[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


More information about the Alsa-devel mailing list