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Mon, 13 Jul 2026 15:04:44 +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 aS7aOYz+VGpEUgAAD6G6ig (envelope-from ); Mon, 13 Jul 2026 15:04:44 +0000 Date: Mon, 13 Jul 2026 17:04:44 +0200 Message-ID: <871pd7ylpv.wl-tiwai@suse.de> From: Takashi Iwai To: Zhang Heng Cc: perex@perex.cz, tiwai@suse.com, bo.liu@senarytech.com, linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] ALSA: hda: conexant: Remove mic bias threshold override In-Reply-To: <20260713100329.306892-1-zhangheng@kylinos.cn> References: <20260713100329.306892-1-zhangheng@kylinos.cn> 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-Flag: NO X-Spamd-Result: default: False [-3.30 / 50.00]; BAYES_HAM(-3.00)[99.99%]; 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]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FUZZY_RATELIMITED(0.00)[rspamd.com]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; TO_DN_SOME(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; RCPT_COUNT_SEVEN(0.00)[7]; DBL_BLOCKED_OPENRESOLVER(0.00)[kylinos.cn:email,imap1.dmz-prg2.suse.org:helo,suse.de:mid] X-Spam-Level: X-Spam-Score: -3.30 On Mon, 13 Jul 2026 12:03:29 +0200, Zhang Heng wrote: > > Remove the mic bias current comparator threshold override (NID 0x1c, > verb 0x320, value 0x010) from Conexant codec driver. > > This override was originally intended to support volume up/down controls on > headsets with inline remote controls, but it causes microphone detection > failures on some headsets with impedance less than 1k ohm. > > After consulting with the vendor's engineers, it was confirmed that this > setting is board-specific and should be handled by BIOS/firmware rather > than the generic codec driver, especially since inline remote support > is not currently implemented. > > Fixes: 7aeb25908648 ("ALSA: hda/conexant: Fix headset auto detect fail in cx8070 and SN6140") > Cc: stable@vger.kernel.org > Signed-off-by: Zhang Heng Applied now. Thanks. Takashi