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authorTakashi Iwai <tiwai@suse.de>2011-11-29 13:01:30 +0100
committerTakashi Iwai <tiwai@suse.de>2011-11-29 13:01:30 +0100
commit542c9a0a2fa351149c4a3467589a54cafcf0a1dd (patch)
tree55fcbcd027fec1c24206416da4eee6ad03f2a72d /sound
parentae7cc709f2ec11b49fc31b20cd8c943794ae9576 (diff)
downloadlinux-stericsson-542c9a0a2fa351149c4a3467589a54cafcf0a1dd.tar.gz
ALSA: hda - Avoid touching mute-VREF pin for IDT codecs
Some HP laptops use a pin VREF for controlling the mute LED, and such a pin shouldn't be powered off. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/hda/patch_sigmatel.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index f3658658548e..f4f4ebeed9ea 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -4441,7 +4441,9 @@ static int stac92xx_init(struct hda_codec *codec)
int pinctl, def_conf;
/* power on when no jack detection is available */
- if (!spec->hp_detect) {
+ /* or when the VREF is used for controlling LED */
+ if (!spec->hp_detect ||
+ (spec->gpio_led > 8 && spec->gpio_led == nid)) {
stac_toggle_power_map(codec, nid, 1);
continue;
}