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author | Takashi Iwai <tiwai@suse.de> | 2011-11-29 12:01:30 (GMT) |
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committer | Takashi Iwai <tiwai@suse.de> | 2011-11-29 12:01:30 (GMT) |
commit | 542c9a0a2fa351149c4a3467589a54cafcf0a1dd (patch) | |
tree | 55fcbcd027fec1c24206416da4eee6ad03f2a72d | |
parent | ae7cc709f2ec11b49fc31b20cd8c943794ae9576 (diff) | |
download | linux-542c9a0a2fa351149c4a3467589a54cafcf0a1dd.tar.xz |
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>
-rw-r--r-- | sound/pci/hda/patch_sigmatel.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index f365865..f4f4ebe 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; } |