From bc518ba4ccb487ef52e418c3ff68050cf07b3bc0 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Fri, 23 Jan 2015 12:39:11 +0100
Subject: [PATCH] ALSA: line6: Reduce superfluous spinlock in midi.c

The midi_transmit_lock is used always inside the send_urb_lock, thus
it doesn't play any role.  Let's kill it.  Also, rename
"send_urb_lock" as a more simple name "lock" since this is the only
lock for midi.

Tested-by: Chris Rorvick <chris@rorvick.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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