Re: [alsa-devel] Fwd: [PATCH 1/1] SPI : spi-pxa2xx : fix spi init of WM510205 codec via ACPI (resend)

Christian Hartmann
2015-08-28T07:22:37Z

Hi Mika,
hi,

2015-08-26 11:13 GMT+02:00 Charles Keepax <ckeepax-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>:
> 4) The chip select needs to be active.
>
> It seems very likely that 1) is already taken care of, so I
> probalby won't spend too much time worrying about that. It looks
> like we are getting a valid GPIO for the reset (2) and LDOENA (3),
> so it feels like those are probably ok. I guess this leaves the
> SPI config as the next place to investigate, are there other
> devices on the SPI that you can talk to that might at least
> verify the SPI is working? Also might be worth trying to look at
> how the chip selects are done perhaps that is not happening for
> some reason?

ok, that seems logical .
And no I cannot prove or check other devices, I just learned a lot in
the past three month about
this (driver, spi, gpio, acpi, dsdt etc. ) at all.

cheers
chris