From 3ac761b613c744aa22e269d31801053e38bb4968 Mon Sep 17 00:00:00 2001 From: Rong Zhang Date: Sun, 23 Aug 2026 02:52:31 +0800 Subject: [PATCH] ALSA: usb-audio: Add quirk flags for Logitech PRO X Wireless The Logitech PRO X Wireless is a wireless headset with a hotpluggable microphone. Its Playback mixer's GET_CUR somehow becomes broken when the microphone is detached, so set QUIRK_FLAG_MIXER_GET_CUR_OK to prevent the mixer behavior from depending on whether the microphone is attached. Meanwhile, the Playback mixer's minimum value doesn't work properly, thus set QUIRK_FLAG_MIXER_PLAYBACK_MIN_MUTE to prevent userspace audio stack from using the minimum mixer value to tune volume (setting it when muted is OK). Reported-by: Alexander Niemeyer Closes: https://msgid.link/6262cbbd-d1f2-4c9d-a1c7-9c5d12636f4b@gmx.de Closes: https://msgid.link/7984832b-86f6-4934-bfc0-1ed70218973a@gmx.de Signed-off-by: Rong Zhang Signed-off-by: Takashi Iwai Link: https://patch.msgid.link/20260823-uac-demote-sticky-check-v1-4-a8cbe572edff@rong.moe --- sound/usb/quirks.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 2f5276cf7339..5c544bd88728 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -2256,6 +2256,9 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = { DEVICE_FLG(0x046d, 0x0a8f, /* Logitech H390 headset */ QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIXER_PLAYBACK_MIN_MUTE), + DEVICE_FLG(0x046d, 0x0aba, /* Logitech PRO X Wireless */ + QUIRK_FLAG_MIXER_GET_CUR_OK | + QUIRK_FLAG_MIXER_PLAYBACK_MIN_MUTE), DEVICE_FLG(0x0499, 0x1506, /* Yamaha THR5 */ QUIRK_FLAG_GENERIC_IMPLICIT_FB), DEVICE_FLG(0x0499, 0x1509, /* Steinberg UR22 */