[PATCH 1/2] ASoC: nau8822: Add operation for internal PLL off and on

Mark Brown broonie at kernel.org
Thu Jun 2 12:33:10 CEST 2022


On Thu, Jun 02, 2022 at 05:57:43PM +0800, Hui Wang wrote:
> On 6/2/22 17:24, David Lin wrote:
> > On 2022/5/30 下午 12:01, Hui Wang wrote:

> > So when the playback/recording starts, the PLL parameters from Reg
> > 0x25~0x27 will be always set before Reg 0x1[5] power enable bit(PLLEN).
> > When the playback/recording stops, the PLLEN will be disabled.

> Thanks for your comment. But it is weird, it doesn't work like you said,
> probably need specific route setting in the machine driver level?

Is this triggering due to reprogramming the PLL for one direction
while the other is already active (eg, starting a capture during
a playback)?
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