Commit e2ef36c6 authored Dec 13, 2011 by Gustavo Maciel Dias Vieira Committed by Takashi Iwai Dec 13, 2011

ALSA: hda: fix mute led polarity for HP laptops with buggy BIOS



Some HP laptop models do not have a properly filled OEM string used
to set the gpio and polarity of the mute led. Make the mute led
configuration work for this case.

Signed-off-by: Gustavo Maciel Dias Vieira <gustavo@sagui.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

parent 1c89fe3b

sound/pci/hda/patch_sigmatel.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -4929,6 +4929,12 @@ static int find_mute_led_gpio(struct hda_codec *codec, int default_polarity)
		set_hp_led_gpio(codec);
		return 1;
		}
		/* BIOS bug: unfilled OEM string */
		if (strstr(dev->name, "HP_Mute_LED_P_G")) {
		set_hp_led_gpio(codec);
		spec->gpio_led_polarity = 1;
		return 1;
		}
		}

		/*