From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7B3FC175A92; Thu, 2 Apr 2026 05:37:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775108220; cv=none; b=Mi1I3pe7bgJFZJPdwb6laIDXwBQaNxnzk7mJnwpMCIhEp2SqVkPT2VaDc1SwcrVbf1fCazXomUJrQX0IgSy/Pb7OiecW2QoOZ4ZK8S/PwRex78dsE0GVUKQ73CQsm8Jkdnw+kmwC0sJHZ57MkCXDk0Z6BtuH4XLML8+IGAsBCQY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775108220; c=relaxed/simple; bh=xZVGlTPTiBBef2iARx0bzLIZG1HD0uA8NNBbqan+D9U=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=aXoBhUb1pa911344bjkVF1WeY9k/2A/NVvrB7nbtm1WB4FK7RFPzayvJGjIKZASHeYF+fjQuTRcQQYWM4tUzv5GCyDA6so+bE3Kf6HzkqH9pBn9x4KpCrGIH5DN95fCIByg6vm4mY7/erfZUFY2VoajbhLKGONPBbGEDqi7bLko= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=vEKoZVEm; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="vEKoZVEm" Received: by smtp.kernel.org (Postfix) with ESMTPS id 1E51DC19423; Thu, 2 Apr 2026 05:37:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux.dev; s=korg; t=1775108220; bh=xZVGlTPTiBBef2iARx0bzLIZG1HD0uA8NNBbqan+D9U=; h=From:Date:Subject:To:Cc:From; b=vEKoZVEmWxoGRzwZVrq05zgRE2eslBBrh33ToF9pXGRlYvAJbLrEjbCCdKO/k8aPQ G8LAQfRC5s/I5FfejpyNFJCJ+0H77qK4Bq8XfAb0twVyQ37WluD4VXdjX55S6HHBfd nGBLRQTxG6XpFarPolw+NRoe5hGrAmxrC97vwvpE= Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 113DACC6B03; Thu, 2 Apr 2026 05:37:00 +0000 (UTC) From: Cryolitia PukNgae Date: Thu, 02 Apr 2026 13:36:57 +0800 Subject: [PATCH] ALSA: usb-audio: apply quirk for MOONDROP JU Jiu Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260402-syy-v1-1-068d3bc30ddc@linux.dev> X-B4-Tracking: v=1; b=H4sIAAAAAAAC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIzMDEwMj3eLKSt00IMvcJDnRzNzCSAmosqAoNS2zAmxKdCyEX1yalJWaXAL SqlRbCwCXVPFBZwAAAA== X-Change-ID: 20260402-syy-f04074ca6782 To: Jaroslav Kysela , Takashi Iwai Cc: linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, zhanjun@uniontech.com, niecheng1@uniontech.com, kernel@uniontech.com, =?utf-8?q?=E8=83=A1=E8=BF=9E=E5=8B=A4?= , Kagura , stable@vger.kernel.org, Cryolitia PukNgae X-Mailer: b4 0.15.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1775108219; l=1249; i=cryolitia.pukngae@linux.dev; s=20260401; h=from:subject:message-id; bh=xZVGlTPTiBBef2iARx0bzLIZG1HD0uA8NNBbqan+D9U=; b=mN3VdwexnabeNtKme5CRAJUjMvNNN1boW1QiGM2+lyrdAETxPdhUbqOUPZwxKGaze+gHotoHZ NY8El/k505lBjtBAc29jTvff3lv6XwLH0SNoh7rBQtVFVtjk0ENHwwr X-Developer-Key: i=cryolitia.pukngae@linux.dev; a=ed25519; pk=kF6wBkp7j9167keuk8Q9RvPgMRPuHlJztbLy0vbJ3K0= X-Endpoint-Received: by B4 Relay for cryolitia.pukngae@linux.dev/20260401 with auth_id=712 It(ID 31b2:0111 JU Jiu) reports a MIN value -12800 for volume control, but will mute when setting it less than -10880. Thanks to my girlfriend Kagura for reporting this issue. Cc: Kagura Cc: stable@vger.kernel.org Signed-off-by: Cryolitia PukNgae --- Btw, is it a good idea for turn the volume_control_quirks from switch-case to a table and sort it accroding to USB VID&PID? --- sound/usb/mixer.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 69026cf54979..a25e8145af67 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1204,6 +1204,13 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval, cval->min = -11264; /* Mute under it */ } break; + case USB_ID(0x31b2, 0x0111): /* MOONDROP JU Jiu */ + if (!strcmp(kctl->id.name, "PCM Playback Volume")) { + usb_audio_info(chip, + "set volume quirk for MOONDROP JU Jiu\n"); + cval->min = -10880; /* Mute under it */ + } + break; } } --- base-commit: 872c7433582a3570dd0c827967ba291450096bf0 change-id: 20260402-syy-f04074ca6782 Best regards, -- Cryolitia PukNgae