[alsa-devel] [PATCH 1/4] ASoC: SAMSUNG: Modify I2S driver to support idma

Jassi Brar jassisinghbrar at gmail.com
Mon Jun 13 10:57:18 CEST 2011


On Mon, Jun 13, 2011 at 1:28 PM, Sangbeom Kim <sbkim73 at samsung.com> wrote:
> On Thu, Jun 9, 2011 at 8:31 PM, Jassi Brar wrote:

>> > +       case 1:
>> > +               if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
>> > +                       i2s->dma_playback.dma_size = 2;
>> > +               else
>> > +                       i2s->dma_capture.dma_size = 2;
>>
>> I2S doesn't support Mono.
> Yes, But some application require mono recording.
> It is needed mono recording support.
Sorry I don't understand.   Alsa plugins can record stereo from device
and provide
mono to applications.


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