ALSA: control: Add missing kerneldoc comments to exported functions

A few functions have no proper documentation yet, so let's add them.
Along with it, remove superfluous blank line between the closing brace
and EXPORT_SYMBOL() line.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2014-10-30 13:44:34 +01:00
commit 12cddbd869