From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752362AbbCLG3f (ORCPT ); Thu, 12 Mar 2015 02:29:35 -0400 Received: from cantor2.suse.de ([195.135.220.15]:40881 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751181AbbCLG3e (ORCPT ); Thu, 12 Mar 2015 02:29:34 -0400 Date: Thu, 12 Mar 2015 07:29:32 +0100 Message-ID: From: Takashi Iwai To: Fengguang Wu Cc: LKML , lkp@01.org, Li Zexi Subject: Re: [ALSA] f2c5784f827: snd_hda_codec_hdmi hdaudioC1D0: Unable to sync register 0x4f0009. -5 In-Reply-To: <20150312040104.GB12618@wfg-t540p.sh.intel.com> References: <20150312040104.GB12618@wfg-t540p.sh.intel.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/24.4 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org At Thu, 12 Mar 2015 12:01:04 +0800, Fengguang Wu wrote: > > Hi Takashi, > > We noticed the below dmesg errors on > > git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git topic/hda-regmap > commit f2c5784f82792221990f708dff42a71a4a51b721 ("ALSA: hda - Use regmap for amp accesses") > > <6>[ 17.709789] snd_hda_intel 0000:02:00.1: Disabling MSI > <6>[ 17.710115] snd_hda_intel 0000:02:00.1: Handle VGA-switcheroo audio client > <6>[ 17.748128] snd_hda_codec_realtek hdaudioC0D2: autoconfig for ALC898: line_outs=3 (0x14/0x15/0x16/0x0/0x0) type:line > <6>[ 17.748729] snd_hda_codec_realtek hdaudioC0D2: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0) > <6>[ 17.749253] snd_hda_codec_realtek hdaudioC0D2: hp_outs=1 (0x1b/0x0/0x0/0x0/0x0) > <6>[ 17.749735] snd_hda_codec_realtek hdaudioC0D2: mono: mono_out=0x0 > <6>[ 17.750102] snd_hda_codec_realtek hdaudioC0D2: dig-out=0x1e/0x0 > <6>[ 17.750456] snd_hda_codec_realtek hdaudioC0D2: inputs: > <6>[ 17.750788] snd_hda_codec_realtek hdaudioC0D2: Front Mic=0x19 > <6>[ 17.751140] snd_hda_codec_realtek hdaudioC0D2: Rear Mic=0x18 > <6>[ 17.751494] snd_hda_codec_realtek hdaudioC0D2: Line=0x1a > <6>[ 17.765185] input: HDA Intel PCH Front Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input2 > <6>[ 17.765787] input: HDA Intel PCH Rear Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input3 > <6>[ 17.765845] input: HDA Intel PCH Line as /devices/pci0000:00/0000:00:1b.0/sound/card0/input4 > <6>[ 17.765895] input: HDA Intel PCH Line Out Front as /devices/pci0000:00/0000:00:1b.0/sound/card0/input5 > <6>[ 17.765958] input: HDA Intel PCH Line Out Surround as /devices/pci0000:00/0000:00:1b.0/sound/card0/input6 > <6>[ 17.765999] input: HDA Intel PCH Line Out CLFE as /devices/pci0000:00/0000:00:1b.0/sound/card0/input7 > <6>[ 17.766041] input: HDA Intel PCH Front Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input8 > <6>[ 17.896645] input: HDA NVidia HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:02.0/0000:02:00.1/sound/card1/input9 > <6>[ 17.897272] input: HDA NVidia HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:02.0/0000:02:00.1/sound/card1/input10 > <6>[ 17.897914] input: HDA NVidia HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:02.0/0000:02:00.1/sound/card1/input11 > <6>[ 17.898581] input: HDA NVidia HDMI/DP,pcm=9 as /devices/pci0000:00/0000:00:02.0/0000:02:00.1/sound/card1/input12 > <3>[ 17.919298] snd_hda_codec_hdmi hdaudioC1D0: Unable to sync register 0x4f0009. -5 > <3>[ 17.929749] snd_hda_codec_realtek hdaudioC0D2: Unable to sync register 0x2f000a. -5 > <3>[ 17.930271] snd_hda_codec_realtek hdaudioC0D2: Unable to sync register 0x2f000a. -5 This is a known bug of regmap, and the fix was already submitted to Mark, found on linux-next: commit 4ceba98d3fe204c59e5f63c4d834b45dcfe789f0 regmap: Skip read-only registers in regcache_sync() Once when it's merged to Linus tree, I'll either rebase my branch or merge the fix. thanks, Takashi