Re: [PATCH v2] ASoC: wm8962: Wait for updated value of WM8962_CLOCKING1 register

From: Charles Keepax
Date: Wed Nov 09 2022 - 11:25:32 EST


On Wed, Nov 09, 2022 at 08:13:54PM +0800, Chancel Liu wrote:
> DSPCLK_DIV field in WM8962_CLOCKING1 register is used to generate
> correct frequency of LRCLK and BCLK. Sometimes the read-only value
> can't be updated timely after enabling SYSCLK. This results in wrong
> calculation values. Delay is introduced here to wait for newest value
> from register. The time of the delay should be at least 500~1000us
> according to test.
>
> Signed-off-by: Chancel Liu <chancel.liu@xxxxxxx>
> ---

Acked-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx>

Thanks,
Charles