Re: [alsa-devel] [PATCH] ASoC: cs42888: Add codec driver support

[Fabio Estevam]

Hi Nicolin,

On Tue, Feb 25, 2014 at 12:46 AM, Nicolin Chen
<Guangyu.Chen@xxxxxxxxxxxxx> wrote:
>> So register it from the ESAI driver then.
>
> Then I think I need to find a way to pass the clock to CODEC driver...

Does this example from mxs-saif help?

commit 7c9e6150f2e7cbd60e0bc9a19118ca1dc97d2780
Author: Shawn Guo <shawn.guo@xxxxxxxxxx>
Date:   Mon Jul 1 16:16:10 2013 +0800

    ASoC: mxs: register saif mclk to clock framework

    Mostly the mxs system design uses saif0 mclk output as the clock source
    of codec.  Since the mclk is implemented as a general divider with the
    saif clk as the parent clock, let's register the mclk as a basic
    clk-divider to common clock framework.  Then with it being a clock
    provdier, clk_get() call in codec driver probe function will just work.

    Signed-off-by: Shawn Guo <shawn.guo@xxxxxxxxxx>
    Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
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