On Tue, 26 Mar 2019 09:46:31 +0100, Yang, Libin wrote: > > Hi Takashi > > > > >In the case of legacy HD-audio, we "fixed" the problem by avoiding the trigger > >of async work at resume, but let it be triggered from runtime resume. In ASoC > >case, however, it's no option. > > > >Maybe a possible solution in the sound driver side would be to move from > >system suspend/resume to ASoC component suspend/resume. The runtime > >suspend/resume can be kept as is, and call pm_runtime_force_suspend and > >resume from the component suspend/resume callbacks. Since the > >component callbacks are certainly processed before DAPM events, this should > >assure the order. > > I tried to move display power setting from runtime suspend/resume to > component suspend/resume. I found there may be another issue: > playback will NOT call component suspend/resume. > This means we will never have chance to set the display power if > we don't do the S3. The runtime suspend/resume are fine and need to be kept, I suppose. The only problem is the system suspend/resume callbacks that call pm_runtime_force_*(). Just moving these two to component would work? Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
