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ALSA: usb-audio: Add quirk flags for Logitech PRO X Wireless

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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 <adventureFAN@gmx.de>
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 <i@rong.moe>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20260823-uac-demote-sticky-check-v1-4-a8cbe572edff@rong.moe
This commit is contained in:
Rong Zhang 2026-08-23 02:52:31 +08:00 committed by Takashi Iwai
parent 9e8a6fc3b1
commit 3ac761b613
1 changed files with 3 additions and 0 deletions
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3
sound/usb/quirks.c
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@ -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 */