From 55196fffc951059bb89f97ba53203acb9f87a6f1 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Thu, 24 Jan 2013 17:32:56 +0100
Subject: [PATCH] ALSA: hda - Implement path-based power filter to the generic
 parser

This patch adds a better power filter hook for powering down unused
widgets in the generic parser.

The feature is enabled by setting hda_gen_spec.power_down_unused
flag.

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