[alsa-devel] [PATCH] ASoC: SAMSUNG: Add sound card driver for Snow board

Mark Brown broonie at kernel.org
Tue Apr 22 20:33:10 CEST 2014

On Tue, Apr 22, 2014 at 07:17:54PM +0530, Tushar Behera wrote:
> On 22 April 2014 16:14, Mark Brown <broonie at kernel.org> wrote:

> > In general this isn't up to modern standards, please do try to check
> > that new code is following best practices.  Did the support for setting
> > the clocking up in the device tree get merged already?

> I didn't get this point. Would you please elaborate?

The out of tree driver for these boards has a bunch of code in it which
reprograms the clock tree that parents the I2S block so that the I2S
block has inputs at suitable rates to allow it to generate useful

> > Please do also pay attention to the CC lists when posting patches, this
> > seems to have been sent to a fairly random selection of people and
> > lists.

> Okay, I will update the CC list as per get_maintainer script during
> next revision.

Please think about the results when doing that - get_maintainers is very
useful but it does generate false positives and miss people.

> >> +     ret = snd_soc_dai_set_clkdiv(cpu_dai, SAMSUNG_I2S_DIV_BCLK, bfs);
> >> +     if (ret < 0)
> >> +             return ret;

> > Set this stuff up on probe.  I'm surprised that you need to set BCLK at
> > all...
> >

> Should I create a late_probe call for this (in line with tobermory.c)?

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