From 23c18d4bfd73ee24070849faf98b3ab01263a3c4 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 19 Feb 2014 14:30:29 +0100
Subject: [PATCH] ALSA: control: Provide a helper to look for the preferred
 subdevice

Instead of open-coding the search over the control file loop, provide
a helper function for the preferred subdevice assigned to the current
process.

Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Reading git-format-patch failed