[PATCH] ASoC: fsl_sai: Disable bit clock with transmitter

[Shengjiu Wang]

On Wed, Jul 12, 2023 at 8:53 PM Matus Gajdos <matuszpd at gmail.com> wrote:

> Otherwise bit clock remains running writing invalid data to the DAC.
>
> Signed-off-by: Matus Gajdos <matuszpd at gmail.com>
>

Acked-by: Shengjiu Wang <shengjiu.wang at gmail.com>

Best regards
Wang Shengjiu


> ---
>  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 5e09f634c61b..dcc7fbe7acac 100644
> --- a/sound/soc/fsl/fsl_sai.c
> +++ b/sound/soc/fsl/fsl_sai.c
> @@ -719,7 +719,7 @@ 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 8254c3547b87..550df87b6a06 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
> --
> 2.25.1
>
>
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