ALSA: hda - Fix inverted LED gpio setup for Lenovo Ideapad

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')
Cc: <stable@vger.kernel.org> # 3.15+
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_realtek.c

@@ -5613,9 +5613,9 @@ static void alc662_led_gpio1_mute_hook(void *private_data, int enabled)
 	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);