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SubjectRe: [PATCH v2 2/7] ASoC: fsl_rpmsg: Add CPU DAI driver for audio base on rpmsg
On Wed, Feb 10, 2021 at 6:30 AM Mark Brown <broonie@kernel.org> wrote:
>
> On Tue, Feb 09, 2021 at 05:16:16PM +0800, Shengjiu Wang wrote:
> > On Mon, Feb 8, 2021 at 7:53 PM Mark Brown <broonie@kernel.org> wrote:
>
> > > hw_params() can be called multiple times and there's no need for it to
> > > be balanced with hw_free(), I'd move this to a different callback (DAPM
> > > should work well).
>
> > Which callback should I use? Is there an example?
>
> Like I say I'd actually recommend moving this control to DAPM.

I may understand your point, you suggest to use the .set_bias_level
interface. But in my case I need to enable the clock in earlier stage
and keep the clock on when system go to suspend.

I am not sure .set_bias_level can met my requirement. we start
the Chinese new year holiday now, so currently I can't do test for this
recommendation.

Maybe we can keep current implementation, can we?
Later after I do the test, I can submit another patch for it.

Best regards
Wang Shengjiu

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