From e914b25e370a3a55a839ff507ed779f54431ace5 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Mon, 18 Mar 2013 11:29:56 +0100
Subject: [PATCH] ALSA: hda - Fix power-saving during playing beep sound

While playing the digital beep tone, the codec shouldn't be turned
off.  This patch adds proper snd_hda_power_up()/down() calls at each
time when the beep is played or off.

Also, this fixes automatically an unnecessary codec power-up at
detaching the beep device when the beep isn't being played.

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