ASoC: McASP: add support for 24 bit samples

Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index 11728cd..05a2b1e 100644 (file)
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -865,6 +865,14 @@ 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;
@@ -944,6 +952,10 @@ 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)