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-rw-r--r--sound/usb/mixer.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 34fef71e0330..03b8a2ac93c8 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;
}