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

[Daniel Mack]

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 at ti.com>

Tested-by: Daniel Mack <daniel at 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;
>