From: Rong Zhang Date: Tue, 3 Mar 2026 19:48:02 +0000 (+0800) Subject: ALSA: usb-audio: Add linear volume quirk for Hotone Audio Pulze Mini X-Git-Tag: v7.1-rc1~166^2~9^2~90 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f510f3bacc2f0f862bb4b878e80e5519cec3419e;p=thirdparty%2Fkernel%2Flinux.git ALSA: usb-audio: Add linear volume quirk for Hotone Audio Pulze Mini Hotone Audio Pulze Mini is a modeling amplifier with UAC interface. Its Playback and Capture mixers use linear volume with val = 0/100/1. Add a quirk table entry matching VID/PID=0x84ef/0x0082 and applying linear volume quirk flags, so that it can work properly. Quirky device sample: usb 7-1: New USB device found, idVendor=84ef, idProduct=0082, bcdDevice= 1.03 usb 7-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 7-1: Product: Pulze Mini usb 7-1: Manufacturer: Hotone Audio usb 7-1: SerialNumber: 20240807 Signed-off-by: Rong Zhang Signed-off-by: Takashi Iwai Link: https://patch.msgid.link/20260303194805.266158-8-i@rong.moe --- diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 7a5cec9cc4bd9..17f6be4d2350e 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -2441,6 +2441,8 @@ 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, 0x0082, /* Hotone Audio Pulze Mini */ + QUIRK_FLAG_MIXER_PLAYBACK_LINEAR_VOL | QUIRK_FLAG_MIXER_CAPTURE_LINEAR_VOL), /* Vendor and string descriptor matches */ VENDOR_STRING_FLG(0x1235, /* Conflict with Focusrite Novation */