diff options
| author | Adrian Alonso <adrian.alonso@nxp.com> | 2020-06-03 13:03:34 -0500 |
|---|---|---|
| committer | Adrian Alonso <adrian.alonso@nxp.com> | 2020-06-05 10:22:19 -0500 |
| commit | 4169c352d3ec9c5b82376f6928203b043db512ed (patch) | |
| tree | a6d79dc450fd1d676e4294842eeb9f3e3949a8a6 | |
| parent | 8504adc81ae7947f1e9142e9ccd79947820f5d6d (diff) | |
MLK-24230: sound: soc fsl: imx pdm add dsd format constraints
Add DSD_U8, DSD_U16_LE and DSD_U32_LE format constrains
in order to use SAI DSD settings for handling multi
channel capture streams. One channel per dataline.
Signed-off-by: Adrian Alonso <adrian.alonso@nxp.com>
Reviewed-by: Viorel Suman <viorel.suman@nxp.com>
| -rw-r--r-- | sound/soc/fsl/imx-pdm.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/sound/soc/fsl/imx-pdm.c b/sound/soc/fsl/imx-pdm.c index 3cca30131981..3fdbc00a7279 100644 --- a/sound/soc/fsl/imx-pdm.c +++ b/sound/soc/fsl/imx-pdm.c @@ -17,6 +17,10 @@ #include "fsl_sai.h" +#define IMX_PDM_FORMATS (SNDRV_PCM_FMTBIT_DSD_U8 | \ + SNDRV_PCM_FMTBIT_DSD_U16_LE | \ + SNDRV_PCM_FMTBIT_DSD_U32_LE) + struct imx_pdm_data { struct snd_soc_dai_link dai; struct snd_soc_card card; @@ -57,7 +61,15 @@ static int imx_pdm_mic_startup(struct snd_pcm_substream *substream) SNDRV_PCM_HW_PARAM_CHANNELS, &imx_pdm_mic_channels_constrains); if (ret) { dev_err(card->dev, - "fail to set pcm hw channels constrains: %d", ret); + "fail to set pcm hw channels constrains: %d\n", ret); + return ret; + } + + ret = snd_pcm_hw_constraint_mask64(runtime, + SNDRV_PCM_HW_PARAM_FORMAT, IMX_PDM_FORMATS); + if (ret) { + dev_err(card->dev, + "fail to set pcm hw format constrains: %d\n", ret); return ret; } |