linux-kernel - [patch 02/86] ALSA: hda - Fix the logic to detect VIA analog low-current mode

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Date:	Fri, 10 Feb 2012 14:29:21 -0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Takashi Iwai <tiwai@...e.de>
Subject: [patch 02/86] ALSA: hda - Fix the logic to detect VIA analog low-current mode

3.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Takashi Iwai <tiwai@...e.de>

commit 924339239fd5ba3e505f9420d41f0939196f3530 upstream.

The analog low-current mode must be enabled when the no stream is
running but the current detection checks it in a wrong way.

Bugzilla: https://bugzilla.novell.com/show_bug.cgi?id=741128

Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 sound/pci/hda/patch_via.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -1041,7 +1041,7 @@ static void analog_low_current_mode(stru
 	bool enable;
 	unsigned int verb, parm;
 
-	enable = is_aa_path_mute(codec) && (spec->opened_streams != 0);
+	enable = is_aa_path_mute(codec) && !spec->opened_streams;
 
 	/* decide low current mode's verb & parameter */
 	switch (spec->codec_type) {


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