From: Matus Gajdos <matuszpd@xxxxxxxxx> commit 269f399dc19f0e5c51711c3ba3bd06e0ef6ef403 upstream. Otherwise bit clock remains running writing invalid data to the DAC. Signed-off-by: Matus Gajdos <matuszpd@xxxxxxxxx> Acked-by: Shengjiu Wang <shengjiu.wang@xxxxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Link: https://lore.kernel.org/r/20230712124934.32232-1-matuszpd@xxxxxxxxx Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- sound/soc/fsl/fsl_sai.c | 2 +- sound/soc/fsl/fsl_sai.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -552,7 +552,7 @@ static void fsl_sai_config_disable(struc 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 { --- a/sound/soc/fsl/fsl_sai.h +++ b/sound/soc/fsl/fsl_sai.h @@ -87,6 +87,7 @@ /* 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
