[PATCH] ASoC: fsl_sai: Enable MCTL_MCLK_EN bit for master mode

[Fabio Estevam]

Hi Shengjiu,

On Thu, May 19, 2022 at 9:49 AM Shengjiu Wang <shengjiu.wang at nxp.com> wrote:

> diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
> index fa950dde5310..dae16a14f177 100644
> --- a/sound/soc/fsl/fsl_sai.c
> +++ b/sound/soc/fsl/fsl_sai.c
> @@ -437,6 +437,12 @@ static int fsl_sai_set_bclk(struct snd_soc_dai *dai, bool tx, u32 freq)
>                                    FSL_SAI_CR2_DIV_MASK | FSL_SAI_CR2_BYP,
>                                    savediv / 2 - 1);
>
> +       if (sai->soc_data->max_register >= FSL_SAI_MCTL) {

Isn't it a bit fragile to take this decision based on the number of
SAI registers in the SoC?

What about adding a specific field in soc_data for such a purpose?