: Nokia N900 sound driver and ECI GPIOs

[Aaro Koskinen]

Hi,

On Mon, Jan 02, 2017 at 09:44:32AM +0100, Pali Rohár wrote:
> On Monday 02 January 2017 10:23:23 Peter Ujfalusi wrote:
> > GPIO_182 is to select where to route the MIC line from the jack for the
> > ECI core to handle (when the TVOUT is disabled).
> 
> Yes, already figured out from schematic.
> 
> > I have no idea what the
> > gpio_178 should have been used for. It might be only needed for early
> > protos but not in production devices?
> 
> I do not know, reason why I'm asking.

The schematic shows ECI(5:0), but only 3 are connected/used. There were
3 other GPIOs reserved but not used in the final product.

A.