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Wed, 4 Nov 2026 07:15:23 +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 4uj3DIvb6mr7KwAAD6G6ig (envelope-from ); Wed, 04 Nov 2026 07:15:23 +0000 Date: Wed, 04 Nov 2026 08:15:22 +0100 Message-ID: <87wlqtukxh.wl-tiwai@suse.de> From: Takashi Iwai To: Angel J Cc: linux-sound@vger.kernel.org, tiwai@suse.com, perex@perex.cz, linux-kernel@vger.kernel.org Subject: Re: [PATCH] ALSA: hda/realtek: Fix the Dell XPS 8940 headset microphone In-Reply-To: <20261103150336.507675-1-iamanaws@httpd.dev> References: <20261103150336.507675-1-iamanaws@httpd.dev> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/30.2 Mule/6.0 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-Spam-Flag: NO X-Spam-Level: X-Spamd-Result: default: False [-12.30 / 50.00]; SUSE_INTERNAL_BYPASS(-9.00)[]; 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]; RCVD_VIA_SMTP_AUTH(0.00)[]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; TO_DN_SOME(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)[imap1.dmz-prg2.suse.org:helo] X-Spam-Score: -12.30 On Tue, 03 Nov 2026 16:03:36 +0100, Angel J wrote: > > The Dell XPS 8940 (1028:09c5) has an ALC3861 codec (0x10ec0899). > Its BIOS marks the headset microphone pin at NID 0x19 as disconnected > (0x411111f0). With no external microphone input in the pin configuration, > the generic parser creates a shared headphone/mic input on NID 0x1b > instead. Headphone playback works, but the headset microphone is silent. > > Override NID 0x19 as a front microphone without independent presence > detection. This gives the generic parser the dedicated microphone > input and preserves NID 0x1b for simultaneous headphone playback. > > I encountered this issue on my XPS 8940. Similar symptoms were also > reported by a user on Ubuntu: > https://bugs.launchpad.net/bugs/1971232 > > Cc: stable@vger.kernel.org > Assisted-by: Codex (GPT-6.1 Sol) > Signed-off-by: Angel J The code change looks OK, but could you resubmit with a proper Signed-off-by tag with your full name (also From tag, too)? Signed-off-by is a legal requirement. thanks, Takashi