[alsa-devel] Why is SND_PCM_FORMAT_S32_LE not able to be set and passed to Linux Kernel Asoc?

[Peter Ujfalusi]

On 12/28/2010 06:22 PM, ext Philip Chu wrote:
> I also added S32_LE support for twl4030 codec. But the thing is, the user land ALSA API is still asking for S16_LE (observed from the pcm_native.c from kernel) even when I am using SND_PCM_FORMAT_S32_LE in my application code as shown in my 1st post.

You should try this patch for the twl4030:
http://mailman.alsa-project.org/pipermail/alsa-devel/2010-December/034792.html

I used aplay/arecord for testing the 32/24 bit support, and it was fine
on the twl4030 codec.

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