Re: [alsa-devel] [PATCH] ASoC: davinci-mcasp: Fix S24_LE and U24_LE support

On 06/26/2014 07:09 AM, Peter Ujfalusi wrote:

In case of S24_LE/U24_LE modes we expect 24bits on the bus while the samples are stored and transferred in memory on 32bits (lower 3 bytes of the 4 bytes).

Signed-off-by: Peter Ujfalusi peter.ujfalusi@ti.com

Tested-by: Daniel Mack daniel@zonque.org

Thanks! Daniel

---

sound/soc/davinci/davinci-mcasp.c | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c index 9afb14629a17..6d5de26eae2f 100644 --- a/sound/soc/davinci/davinci-mcasp.c +++ b/sound/soc/davinci/davinci-mcasp.c @@ -720,6 +720,10 @@ static int davinci_mcasp_hw_params(struct snd_pcm_substream *substream,

case SNDRV_PCM_FORMAT_U24_LE: case SNDRV_PCM_FORMAT_S24_LE:

• dma_params->data_type = 4;
  

• word_length = 24;
  

• break;
  

• case SNDRV_PCM_FORMAT_U32_LE: case SNDRV_PCM_FORMAT_S32_LE: dma_params->data_type = 4;