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ALSA: ASoC: McASP: add support for 24 bit samples

PATCH Applied Daniel Mack 2 participants 2 messages Oct 9, 2012

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Daniel Mack

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PATCH v2 1/1 ALSA: ASoC: McASP: add support for 24 bit samples

Signed-off-by Daniel Mack <[email protected]>
Cc Hebbar, Gururaja <[email protected]>
Cc Matt Porter <[email protected]>

---
v2: also enable 24bit in the DAI

 sound/soc/davinci/davinci-mcasp.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
sound/soc/davinci/davinci-mcasp.c +12 -0
index 1252bad..76728be 100644
@@ -839,6 +839,14 @@ static int davinci_mcasp_hw_params(struct snd_pcm_substream *substream,
 		word_length = DAVINCI_AUDIO_WORD_16;
 		break;
 
+	case SNDRV_PCM_FORMAT_U24_3LE:
+	case SNDRV_PCM_FORMAT_S24_3LE:
+	case SNDRV_PCM_FORMAT_U24_LE:
+	case SNDRV_PCM_FORMAT_S24_LE:
+		dma_params->data_type = 3;
+		word_length = DAVINCI_AUDIO_WORD_24;
+		break;
+
 	case SNDRV_PCM_FORMAT_U32_LE:
 	case SNDRV_PCM_FORMAT_S32_LE:
 		dma_params->data_type = 4;

@@ -917,6 +925,10 @@ static const struct snd_soc_dai_ops davinci_mcasp_dai_ops = {
 				SNDRV_PCM_FMTBIT_U8 | \
 				SNDRV_PCM_FMTBIT_S16_LE | \
 				SNDRV_PCM_FMTBIT_U16_LE | \
+				SNDRV_PCM_FMTBIT_S24_LE | \
+				SNDRV_PCM_FMTBIT_U24_LE | \
+				SNDRV_PCM_FMTBIT_S24_3LE | \
+				SNDRV_PCM_FMTBIT_U24_3LE | \
 				SNDRV_PCM_FMTBIT_S32_LE | \
 				SNDRV_PCM_FMTBIT_U32_LE)
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