On Tue, Aug 06, 2019 at 06:12:11PM +0300, Daniel Baluta wrote:
> Tx channel enable (TCE) / Rx channel enable (RCE) bits
> enable corresponding data channel for Tx/Rx operation.
>
> Because SAI supports up the 8 channels TCE/RCE occupy
> up the 8 bits inside TCR3/RCR3 registers we need to extend
> the mask to reflect this.
>
> Signed-off-by: Daniel Baluta <daniel.baluta@xxxxxxx>
Acked-by: Nicolin Chen <nicoleotsuka@xxxxxxxxx>
Thanks
> ---
> sound/soc/fsl/fsl_sai.c | 6 ++++--
> sound/soc/fsl/fsl_sai.h | 1 +
> 2 files changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
> index 17b0aff4ee8b..637b1d12a575 100644
> --- a/sound/soc/fsl/fsl_sai.c
> +++ b/sound/soc/fsl/fsl_sai.c
> @@ -599,7 +599,8 @@ static int fsl_sai_startup(struct snd_pcm_substream *substream,
> bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
> int ret;
>
> - regmap_update_bits(sai->regmap, FSL_SAI_xCR3(tx), FSL_SAI_CR3_TRCE,
> + regmap_update_bits(sai->regmap, FSL_SAI_xCR3(tx),
> + FSL_SAI_CR3_TRCE_MASK,
> FSL_SAI_CR3_TRCE);
>
> ret = snd_pcm_hw_constraint_list(substream->runtime, 0,
> @@ -614,7 +615,8 @@ static void fsl_sai_shutdown(struct snd_pcm_substream *substream,
> struct fsl_sai *sai = snd_soc_dai_get_drvdata(cpu_dai);
> bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
>
> - regmap_update_bits(sai->regmap, FSL_SAI_xCR3(tx), FSL_SAI_CR3_TRCE, 0);
> + regmap_update_bits(sai->regmap, FSL_SAI_xCR3(tx),
> + FSL_SAI_CR3_TRCE_MASK, 0);
> }
>
> static const struct snd_soc_dai_ops fsl_sai_pcm_dai_ops = {
> diff --git a/sound/soc/fsl/fsl_sai.h b/sound/soc/fsl/fsl_sai.h
> index 4bb478041d67..20c5b9b1e8bc 100644
> --- a/sound/soc/fsl/fsl_sai.h
> +++ b/sound/soc/fsl/fsl_sai.h
> @@ -110,6 +110,7 @@
>
> /* SAI Transmit and Receive Configuration 3 Register */
> #define FSL_SAI_CR3_TRCE BIT(16)
> +#define FSL_SAI_CR3_TRCE_MASK GENMASK(23, 16)
> #define FSL_SAI_CR3_WDFL(x) (x)
> #define FSL_SAI_CR3_WDFL_MASK 0x1f
>
> --
> 2.17.1
>
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