From e2ef36c688d5844a986424c3194bd33212c968ce Mon Sep 17 00:00:00 2001 From: Gustavo Maciel Dias Vieira Date: Tue, 13 Dec 2011 11:47:22 -0200 Subject: [PATCH] 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 Signed-off-by: Takashi Iwai --- sound/pci/hda/patch_sigmatel.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index eeb25d52..616678f 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -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; + } } /* -- 2.7.4