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>
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index 6553b19..6ac7b82 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -559,6 +559,17 @@
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 @@
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;