ALSA: usb-mixer: use defines from audio.h

No need for the private enum.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c
index 5c05683..ab8f0f0 100644
--- a/sound/usb/usbmixer.c
+++ b/sound/usb/usbmixer.c
@@ -136,21 +136,6 @@
 	u8 initialized;
 };
 
-
-enum {
-	USB_FEATURE_NONE = 0,
-	USB_FEATURE_MUTE = 1,
-	USB_FEATURE_VOLUME,
-	USB_FEATURE_BASS,
-	USB_FEATURE_MID,
-	USB_FEATURE_TREBLE,
-	USB_FEATURE_GEQ,
-	USB_FEATURE_AGC,
-	USB_FEATURE_DELAY,
-	USB_FEATURE_BASSBOOST,
-	USB_FEATURE_LOUDNESS
-};
-
 enum {
 	USB_MIXER_BOOLEAN,
 	USB_MIXER_INV_BOOLEAN,
@@ -954,7 +939,7 @@
 
 	control++; /* change from zero-based to 1-based value */
 
-	if (control == USB_FEATURE_GEQ) {
+	if (control == UAC_GRAPHIC_EQUALIZER_CONTROL) {
 		/* FIXME: not supported yet */
 		return;
 	}
@@ -1001,8 +986,8 @@
 				kctl->id.name, sizeof(kctl->id.name));
 
 	switch (control) {
-	case USB_FEATURE_MUTE:
-	case USB_FEATURE_VOLUME:
+	case UAC_MUTE_CONTROL:
+	case UAC_VOLUME_CONTROL:
 		/* determine the control name.  the rule is:
 		 * - if a name id is given in descriptor, use it.
 		 * - if the connected input can be determined, then use the name
@@ -1029,9 +1014,9 @@
 				len = append_ctl_name(kctl, " Playback");
 			}
 		}
-		append_ctl_name(kctl, control == USB_FEATURE_MUTE ?
+		append_ctl_name(kctl, control == UAC_MUTE_CONTROL ?
 				" Switch" : " Volume");
-		if (control == USB_FEATURE_VOLUME) {
+		if (control == UAC_VOLUME_CONTROL) {
 			kctl->tlv.c = mixer_vol_tlv;
 			kctl->vd[0].access |= 
 				SNDRV_CTL_ELEM_ACCESS_TLV_READ |
@@ -1120,7 +1105,7 @@
 		snd_printk(KERN_INFO
 			   "usbmixer: master volume quirk for PCM2702 chip\n");
 		/* disable non-functional volume control */
-		master_bits &= ~(1 << (USB_FEATURE_VOLUME - 1));
+		master_bits &= ~UAC_FU_VOLUME;
 		break;
 	}
 	if (channels > 0)