Re: [PATCH 1/2] ASoC: simple-card-utils: add ignore_zero_sysclk flag

Kuninori Morimoto
2026-03-17T23:02:53Z

Hi

> > Commit 2458adb8f92a ("SoC: simple-card-utils: set 0Hz to
> > sysclk when shutdown") updated the simple-card-util driver to
> > send 0Hz frequency requests during stream shutdown, which can
> > request frequencies lower than a platform may support.
>
> > Add ignore_zero_sysclk flag to struct simple_util_priv to allow drivers
> > to ignore these 0Hz sysclk requests when they would result in a clock
> > frequency below the hardware's minimum allowed rate.
>
> If the driver simply can't tolerate disabling the sysclk it seems like
> it would be easier to just have the driver directly ignore attempts to
> do so rather than adding this flag which the driver has to set only to
> get it passed in?

Agree.
I think this commit can help you ?

1e1a2ef95b571825ca9c0113f6bef51e9cec98b0
("ASoC: da7213: Avoid setting PLL when closing audio stream")

Thank you for your help !!

Best regards
---
Kuninori Morimoto