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Thu, 28 May 2026 14:07:06 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id E+LNEQpMGGrUZgAAD6G6ig (envelope-from ); Thu, 28 May 2026 14:07:06 +0000 Date: Thu, 28 May 2026 16:07:05 +0200 Message-ID: <87mrxjsk52.wl-tiwai@suse.de> From: Takashi Iwai To: Mike Karcic Cc: Takashi Iwai , Sean Rhodes , "stable@vger.kernel.org" , "regressions@lists.linux.dev" , "linux-sound@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [REGRESSION] Speaker pop/chirp on Meteor Lake ALC287 (17aa:231e) -- 6.12.73 to 6.12.85 In-Reply-To: References: <87eciwukvy.wl-tiwai@suse.de> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/30.2 Mule/6.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Rspamd-Action: no action X-Rspamd-Queue-Id: 8558866D80 X-Spam-Flag: NO X-Spam-Score: -3.51 X-Spam-Level: X-Spamd-Result: default: False [-3.51 / 50.00]; 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RCVD_VIA_SMTP_AUTH(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:mid,suse.de:dkim,imap1.dmz-prg2.suse.org:rdns,imap1.dmz-prg2.suse.org:helo] On Thu, 28 May 2026 15:38:54 +0200, Mike Karcic wrote: > > I did test 46c862f5419e on 6.12.90. Chirp still present. > > I'm also on a ThinkPad X1 Carbon Gen 12 with ALC287 (17aa:231e), > same as the original reporter. The fix resolved it for them but > not for me. > > Only a full revert of 630fbc6e870e resolves the issue. > > Verification on the running kernel: > > $ grep -c "dis_coefs" sound/pci/hda/patch_realtek.c > 2 > > $ grep -c "en_coefs" sound/pci/hda/patch_realtek.c > 0 > > $ sed -n '/alc287_alc1318_playback_pcm_hook/,/^}/p' sound/pci/hda/patch_realtek.c > static void alc287_alc1318_playback_pcm_hook(struct hda_pcm_stream *hinfo, > struct hda_codec *codec, > struct snd_pcm_substream *substream, > int action) > { > switch (action) { > case HDA_GEN_PCM_ACT_OPEN: > alc_write_coefex_idx(codec, 0x5a, 0x00, 0x954f); > break; > case HDA_GEN_PCM_ACT_CLOSE: > alc_write_coefex_idx(codec, 0x5a, 0x00, 0x554f); > break; > } > } > > Happy to test further patches. Just to be sure, could you verify that you've tested really the patched kernel, e.g. by adding a debug print, etc? If yes and the problem is seen even with the patch, try to comment out alc_process_coef_fw(codec, dis_coefs); and confirm that this fixes the problem. Takashi