ALSA Maestro driver spinlock bug.

[Dave Jones]

One of our Fedora users reported a bug that showed up
with spinlock debugging enabled.

sound/pci/es1968.c: es1968_measure_clock()

At line 1811, we acquire &chip->reg_lock
and then call snd_es1968_bob_inc(), which
calls snd_es1968_bob_start(), which tries to
acquire the same lock at line 885.

It barfs as a result.  Is it safe to move
the snd_es1968_bob_inc() call before we
take the lock ?

		Dave

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