From 269f399dc19f0e5c51711c3ba3bd06e0ef6ef403 Mon Sep 17 00:00:00 2001 From: Matus Gajdos Date: Wed, 12 Jul 2023 14:49:33 +0200 Subject: [PATCH] ASoC: fsl_sai: Disable bit clock with transmitter Otherwise bit clock remains running writing invalid data to the DAC. Signed-off-by: Matus Gajdos Acked-by: Shengjiu Wang Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20230712124934.32232-1-matuszpd@gmail.com Signed-off-by: Mark Brown --- sound/soc/fsl/fsl_sai.c | 2 +- sound/soc/fsl/fsl_sai.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index 54b4bf3..f7676d3 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -713,7 +713,7 @@ static void fsl_sai_config_disable(struct fsl_sai *sai, int dir) u32 xcsr, count = 100; regmap_update_bits(sai->regmap, FSL_SAI_xCSR(tx, ofs), - FSL_SAI_CSR_TERE, 0); + FSL_SAI_CSR_TERE | FSL_SAI_CSR_BCE, 0); /* TERE will remain set till the end of current frame */ do { diff --git a/sound/soc/fsl/fsl_sai.h b/sound/soc/fsl/fsl_sai.h index 8254c35..550df87 100644 --- a/sound/soc/fsl/fsl_sai.h +++ b/sound/soc/fsl/fsl_sai.h @@ -91,6 +91,7 @@ /* SAI Transmit/Receive Control Register */ #define FSL_SAI_CSR_TERE BIT(31) #define FSL_SAI_CSR_SE BIT(30) +#define FSL_SAI_CSR_BCE BIT(28) #define FSL_SAI_CSR_FR BIT(25) #define FSL_SAI_CSR_SR BIT(24) #define FSL_SAI_CSR_xF_SHIFT 16 -- 2.7.4