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Commit 588fb705 authored by Sangsu Park's avatar Sangsu Park Committed by Mark Brown
Browse files

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: default avatarSangsu Park <sangsu4u.park@samsung.com>
Signed-off-by: default avatarSangbeom Kim <sbkim73@samsung.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 181a6892

sound/soc/samsung/i2s.c

+12 −1
Original line number Diff line number Diff line
@@ -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;