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authorChancel Liu <chancel.liu@nxp.com>2022-10-28 16:27:50 +0800
committerMark Brown <broonie@kernel.org>2022-11-01 12:15:40 +0000
commit77a7a6e9a94df0ac7ba46677b5ce4a743a931fce (patch)
treedb149f85912bccd211155952e2a948dbb6490f2c
parenta10a52541f644a1fdf8876d474f31a54c4142ccc (diff)
downloadlinux-77a7a6e9a94df0ac7ba46677b5ce4a743a931fce.tar.bz2
ASoC: fsl_micfil: Add support when using eDMA
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>
-rw-r--r--sound/soc/fsl/fsl_micfil.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c
index b8a9504441df..22e75c14cac4 100644
--- a/sound/soc/fsl/fsl_micfil.c
+++ b/sound/soc/fsl/fsl_micfil.c
@@ -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;
}