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authorGustavo Maciel Dias Vieira <gustavo@sagui.org>2012-01-24 13:27:56 -0200
committerTakashi Iwai <tiwai@suse.de>2012-01-25 10:00:12 +0100
commita6a600d10aaddf1da38053c4c6b64f50f56176e6 (patch)
tree5261c7a8caf0c17f9e207637fa00739a4e455431
parent3b25eb690e8c7424eecffe1458c02b87b32aa001 (diff)
ALSA: hda: set mute led polarity for laptops with buggy BIOS based on SSID
HP laptop models with buggy BIOS are apparently frequent, including machines with different codecs. Set the polarity of the mute led based on the SSID and include an entry for the HP Mini 110-3100. Signed-off-by: Gustavo Maciel Dias Vieira <gustavo@sagui.org> Tested-by: Predrag Ivanovic <predivan@open.telekom.rs> Cc: <stable@kernel.org> [v3.2+] Signed-off-by: Takashi Iwai <tiwai@suse.de>
-rw-r--r--sound/pci/hda/patch_sigmatel.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 336cfcd324f..948f0be2f4f 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -4870,7 +4870,14 @@ static int find_mute_led_cfg(struct hda_codec *codec, int default_polarity)
/* BIOS bug: unfilled OEM string */
if (strstr(dev->name, "HP_Mute_LED_P_G")) {
set_hp_led_gpio(codec);
- spec->gpio_led_polarity = 1;
+ switch (codec->subsystem_id) {
+ case 0x103c148a:
+ spec->gpio_led_polarity = 0;
+ break;
+ default:
+ spec->gpio_led_polarity = 1;
+ break;
+ }
return 1;
}
}