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Re: [PATCH V2 01/10] ASoc: mxs: add mxs-pcm driver |
On Tue, Jul 12, 2011 at 11:04:36PM +0800, Dong Aisheng wrote:
> + if (dai->driver->capture.channels_min) {
> + ret = mxs_pcm_preallocate_dma_buffer(pcm,
> + SNDRV_PCM_STREAM_CAPTURE);
> + if (ret)
> + goto out;
> + }
For robustness replace the channels_min check with a check for the
relevant substream being present (see pxa2xx-pcm.c for a recent
example).
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