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Mon, 28 Sep 2026 12:37:27 +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 LBaCOoZfumoGBQAAD6G6ig (envelope-from ); Mon, 28 Sep 2026 12:37:27 +0000 Date: Mon, 28 Sep 2026 14:37:26 +0200 Message-ID: <87a4p15z7d.wl-tiwai@suse.de> From: Takashi Iwai To: Saim Masood Cc: tiwai@suse.com, perex@perex.cz, linux-sound@vger.kernel.org Subject: Re: [PATCH] ALSA: hda/realtek: Fix speakers on ASUS ExpertBook PM3606CHA In-Reply-To: <065927dd-cabf-449a-992d-64887eedda01@gmail.com> References: <065927dd-cabf-449a-992d-64887eedda01@gmail.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/30.2 Mule/6.0 Precedence: bulk X-Mailing-List: linux-sound@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-Spam-Score: -1.80 X-Spam-Level: X-Spamd-Result: default: False [-1.80 / 50.00]; BAYES_HAM(-3.00)[99.99%]; SUSPICIOUS_RECIPS(1.50)[]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-0.999]; MIME_GOOD(-0.10)[text/plain]; ARC_NA(0.00)[]; TAGGED_RCPT(0.00)[]; MIME_TRACE(0.00)[0:+]; TO_DN_SOME(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FREEMAIL_TO(0.00)[gmail.com]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,suse.de:mid] X-Spam-Flag: NO On Sat, 19 Sep 2026 02:07:09 +0200, Saim Masood wrote: > > The internal speakers of the ASUS ExpertBook PM3606CHA (Realtek ALC256, > PCI SSID 1043:3501) stay silent with the default codec setup, and the > headphone jack is not detected either. The codec needs COEF values that > differ from its power-on defaults: COEF 0x10, 0x16, 0x35, 0x37 and 0x57 > on NID 0x20 have to be set to the values used by the Windows driver. > Toggling the codec GPIOs, and the existing ALC256 fixups alone, make no > difference. > > Apply the COEFs from a new fixup at the INIT action, so that they are > restored after resume as well. Chain to ALC256_FIXUP_ASUS_MIC_NO_PRESENCE > to keep the headset mic and the jack detection working, which the > fallback pin quirk provided before for this machine. > > The COEF values were found by the reporter of the Ubuntu bug below, who > compared the codec state against the one under the Windows driver. > > Tested on an ASUS ExpertBook PM3606CHA (BIOS PM3606CHA.304) with the > change applied to v7.2.5: with this fixup alone, the speakers, the > headphones with jack detection, and the headset mic all work, also > after suspend and resume. > > Link: https://bugs.launchpad.net/bugs/2167288 > Signed-off-by: Saim Masood Applied to for-next branch. Thanks. Takashi