Re: [PATCH] ASoC: wm8962: Relax bit clock divider searching

From: Daniel Baluta
Date: Fri Mar 05 2021 - 07:44:27 EST


On Fri, Mar 5, 2021 at 1:15 AM Shengjiu Wang <shengjiu.wang@xxxxxxx> wrote:
>
> With S20_3LE format case, the sysclk = rate * 384,
> the bclk = rate * 20 * 2, there is no proper bclk divider
> for 384 / 40, because current condition needs exact match.
> So driver fails to configure the clocking:
>
> wm8962 3-001a: Unsupported BCLK ratio 9
>
> Fix this by relaxing bitclk divider searching, so that when
> no exact value can be derived from sysclk pick the closest
> value greater than expected bitclk.
>
> Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx>

Reviewed-by: Daniel Baluta <daniel.baluta@xxxxxxx>