diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 34fef71e033059d4559b2c99d2a4bfa3f4ef3b94..03b8a2ac93c86e2e568b873ac2e315e1b3766aec 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -2918,6 +2918,23 @@ static int snd_usb_mixer_controls_badd(struct usb_mixer_interface *mixer, UAC3_BADD_FU_ID7, map->map); } + /* Insertion Control */ + if (f->subclass == UAC3_FUNCTION_SUBCLASS_HEADSET_ADAPTER) { + struct usb_audio_term iterm, oterm; + + /* Input Term - Insertion control */ + memset(&iterm, 0, sizeof(iterm)); + iterm.id = UAC3_BADD_IT_ID4; + iterm.type = UAC_BIDIR_TERMINAL_HEADSET; + build_connector_control(mixer, &iterm, true); + + /* Output Term - Insertion control */ + memset(&oterm, 0, sizeof(oterm)); + oterm.id = UAC3_BADD_OT_ID3; + oterm.type = UAC_BIDIR_TERMINAL_HEADSET; + build_connector_control(mixer, &oterm, false); + } + return 0; }