From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794318626; b=v6jgElHV55RwubF0WJDUz7z4ldbFZAahffC76fqsq7gfyI6pvbQT7i/Sv/rsqZtCDN6n g3Y61Erz3UjeWDZ2OX1IbPYMYkSVN0VHvjdJAOOResJ8HJ+ig+IyfylEtkHtdGzjAAi/v ovKwaccsVFsl9k/FbMhY9qt4JHUeKCHKrV++hAXwC6ujVzr5A+WXOcmpGuEsrlg+bpquo rJfw7qWKbFY3xJNet8bsKJFMUMAwyaQRCLm16aIzcpJBvyHXsj8ifYtezA+K7lYr6rDEm HIk1dM6h99eysMYydmU6aBN7MmGcPdliUo9CRzLl22I8smilZFfOlNLxWPpLpcOROOQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794318626; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Transfer-Encoding; bh=mD6LdiPWsWdmFPNcDKvkc2RTAQcXuQcj5M9eLkHCwRk=; b=5XVkJmVKQCUSt+XnbcDPf7qoo6FQvs6P+/IEklo0nm8n7jpetDsXq9PH8j1goAQg/nqE jqpgEUP3nK58ZXUSj+0PwbCwZrdnVjPPhx7IQKBfsdxhRFmxicl5SieTnIiYD72V41NJu N3tUogYfCAlpqIddtXVMdRYWAfEzUyBfVkd/23EGqJY984+LyXR1xKyYwIlxfCppBdUEg uFNc7yWyxVaedi6u1IDyzAtbEYWhc7/8c4woreEOft9q6lEhrZ0Mnogv121S/HYuIGtn5 DZadXsN2pGof/3hlRUNoi9VxOtFcgTGm9EeOEJJzC9ic2M54wHX4DPA5meKuJubT/pw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=cZmV3gto; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 230C3606A32E for ; Tue, 10 Nov 2026 13:50:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=cZmV3gto Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6683C1F008A2; Tue, 10 Nov 2026 13:50:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794318626; bh=mD6LdiPWsWdmFPNcDKvkc2RTAQcXuQcj5M9eLkHCwRk=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=cZmV3gtoG5gdZXTQhK2xefDXOR0j0EX/+a3tRYoFzcqQfrQXN4PKBRQz6PFb/HZAF ieYDBdsHq/QvcLBO2G40qV6a9uL1TSD7piKRLYKmahS2VwPo+6ChVSSByWJaOKQg3P YEqQyxCdcRJLjwSviTj5jC7YUXdm1nLH+jPtElxQOPhtPXaoWehIhZ9DAecL5m2tmV V1Q0kHEoc+6TtW8RQTQ3f8tOpwsRSk60dl4WTQLxeZ3ZsULR7pN4liZwJDwo0TT8zP XFvCQy/BrE+LjhXVvBKahL6tPpLIRm+Lk6pIhXSdtI7XOKl1uUjjwRmhp90PE8QtMh 1/+S40qkUI3ZQ== From: Sasha Levin To: stable@vger.kernel.org Cc: Pauli Virtanen , Takashi Iwai , Sasha Levin Subject: [PATCH 6.6.y 2/3] ALSA: usb-audio: add volume quirks for MS LifeChat LX-3000 Date: Tue, 10 Nov 2026 08:50:22 -0500 Message-ID: <20261110134954.1794308-2-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261110134954.1794308-1-sashal@kernel.org> References: <20261107053308-failed-6.6-874323b68c93@kernel.org> <20261110134954.1794308-1-sashal@kernel.org> X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Pauli Virtanen [ Upstream commit 9af61fc91486c7ba93cf1ec3bd381978cac8308c ] ID 045e:070f Microsoft Corp. LifeChat LX-3000 Headset has muted minimum Speaker Playback Volume, and 4 amixer steps were observed to produce 1 actual volume step. Apply min_mute quirk and correct res=48 -> 4*48. Tested with the device. Signed-off-by: Pauli Virtanen Signed-off-by: Takashi Iwai Stable-dep-of: 874323b68c93 ("ALSA: usb-audio: Add mic resolution quirk for Logitech Webcam C200") Signed-off-by: Sasha Levin --- sound/usb/mixer.c | 8 ++++++++ sound/usb/quirks.c | 2 ++ 2 files changed, 10 insertions(+) diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 0a729ec282179..e70853cfec65a 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1156,6 +1156,14 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval, } break; + case USB_ID(0x045e, 0x070f): /* MS LifeChat LX-3000 Headset */ + if (!strcmp(kctl->id.name, "Speaker Playback Volume")) { + usb_audio_info(chip, + "set volume quirk for MS LifeChat LX-3000\n"); + cval->res = 192; + } + break; + case USB_ID(0x0471, 0x0101): case USB_ID(0x0471, 0x0104): case USB_ID(0x0471, 0x0105): diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 6f999315cca1c..302736f271932 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -2058,6 +2058,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = { DEVICE_FLG(0x045e, 0x083c, /* MS USB Link headset */ QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_CTL_MSG_DELAY | QUIRK_FLAG_DISABLE_AUTOSUSPEND), + DEVICE_FLG(0x045e, 0x070f, /* MS LifeChat LX-3000 Headset */ + QUIRK_FLAG_MIXER_PLAYBACK_MIN_MUTE), DEVICE_FLG(0x046d, 0x0807, /* Logitech Webcam C500 */ QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384), DEVICE_FLG(0x046d, 0x0808, /* Logitech Webcam C600 */ -- 2.53.0