Commit a6a600d1 authored Jan 24, 2012 by Gustavo Maciel Dias Vieira Committed by Takashi Iwai Jan 25, 2012

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>

parent 3b25eb69

sound/pci/hda/patch_sigmatel.c

+8 −1

Original line number	Diff line number	Diff line
		@@ -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);
		switch (codec->subsystem_id) {
		case 0x103c148a:
		spec->gpio_led_polarity = 0;
		break;
		default:
		spec->gpio_led_polarity = 1;
		break;
		}
		return 1;
		}
		}