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[72.253.4.232]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-cc15568c722sm44374a12.24.2026.08.18.17.32.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Aug 2026 17:32:53 -0700 (PDT) From: Chad Talbott To: Takashi Iwai , Jaroslav Kysela Cc: linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, Chad Talbott Subject: [PATCH] ALSA: usb-audio: Add MIN_MUTE quirk for Creative Sound Blaster Play! 3 Date: Tue, 18 Aug 2026 14:32:37 -1000 Message-ID: <20260819003237.452807-1-chad.talbott@gmail.com> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The Creative Sound Blaster Play! 3 (041e:324d) exposes a Feature Unit volume control with a range of -44.00 dB .. 0.00 dB over raw values 0..88, but raw value 0 is in fact a hard mute rather than -44.00 dB. Tested on hardware. Signed-off-by: Chad Talbott --- sound/usb/quirks.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 4d2957e..6f1538e 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -2219,6 +2219,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = { QUIRK_FLAG_MIXER_GET_CUR_BROKEN), DEVICE_FLG(0x041e, 0x3000, /* Creative SB Extigy */ QUIRK_FLAG_IGNORE_CTL_ERROR), + DEVICE_FLG(0x041e, 0x324d, /* Creative Sound Blaster Play! 3 */ + QUIRK_FLAG_MIXER_PLAYBACK_MIN_MUTE), DEVICE_FLG(0x041e, 0x4080, /* Creative Live Cam VF0610 */ QUIRK_FLAG_GET_SAMPLE_RATE), DEVICE_FLG(0x045e, 0x083c, /* MS USB Link headset */ -- 2.54.0