[PATCH v2] ASoC: wm8962: Wait for updated value of WM8962_CLOCKING1 register
Charles Keepax
ckeepax at opensource.cirrus.com
Wed Nov 9 17:24:12 CET 2022
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 at nxp.com>
> ---
Acked-by: Charles Keepax <ckeepax at opensource.cirrus.com>
Thanks,
Charles
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