From df72ac3e61962ff38d199000a8eef916e677c7a5 Mon Sep 17 00:00:00 2001 From: Cryolitia PukNgae Date: Wed, 3 Sep 2025 13:09:48 +0800 Subject: [PATCH] ALSA: usb-audio: apply quirk for MOONDROP Quark2 [ 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 Signed-off-by: Cryolitia PukNgae Signed-off-by: Takashi Iwai Link: https://patch.msgid.link/20250903-sound-v1-4-d4ca777b8512@uniontech.com Signed-off-by: Sasha Levin --- sound/usb/mixer.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 63b300bc67ba9..cf296decefefc 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1191,6 +1191,13 @@ 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; } } -- 2.47.3