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=1794318341; b=hvhnwzy/re7I0AiLn1pkbCGBYlscDaKHcSr19YH+hYLzgISgPd2Q+Ku2TQCTt3XJMjHf geRma6y1veEZVu8iX5aPN1USQwJxqGwJLdojV8YzAmQXHqazs68hvvixLtRj5QAMWXu7i 9oQkPTHUOoS9YNH8CyF5Dw5DRQMuE/P7rcu5sTKvqh1WtJJntpuufWXC6OZKKpq4YAIQa KQ4FIvfCyZoLTWct2Ir9931Gyh9O6WuWqIU6QjXVCl5VNc2kjQHKKov0FhRzk9Vp2D6EQ p6yTkCoV8v3X45iRbsx+NkWSsvb6V+abfSW1NVrVIKK0qLEuXJsJRT866m8wNvyVxJg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794318341; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Transfer-Encoding; bh=2hygaD0SVtvEHcKUgS4a7dhStPe1ypTUf1uXJYGdGEE=; b=Qf51gStPe0qFQsaLc6E3CqV3xOm2dObqApmF6gh04U4pxOHVQA7kK9ZK/gxqWjAiZDQR 6e/VxLeN1/zZMumAlgZ87vdscRsY4x+acIoGvIOGNJcBa1oF7tF4YNEcIJJFKg7A/M9Qm p31agOVkS30URFov7UXBMB6c1XMzLOfNbzf9CTOikHCewflhHrgG4JF1Aze5TI9mpddAt tRGFcwunG5eCXNZijeEc03DRF8C/1vH98WG66jxkeRAir8k3HiHeI2w/+GiiU9HUOv/yq LW2/vrS2je1wDgImS/6sIx4Cv9UCoYobs3vsmulDxY9QPlwQBYSjZPAT02SNZVSPNog== 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=RYR2sigU; 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 C339D60A3801 for ; Tue, 10 Nov 2026 13:45:40 +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=RYR2sigU Received: by smtp.kernel.org (Postfix) with ESMTPSA id BFE081F008A5; Tue, 10 Nov 2026 13:45:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794318340; bh=2hygaD0SVtvEHcKUgS4a7dhStPe1ypTUf1uXJYGdGEE=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=RYR2sigUn9+30f8cRoxYY/WdWKVlrhDQVLzNljkBKhdVzQ8B/7XziZS04pgyVstTa rTpJ8JAbN6VLSocZa7Eab6lxF5XsEXY9HrLtSeKgJL98xH9Yvso4KytoBhyL7YtF9N VuWb/xBVApRmioGm3pvebaBqXZAfMok5MO3kpIWT91hcvyJdTFc/SAxt49dCaCStPX wDE4qg0q/H0M/8OTqcXoGynpwv+yDV0t7ZaNM6rgk379/BldkMi7/fCP0Tx35bnW/W vrh2dyOn26qR5AabO0OUEqZ1pcQ1q1bXiK+tlVEm9jv4aqUbhKRy1UEWAne2CB0mGv Kq9k07hfKQ5gQ== From: Sasha Levin To: stable@vger.kernel.org Cc: Pauli Virtanen , Takashi Iwai , Sasha Levin Subject: [PATCH 6.12.y 2/3] ALSA: usb-audio: add volume quirks for MS LifeChat LX-3000 Date: Tue, 10 Nov 2026 08:45:36 -0500 Message-ID: <20261110134505.1778565-2-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261110134505.1778565-1-sashal@kernel.org> References: <20261107052042-failed-6.12-874323b68c93@kernel.org> <20261110134505.1778565-1-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 82c8596264047..45145ef7db7c5 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 70026525972b0..cfcf9f845ee36 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -2158,6 +2158,8 @@ 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