[alsa-devel] [PATCH] ASoC: sgtl5000: Do not read registers prior to turning on the supplies

[Marek Vasut]

Hi Fabio,

> On Fri, May 31, 2013 at 12:45 PM, Marek Vasut <marex at denx.de> wrote:
> > Ah, that's _very_ likely. I think the chip will NAK I2C communication
> > without having clock supplied to it. I did look into this stuff with an
> > LA yesterday night and I saw the 2-byte write followed by I2C NAK.
> 
> Yes, I haven't had a chance to try enabling the saif clock earlier and
> I am currently out of office.

Send me a patch if you have time and I'll test it.

Best regards,
Marek Vasut