From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jonathan McDowell Subject: Re: Audio crackles with 4.1-rc1 Date: Sat, 2 May 2015 16:05:13 +0100 Message-ID: <20150502150513.GF10148@earth.li> References: <20150428112156.GQ10148@earth.li> <20150428123518.GU10148@earth.li> <20150429112859.GY10148@earth.li> <20150430150131.GA10148@earth.li> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Takashi Iwai Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org List-Id: alsa-devel@alsa-project.org On Thu, Apr 30, 2015 at 07:06:31PM +0200, Takashi Iwai wrote: > At Thu, 30 Apr 2015 16:01:31 +0100, Jonathan McDowell wrote: > > > > On Wed, Apr 29, 2015 at 01:54:57PM +0200, Takashi Iwai wrote: > > > > > > One patch you can try (with or without power_save_node > > > disablement) is below, it squashes the verb sequences at (runtime) > > > PM resume as we did for 4.0. Let me know if this changes the > > > behavior. > > > > Patch alone has no effect. Patch with power_save_node disablement > > solves the problem. Didn't try power_save_node disablement without > > the patch. > > Then please confirm that only power_save_node disablement suffices. > This can be considered as the least change that can be put to 4.1-rc > if no better fix is found. Setting codec->power_save_node to 0 in patch_alc269 is sufficient; no noticeable cracking occurring. J. -- Beware of programmers carrying screwdrivers.