5.4-stable review patch. If anyone has any objections, please let me know.
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From: Cryolitia PukNgae cryolitia@uniontech.com
[ Upstream commit a73349c5dd27bc544b048e2e2c8ef6394f05b793 ]
It reports a MIN value -15360 for volume control, but will mute when setting it less than -14208
Tested-by: Guoli An anguoli@uniontech.com Signed-off-by: Cryolitia PukNgae cryolitia@uniontech.com Signed-off-by: Takashi Iwai tiwai@suse.de Link: https://patch.msgid.link/20250903-sound-v1-4-d4ca777b8512@uniontech.com Signed-off-by: Sasha Levin sashal@kernel.org --- sound/usb/mixer.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 1374a4e093b3f..f2c697ff50b57 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1181,6 +1181,13 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval, cval->res = 1; } break; + case USB_ID(0x3302, 0x12db): /* MOONDROP Quark2 */ + if (!strcmp(kctl->id.name, "PCM Playback Volume")) { + usb_audio_info(chip, + "set volume quirk for MOONDROP Quark2\n"); + cval->min = -14208; /* Mute under it */ + } + break; } }