[alsa-devel] [PATCH 3/5] Add TLV to M-Audio Fast Track Ultra controls

[Felix Homann]

This adds db gain information to M-Audio Fast Track Ultra (8R) devices.

Signed-off-by: Felix Homann <linuxaudio at showlabor.de>

diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index d677e03..9f1987f 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -594,7 +594,7 @@ static int snd_maudio_ftu_create_volume_ctls(struct usb_mixer_interface *mixer)
 				in  + 1, out + 1);
 			err = snd_create_std_mono_ctl(mixer, id, control,
 							cmask, val_type, name,
-							NULL);
+							&snd_usb_mixer_vol_tlv);
 			if (err < 0)
 				return err;
 		}
@@ -605,7 +605,7 @@ static int snd_maudio_ftu_create_volume_ctls(struct usb_mixer_interface *mixer)
 				in - 7, out + 1);
 			err = snd_create_std_mono_ctl(mixer, id, control,
 							cmask, val_type, name,
-							NULL);
+							&snd_usb_mixer_vol_tlv);
 			if (err < 0)
 				return err;
 		}
-- 
1.7.5.4