ALSA: hda/realtek: Enable HP amp and mute LED on HP Folio 9480m [v3]

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This laptop needs GPIO4 pulled high to enable the headphone amplifier,
and has a mute LED on GPIO3. I modelled the patch on the existing
GPIO4 code which pulls the line low for the same purpose; this time,
the HP amp line is pulled high.

v2: Disable the headphone amplifier when no headphone is connected.
    Don't disable power savings to preserve the LED state.

v3: Remove headset-specific hooks and code; this is just a headphone.

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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Keith Packard 2015-07-15 12:14:39 -07:00 • committed by Takashi Iwai

parent 4d0e677523

commit 98973f2f08

1 changed files with 55 additions and 0 deletions

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sound/pci/hda/patch_realtek.c

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