From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tino Keitel Subject: 2.6.29 regression: left audio channel broken after resume from suspend with Intel HDA Date: Mon, 20 Apr 2009 20:40:24 +0200 Message-ID: <20090420184024.GA10155@dose.home.local> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, tiwai@suse.de List-Id: alsa-devel@alsa-project.org Hi, since 2.6.29 and also with 2.6.29.1 the left audio channel of the digital output of my Mac mini Core 2 Duo is noisy. This didn't happen with 2.6.28. Unloading snd-hda-intel and reloading it does fix the noisy sound. This happened with some older versions of the Linux kernel (with an older Mac mini Core Duo, I don't remeber which kernel version), but got fixed at some point. Now it happens again with 2.6.29. Here is the dmesg output for the sound hardware: HDA Intel 0000:00:1b.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22 HDA Intel 0000:00:1b.0: setting latency timer to 64 hda_codec: STAC922x, Apple subsys_id=100 input: HDA Intel Line In at Ext Left Jack as /class/input/input18 input: HDA Intel Mic at Ext Left Jack as /class/input/input19 input: HDA Intel HP Out at Ext Left Jack as /class/input/input20 Any hints what I could try to fix this, maybe some commit that I should try to revert? Regards, Tino