[alsa-devel] [PATCH 1/1] mx27_3ds: Add sound support

Fabio Estevam festevam at gmail.com
Mon Aug 6 15:36:32 CEST 2012

Hi Gaëtan,

On Mon, Aug 6, 2012 at 10:07 AM, Gaëtan Carlier <gcembed at gmail.com> wrote:
> Hi,
> I have ported code "Enable sound on mx31_3ds" from Philippe Rétornaz to
> MX27 3DS platform on master branch of linux-next (tag next-20120806).
> I also applied patch "dma: imx-dma: Fix kernel crash due to missing clock
> conversion" of Fabio Estevam which is not yet merged in linux-next.
> Thanks to them, everything is working good on MX27 3DS platform except that
> sound is played too fast.
> Which parameter must be adjusted to have sound playing at normal speed ?
> In mc13783 codec driver, imx_add_imx_ssi(), clock configuration in
> mach-mx27_3ds file ?
> Thanks for your help.
> Signed-off-by: Gaëtan Carlier <gcembed at gmail.com>

I have added audio support for mx27pdk:

,and in my tests the audio was played at the correct rate.

Can you please have a try?

What is the sampling rate of your file?


Fabio Estevam

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