On Mon, Dec 17, 2018 at 06:23:43PM +0200, Dimitris Papavasiliou wrote: > On 12/17/18 5:40 PM, Mark Brown wrote: > > That's why I was suggesting that you should be configuring the power > > down time. > I've already tried your suggestion, but unfortunately it doesn't > work in the general case, as it doesn't help when the hw_params > callback is called while the device is opened (but not playing). The device being open shouldn't have any impact on the power state? > > Unfortunately none of this helps. Although the chip is turned > > off without delay, it's turned off only while the device is > > closed. As soon as the device is opened, it is turned on and > > kept on during all subsequent hw_params calls, where clock > > switching takes place. The pops always get through. I would expect the stream to be closed and reopened by most applications in between reconfigurations like that, it certainly used to be the common pattern.
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