[alsa-devel] [RFC] ASoC: Add machine driver for i.MX SGTL500 based boards

Fabio Estevam festevam at gmail.com
Wed Jul 6 18:39:52 CEST 2011

On Wed, Jul 6, 2011 at 1:07 PM, Fabio Estevam <festevam at gmail.com> wrote:
> The error is coming from  dma_request_channel inside imx_ssi_dma_alloc
> function in
> sound/soc/imx-pcm-dma-mx2.c:
> iprtd->dma_chan = dma_request_channel(mask, filter, iprtd);
>        if (!iprtd->dma_chan)
>                return -EINVAL;
> Sascha,
> Would you have any suggestion as to wht the dma_request_channel fails?

Ok, no more dma_request_channel failure now and aplay can run (, but
no sound yet).

It ends the playback with:
aplay: pcm_write:1262: write error: Input/output error

Will keep debugging it.


Fabio Estevam

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