ALSA: usb-audio: Fix popping noise on Valeton GP-200

The Valeton GP-200 guitar multi-effects processor exhibits a continuous
popping noise (~6Hz) during playback and recording. Force implicit
feedback to resolve the issue.

Closes: https://bugzilla.kernel.org/show_bug.cgi?id=221662
Signed-off-by: Zhang Heng <zhangheng@kylinos.cn>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20260811024902.134457-4-zhangheng@kylinos.cn
This commit is contained in:
Zhang Heng 2026-08-11 10:49:02 +08:00 committed by Takashi Iwai
parent 9976513eb6
commit 9508f9f122

View File

@ -2526,6 +2526,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
QUIRK_FLAG_ALIGN_TRANSFER),
DEVICE_FLG(0x534d, 0x2109, /* MacroSilicon MS2109 */
QUIRK_FLAG_ALIGN_TRANSFER),
DEVICE_FLG(0x84ef, 0x002a, /* Valeton GP-200 */
QUIRK_FLAG_GENERIC_IMPLICIT_FB),
DEVICE_FLG(0x84ef, 0x0082, /* Hotone Audio Pulze Mini */
QUIRK_FLAG_MIXER_PLAYBACK_LINEAR_VOL | QUIRK_FLAG_MIXER_CAPTURE_LINEAR_VOL),