commit: 535b6c51fe8293c88ce919cdfc4390c67a1cb6d1
From: Takashi Iwai <[email protected]>
Date: Mon, 20 Aug 2012 21:25:22 +0200
Subject: ALSA: hda - Fix leftover codec->power_transition

When the codec turn-on operation is canceled by the immediate
power-on, the driver left the power_transition flag as is.
This caused the persistent avoidance of power-save behavior.

Cc: <[email protected]> [v3.5+]
Signed-off-by: Takashi Iwai <[email protected]>
---
 sound/pci/hda/hda_codec.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index c3077d5..f560051 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -4454,6 +4454,8 @@ static void __snd_hda_power_up(struct hda_codec *codec, 
bool wait_power_down)
         * then there is no need to go through power up here.
         */
        if (codec->power_on) {
+               if (codec->power_transition < 0)
+                       codec->power_transition = 0;
                spin_unlock(&codec->power_lock);
                return;
        }
-- 
1.7.3.4
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