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

[Fabio Estevam]

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.

Regards,

Fabio Estevam