[alsa-devel] mx31 snd and mc13783 codec status

Sascha Hauer s.hauer at pengutronix.de
Wed Mar 31 10:38:20 CEST 2010

On Tue, Mar 30, 2010 at 09:40:21PM +0100, Mark Brown wrote:
> On Tue, Mar 30, 2010 at 06:23:18PM +0200, Valentin Longchamp wrote:
> > I have quickly hacked something based on what you had done for
> > pcm037 with the MC13783 codec in some of your first sound patches. I
> > know that this is not ready for mainline and I'm still struggling to
> > debug my code, but I would like to have results quite soon so that
> > my colleague could see what sounds (especially regarding to the
> > volume) our system is capable to produce.
> If you're struggling to find time to do full support for the CODEC a
> good technique is often to get just very basic fixed function support
> (say just DAC to headphone support) implemented and merged, then go back
> and implement
> I'd also suggest looking at the current Freescale BSPs - obviously this
> device is used on a lot of Freescale reference boards and I believe
> there's a reasonably mainlineish driver in the BSPs they have for
> current devices.

I think they dropped support for the MC13783 in their BSPs. The MC13783
code is still contained in sound/arm/mxc-alsa-pmic.c and a 200k file
drivers/mxc/pmic/mc13783/pmic_audio.c. That's not exactly mainlineish...


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