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| author | Sangsu Park <sangsu4u.park@samsung.com> | 2012-03-16 15:40:53 +0900 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-03-16 18:50:41 +0000 |
| commit | 588fb705d560cd76d435382fb25bea7349672d80 (patch) | |
| tree | 4f734971fb6bd0b67d7b04f53ca65c98f3ae8aaf | |
| parent | 181a68927b9e6ff7c0ea093c2f056eeb0552a911 (diff) | |
| download | linux-stable-588fb705d560cd76d435382fb25bea7349672d80.tar.gz linux-stable-588fb705d560cd76d435382fb25bea7349672d80.tar.bz2 linux-stable-588fb705d560cd76d435382fb25bea7349672d80.zip | |
ASoC: Samsung: Added to support mono recording
The dma size will be changed by requested number of
channel(mono/stereo) from platform. For mono recording,
channels_min value should be 1.
Signed-off-by: Sangsu Park <sangsu4u.park@samsung.com>
Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
| -rw-r--r-- | sound/soc/samsung/i2s.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c index 6553b19c70c7..6ac7b8281a02 100644 --- a/sound/soc/samsung/i2s.c +++ b/sound/soc/samsung/i2s.c @@ -559,6 +559,17 @@ static int i2s_hw_params(struct snd_pcm_substream *substream, mod |= MOD_DC1_EN; break; case 2: + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + i2s->dma_playback.dma_size = 4; + else + i2s->dma_capture.dma_size = 4; + break; + case 1: + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + i2s->dma_playback.dma_size = 2; + else + i2s->dma_capture.dma_size = 2; + break; default: dev_err(&i2s->pdev->dev, "%d channels not supported\n", @@ -963,7 +974,7 @@ struct i2s_dai *i2s_alloc_dai(struct platform_device *pdev, bool sec) i2s->i2s_dai_drv.playback.formats = SAMSUNG_I2S_FMTS; if (!sec) { - i2s->i2s_dai_drv.capture.channels_min = 2; + i2s->i2s_dai_drv.capture.channels_min = 1; i2s->i2s_dai_drv.capture.channels_max = 2; i2s->i2s_dai_drv.capture.rates = SAMSUNG_I2S_RATES; i2s->i2s_dai_drv.capture.formats = SAMSUNG_I2S_FMTS; |