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/linux-master/sound/pci/hda/ | ||
H A D | patch_realtek.c | diff 98973f2f Wed Jul 15 01:14:39 MDT 2015 Keith Packard <keithp@keithp.com> ALSA: hda/realtek: Enable HP amp and mute LED on HP Folio 9480m [v3] 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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