[alsa-devel] [PATCH 0/7] ASoC: omap: Deprecate omap-pcm for sdma-pcm

[Tony Lindgren]

* Peter Ujfalusi <peter.ujfalusi at ti.com> [180425 16:06]:
> On 04/25/2018 04:50 PM, Tony Lindgren wrote:
> > * Jarkko Nikula <jarkko.nikula at bitmer.com> [180425 03:56]:
> >> What I noticed some time ago on N810 but not time to fix it that OMAP mux
> >> change dropped muxing audio McBSP pins. Those pins are muxed by reset or
> >> bootloader to another function.
> >>
> >> Probably a few lines to arch/arm/boot/dts/omap2420-n810.dts etc.
> > 
> > Hmm do you have a link or commit id to a patch that does the muxing
> > to see which pins need to be muxed?
> 
> FWIW I have this at the moment:
> https://pastebin.com/WNT9wnD5
> 
> I see that the card is there, but I'm fighting buildroot to have nfs
> filesystem with aplay :o
> 
> There are few things going to be needed to get things in a shape, like
> converting the sound/soc/omap/n810.c to platform driver to be probed via DT.
> Proper bindings for the card,
> support for mclk handling in aic3x codec driver (n810 is hackinig that in the
> machine driver)
> 
> In theory audio _should_ work with the DT changes and the fixup in the n810.c...
> 
> Should...

Cool. The pinctrl fixes at least make sense to me, that could be
a separate patch maybe with Fixes: 5a87cde490e1 ("ARM: OMAP2+: Remove
legacy booting support for n8x0") as pointed out by Jarkko.

Regards,

Tony