From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 11 Nov 2009 08:34:25 +0000 (+0100)
Subject: ALSA: hda - Add power on/off counter
X-Git-Tag: v2.6.33-rc1~390^2^2~47
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a2f6309e8392e2c14c04594fca8b4876c8c9bc36;p=pandora-kernel.git

ALSA: hda - Add power on/off counter

Added the power on/off counter and expose via sysfs files.
The sysfs files, power_on_acct and power_off_acct, are created under
each codec hwdep sysfs directory (e.g. /sys/class/sound/hwC0D0).
The files show the msec length of the codec power-on and power-off,
respectively.

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