linux-kernel - [PATCH 3/4] ASoC: fsl_sai: separate 'is_dsp

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Message-Id: <20250328085744.1893434-4-shengjiu.wang@nxp.com>
Date: Fri, 28 Mar 2025 16:57:43 +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 3/4] ASoC: fsl_sai: separate 'is_dsp_mode' for tx and rx

The transmitter and receiver of SAI can be used for different dsp modes,
then 'is_dsp_mode' needs to be separated.

Expand 'is_dsp_mode' to array 'is_dsp_mode[]' to support different
configuration of tx and rx.

Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
---
 sound/soc/fsl/fsl_sai.c | 8 ++++----
 sound/soc/fsl/fsl_sai.h | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
index 9a450fc86dba..09054e339b31 100644
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -287,7 +287,7 @@ static int fsl_sai_set_dai_fmt_tr(struct snd_soc_dai *cpu_dai,
 		val_cr4 |= FSL_SAI_CR4_MF;
 
 	sai->is_pdm_mode = false;
-	sai->is_dsp_mode = false;
+	sai->is_dsp_mode[tx] = false;
 	/* DAI mode */
 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 	case SND_SOC_DAIFMT_I2S:
@@ -316,7 +316,7 @@ static int fsl_sai_set_dai_fmt_tr(struct snd_soc_dai *cpu_dai,
 		 */
 		val_cr2 |= FSL_SAI_CR2_BCP;
 		val_cr4 |= FSL_SAI_CR4_FSE;
-		sai->is_dsp_mode = true;
+		sai->is_dsp_mode[tx] = true;
 		break;
 	case SND_SOC_DAIFMT_DSP_B:
 		/*
@@ -324,7 +324,7 @@ static int fsl_sai_set_dai_fmt_tr(struct snd_soc_dai *cpu_dai,
 		 * frame sync asserts with the first bit of the frame.
 		 */
 		val_cr2 |= FSL_SAI_CR2_BCP;
-		sai->is_dsp_mode = true;
+		sai->is_dsp_mode[tx] = true;
 		break;
 	case SND_SOC_DAIFMT_PDM:
 		val_cr2 |= FSL_SAI_CR2_BCP;
@@ -607,7 +607,7 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream,
 		}
 	}
 
-	if (!sai->is_dsp_mode && !sai->is_pdm_mode)
+	if (!sai->is_dsp_mode[tx] && !sai->is_pdm_mode)
 		val_cr4 |= FSL_SAI_CR4_SYWD(slot_width);
 
 	val_cr5 |= FSL_SAI_CR5_WNW(slot_width);
diff --git a/sound/soc/fsl/fsl_sai.h b/sound/soc/fsl/fsl_sai.h
index 0e25e2fc7ce0..3f9357da0d8f 100644
--- a/sound/soc/fsl/fsl_sai.h
+++ b/sound/soc/fsl/fsl_sai.h
@@ -286,7 +286,7 @@ struct fsl_sai {
 
 	bool is_consumer_mode[2];
 	bool is_lsb_first;
-	bool is_dsp_mode;
+	bool is_dsp_mode[2];
 	bool is_pdm_mode;
 	bool is_multi_fifo_dma;
 	bool synchronous[2];
-- 
2.34.1