diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c index ce27fc871f51..8046d5987d5b 100644 --- a/sound/usb/mixer_maps.c +++ b/sound/usb/mixer_maps.c @@ -505,6 +505,19 @@ static const struct usbmix_connector_map gigabyte_b450_connector_map[] = { {} }; +/* Audient iD14: FU 12 advertises Volume on only 4 of its 6 logical channels + * and sits on the monitor mixer branch, but it is traced through to the + * Speaker output terminal and gets named "Speaker Playback Volume". Userspace + * then adopts it as the stream's hardware volume, and any setting below 0 dB + * attenuates some channels but not others (20 dB imbalance at 80%). Give it a + * non-standard name so that it is no longer taken for the stream's master + * volume, while remaining reachable for anyone who wants the monitor gain. + */ +static const struct usbmix_name_map audient_id14_map[] = { + { 12, "Monitor Mix Playback" }, /* FU, partial coverage */ + {} +}; + /* * Control map entries */ @@ -588,6 +601,11 @@ static const struct usbmix_ctl_map usbmix_ctl_maps[] = { .id = USB_ID(0x2573, 0x0008), .map = maya44_map, }, + { + /* Audient iD14 */ + .id = USB_ID(0x2708, 0x0008), + .map = audient_id14_map, + }, { /* KEF X300A */ .id = USB_ID(0x27ac, 0x1000),