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ASoC: fsl_micfil: Add support when using eDMA

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On i.MX93 platform MICFIL uses eDMA. The maxburst should be set to the
number of channels in eDMA multiple FIFO mode.

Signed-off-by: Chancel Liu <chancel.liu@nxp.com>
Acked-by: Shengjiu Wang <shengjiu.wang@gmail.com>
Link: https://lore.kernel.org/r/20221028082750.991822-4-chancel.liu@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Chancel Liu 2022-10-28 16:27:50 +08:00 committed by Mark Brown
parent a10a52541f
commit 77a7a6e9a9
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1 changed files with 4 additions and 0 deletions
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4
sound/soc/fsl/fsl_micfil.c
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@ -63,6 +63,7 @@ struct fsl_micfil_soc_data {
unsigned int fifo_depth;
unsigned int dataline;
bool imx;
bool use_edma;
u64 formats;
};
@ -88,6 +89,7 @@ static struct fsl_micfil_soc_data fsl_micfil_imx93 = {
.fifo_depth = 32,
.dataline = 0xf,
.formats = SNDRV_PCM_FMTBIT_S32_LE,
.use_edma = true,
};
static const struct of_device_id fsl_micfil_dt_ids[] = {
@ -690,6 +692,8 @@ static int fsl_micfil_hw_params(struct snd_pcm_substream *substream,
micfil->sdmacfg.n_fifos_src = channels;
micfil->sdmacfg.sw_done = true;
micfil->dma_params_rx.maxburst = channels * MICFIL_DMA_MAXBURST_RX;
if (micfil->soc->use_edma)
micfil->dma_params_rx.maxburst = channels;
return 0;
}