ALSA: usb-audio: Add TLV to M-Audio Fast Track Ultra controls

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

Signed-off-by: Felix Homann <linuxaudio@showlabor.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 1c3da65f1af1..045a0d9ff8a2 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;
                 }