linux-kernel - [PATCH 3.16 085/127] ALSA: hda - Fix inverted LED gpio setup for Lenovo Ideapad

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Message-Id: <20141028033424.584228356@linuxfoundation.org>
Date:	Tue, 28 Oct 2014 11:35:20 +0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Takashi Iwai <tiwai@...e.de>
Subject: [PATCH 3.16 085/127] ALSA: hda - Fix inverted LED gpio setup for Lenovo Ideapad

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

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

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

commit b1974f965a506c131b60cd3e483340884e831920 upstream.

We implemented in a wrong way for mute LED on Lenovo Ideapad; the bit
must be flipped.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=16373
Fixes: 3e887f379d8a ('ALSA: hda - Add mute LED support to Lenovo Ideapad')
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 sound/pci/hda/patch_realtek.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5578,9 +5578,9 @@ static void alc662_led_gpio1_mute_hook(v
 	unsigned int oldval = spec->gpio_led;
 
 	if (enabled)
-		spec->gpio_led &= ~0x01;
-	else
 		spec->gpio_led |= 0x01;
+	else
+		spec->gpio_led &= ~0x01;
 	if (spec->gpio_led != oldval)
 		snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_GPIO_DATA,
 				    spec->gpio_led);


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