[PATCH v2] ASoC: fsl_sai: Fix channel swap issue on i.MX8MP

[Daniel Baluta]

On Tue, Dec 19, 2023 at 5:12 AM Shengjiu Wang <shengjiu.wang at nxp.com> wrote:
>
> When flag mclk_with_tere and mclk_direction_output enabled,
> The SAI transmitter or receiver will be enabled in very early
> stage, that if FSL_SAI_xMR is set by previous case,
> for example previous case is one channel, current case is
> two channels, then current case started with wrong xMR in
> the beginning, then channel swap happen.
>
> The patch is to clear xMR in hw_free() to avoid such
> channel swap issue.
>
> Fixes: 3e4a82612998 ("ASoC: fsl_sai: MCLK bind with TX/RX enable bit")
> Signed-off-by: Shengjiu Wang <shengjiu.wang at nxp.com>

Reviewed-by: Daniel Baluta <daniel.baluta at nxp.com>