ALSA: usb-audio: unify UAC macros and struct names

Get rid of the last occurances of _v1 suffixes, and move the version
number right after the "uac" string. Now things are consitent again.

Sorry for the forth and back, but it just looks much nicer this way.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 736d134..ba54eb6 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -582,9 +582,9 @@
 		switch (iterm->type >> 16) {
 		case UAC_SELECTOR_UNIT:
 			strcpy(name, "Selector"); return 8;
-		case UAC_PROCESSING_UNIT_V1:
+		case UAC1_PROCESSING_UNIT:
 			strcpy(name, "Process Unit"); return 12;
-		case UAC_EXTENSION_UNIT_V1:
+		case UAC1_EXTENSION_UNIT:
 			strcpy(name, "Ext Unit"); return 8;
 		case UAC_MIXER_UNIT:
 			strcpy(name, "Mixer"); return 5;
@@ -672,8 +672,8 @@
 			term->name = uac_selector_unit_iSelector(d);
 			return 0;
 		}
-		case UAC_PROCESSING_UNIT_V1:
-		case UAC_EXTENSION_UNIT_V1: {
+		case UAC1_PROCESSING_UNIT:
+		case UAC1_EXTENSION_UNIT: {
 			struct uac_processing_unit_descriptor *d = p1;
 			if (d->bNrInPins) {
 				id = d->baSourceID[0];
@@ -1855,13 +1855,13 @@
 		return parse_audio_selector_unit(state, unitid, p1);
 	case UAC_FEATURE_UNIT:
 		return parse_audio_feature_unit(state, unitid, p1);
-	case UAC_PROCESSING_UNIT_V1:
+	case UAC1_PROCESSING_UNIT:
 	/*   UAC2_EFFECT_UNIT has the same value */
 		if (state->mixer->protocol == UAC_VERSION_1)
 			return parse_audio_processing_unit(state, unitid, p1);
 		else
 			return 0; /* FIXME - effect units not implemented yet */
-	case UAC_EXTENSION_UNIT_V1:
+	case UAC1_EXTENSION_UNIT:
 	/*   UAC2_PROCESSING_UNIT_V2 has the same value */
 		if (state->mixer->protocol == UAC_VERSION_1)
 			return parse_audio_extension_unit(state, unitid, p1);
@@ -1925,7 +1925,7 @@
 	p = NULL;
 	while ((p = snd_usb_find_csint_desc(hostif->extra, hostif->extralen, p, UAC_OUTPUT_TERMINAL)) != NULL) {
 		if (mixer->protocol == UAC_VERSION_1) {
-			struct uac_output_terminal_descriptor_v1 *desc = p;
+			struct uac1_output_terminal_descriptor *desc = p;
 
 			if (desc->bLength < sizeof(*desc))
 				continue; /* invalid descriptor? */