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| author | Takashi Iwai <tiwai@suse.de> | 2011-11-29 13:01:30 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2011-11-29 13:01:30 +0100 |
| commit | 542c9a0a2fa351149c4a3467589a54cafcf0a1dd (patch) | |
| tree | 55fcbcd027fec1c24206416da4eee6ad03f2a72d /sound/pci | |
| parent | ALSA: usb-audio - Support for Roland GAIA SH-01 Synthesizer (diff) | |
| download | linux-542c9a0a2fa351149c4a3467589a54cafcf0a1dd.tar.xz linux-542c9a0a2fa351149c4a3467589a54cafcf0a1dd.zip | |
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/pci')
| -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 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; } |