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Mon, 5 Oct 2026 16:06:25 +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 e36lOgDLw2pqHgAAD6G6ig (envelope-from ); Mon, 05 Oct 2026 16:06:25 +0000 Date: Mon, 05 Oct 2026 18:06:24 +0200 Message-ID: <87y0ccqghr.wl-tiwai@suse.de> From: Takashi Iwai To: Scott Gauche Cc: Takashi Iwai , Jaroslav Kysela , linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] ALSA: hda/realtek: Fix audio after Windows reboot on ASUS Q423SA In-Reply-To: <20261005154017.1164657-1-scott-dev@scottgauche.com> References: <87se2ksaqb.wl-tiwai@suse.de> <20261005154017.1164657-1-scott-dev@scottgauche.com> 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-Spamd-Result: default: False [-3.30 / 50.00]; BAYES_HAM(-3.00)[100.00%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MIME_TRACE(0.00)[0:+]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; ARC_NA(0.00)[]; RCVD_TLS_ALL(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_FIVE(0.00)[5]; FROM_EQ_ENVFROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:mid,imap1.dmz-prg2.suse.org:helo] X-Spam-Flag: NO X-Spam-Score: -3.30 X-Spam-Level: On Mon, 05 Oct 2026 17:40:17 +0200, Scott Gauche wrote: > > The ASUS Vivobook S 14 Q423SA-U5512 (DMI family S5406SA) with the > ALC294 codec has working analog audio when booted directly after a full > shutdown. After a warm reboot from Windows 11, audio works briefly during > Linux startup, then both the internal speakers and headphones become > silent. PCM playback continues without errors. > > Coefficient 0x1b is 0x4e4b on a direct cold boot, but 0x4a4b after the > Windows warm reboot. Restoring bit 10 changes it back to 0x4e4b and > immediately enables both analog outputs. Speaker playback, headphone > playback, jack switching, cold boot, and suspend/resume were tested > successfully. The same 0x4a4b state and immediate recovery with 0x4e4b > were independently confirmed on another S5406SA with subsystem 1043:10c4. > > The same coefficient write is already used by > ALC294_FIXUP_ASUS_COEF_1B for the ASUS UX431DA. That fixup cannot be > reused here because it chains to ALC289_FIXUP_ASUS_GA401 and applies > unrelated DAC routing and microphone pin configuration. > > Add a model-specific fixup for subsystem 1043:10c4 and chain it to the > existing ALC2XX_FIXUP_HEADSET_MIC fixup instead. > > Link: https://github.com/thesofproject/sof/issues/11051 > Fixes: f2d08f3651fb ("ALSA: hda/realtek: Fix headset mic on ASUS Vivobook S14 S5406SA") > Signed-off-by: Scott Gauche Applied to for-next branch. Thanks. Takashi