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Mon, 30 May 2022 12:10:40 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id xAbMIEC0lGJoCwAAMHmgww (envelope-from ); Mon, 30 May 2022 12:10:40 +0000 Date: Mon, 30 May 2022 14:10:40 +0200 Message-ID: <87pmjvw79b.wl-tiwai@suse.de> From: Takashi Iwai To: Marios Levogiannis Subject: Re: [PATCH] ALSA: hda/realtek - Fix microphone noise on ASUS TUF B550M-PLUS In-Reply-To: <20220530074131.12258-1-marios.levogiannis@gmail.com> References: <87r14by1xi.wl-tiwai@suse.de> <20220530074131.12258-1-marios.levogiannis@gmail.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/27.2 Mule/6.0 MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII Cc: linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, Takashi Iwai X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On Mon, 30 May 2022 09:41:31 +0200, Marios Levogiannis wrote: > > Set microphone pins 0x18 (rear) and 0x19 (front) to VREF_50 to fix the > microphone noise on ASUS TUF B550M-PLUS which uses the ALCS1200A codec. > The initial value was VREF_80. > > The same issue is also present on Windows using both the default Windows > driver and all tested Realtek drivers before version 6.0.9049.1. Comparing > Realtek driver 6.0.9049.1 (the first one without the microphone noise) to > Realtek driver 6.0.9047.1 (the last one with the microphone noise) > revealed that the fix is the result of setting pins 0x18 and 0x19 to > VREF_50. > > This fix may also work for other boards that have been reported to have > the same microphone issue and use the ALC1150 and ALCS1200A codecs, since > these codecs are similar and the fix in the Realtek driver on Windows is > common for both. However, it is currently enabled only for ASUS TUF > B550M-PLUS as this is the only board that could be tested. > > Signed-off-by: Marios Levogiannis Thanks, applied now. Takashi