From 7bbd03e0143b562ff7d96f7e71c016104020b550 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Mon, 20 Oct 2014 18:21:42 +0200
Subject: [PATCH] ALSA: usb-audio: Use snd_ctl_enum_info()

... and reduce the open codes.  Also add missing const to text arrays.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
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