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Cryolitiatiwai
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ALSA: usb-audio: Add mute TLV for playback volumes on some devices
Applying the quirk of that, the lowest Playback mixer volume setting mutes the audio output, on more devices. Link: https://gitlab.freedesktop.org/pipewire/pipewire/-/merge_requests/2514 Cc: <[email protected]> Tested-by: Guoli An <[email protected]> Signed-off-by: Cryolitia PukNgae <[email protected]> Link: https://patch.msgid.link/[email protected] Signed-off-by: Takashi Iwai <[email protected]>
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sound/usb/mixer_quirks.c

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@@ -4609,9 +4609,11 @@ void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer,
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snd_dragonfly_quirk_db_scale(mixer, cval, kctl);
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break;
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/* lowest playback value is muted on some devices */
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case USB_ID(0x0572, 0x1b09): /* Conexant Systems (Rockwell), Inc. */
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case USB_ID(0x0d8c, 0x000c): /* C-Media */
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case USB_ID(0x0d8c, 0x0014): /* C-Media */
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case USB_ID(0x19f7, 0x0003): /* RODE NT-USB */
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case USB_ID(0x2d99, 0x0026): /* HECATE G2 GAMING HEADSET */
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if (strstr(kctl->id.name, "Playback"))
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cval->min_mute = 1;
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break;

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