> -----Original Message----- > From: Kai-Heng Feng [mailto:kai.heng.feng@xxxxxxxxxxxxx] > Sent: Tuesday, March 21, 2017 1:26 PM > To: Mark Brown > Cc: Liam Girdwood; Bard Liao; Oder Chiou; alsa-devel@xxxxxxxxxxxxxxxx; > linux-kernel@xxxxxxxxxxxxxxx > Subject: Re: [PATCH v3] ASoC: rt286: fix headphone click/crack noise on Dell > XPS 9343 I2S mode > > > >> I had the same thought originally, but printk under each case suggests > >> otherwise - _POST_PMU is triggered not right after _PRE_PMU but right > >> before _PRE_PMD. > > > > Then you've broken something else on your system, that is obviously > > completely nonsensical and would break anything that relies on having a > > _POST_PMU event. Why would we have two events that run at the same > time > > one of which is obviously misnamed? > > Hmm, that's weird though. I did the same test to rt286_spk_event() > (without applying the patch I sent), what I observed was the same: > _POST_PMU was triggered right after I stopped play sound, i.e. right > before _PRE_PMD not right after _PRE_PMU. > Although I don't think it will happen on my side, but I still ran the same test as you. The result is just as what we expected, _PRE_PMU and _POST_PMU run on powering up stage and _PRE_PMD and _POST_PMD run on powering down stage. Please check what's going on with your system. > ------Please consider the environment before printing this e-mail. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
