On 3/10/2021 11:44 PM, Michael Walle wrote:
Btw I'm pretty sure, the MCLK was enabled and disabled depending on whether there was an audio stream, the last time I've measured the clock.
This may be true in your case because wm8904 driver does an explicit clock enable/disable and does not rely on simple-card-utils for this. In my case it depends on simple-card-utils.