linux-kernel - [PATCH 2/2] ASoC: fsl_micfil: correct the endian format for DSD

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Message-Id: <20251023064538.368850-3-shengjiu.wang@nxp.com>
Date: Thu, 23 Oct 2025 14:45:38 +0800
From: Shengjiu Wang <shengjiu.wang@....com>
To: shengjiu.wang@...il.com,
	Xiubo.Lee@...il.com,
	festevam@...il.com,
	nicoleotsuka@...il.com,
	lgirdwood@...il.com,
	broonie@...nel.org,
	perex@...ex.cz,
	tiwai@...e.com,
	linux-sound@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] ASoC: fsl_micfil: correct the endian format for DSD

The DSD format supported by micfil is that oldest bit is in bit 31, so
the format should be DSD little endian format.

Fixes: 21aa330fec31 ("ASoC: fsl_micfil: Add decimation filter bypass mode support")
Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
---
 sound/soc/fsl/fsl_micfil.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c
index aabd90a8b3ec..cac26ba0aa4b 100644
--- a/sound/soc/fsl/fsl_micfil.c
+++ b/sound/soc/fsl/fsl_micfil.c
@@ -131,7 +131,7 @@ static struct fsl_micfil_soc_data fsl_micfil_imx943 = {
 	.fifos = 8,
 	.fifo_depth = 32,
 	.dataline =  0xf,
-	.formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_DSD_U32_BE,
+	.formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_DSD_U32_LE,
 	.use_edma = true,
 	.use_verid = true,
 	.volume_sx = false,
@@ -823,7 +823,7 @@ static int fsl_micfil_hw_params(struct snd_pcm_substream *substream,
 		break;
 	}
 
-	if (format == SNDRV_PCM_FORMAT_DSD_U32_BE) {
+	if (format == SNDRV_PCM_FORMAT_DSD_U32_LE) {
 		micfil->dec_bypass = true;
 		/*
 		 * According to equation 29 in RM:
-- 
2.34.1