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kernel_google_b1c1/include/linux/thinkpad_acpi.h

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thinkpad-acpi: Add mute and mic-mute LED functionality The LEDs are currently not visible to userspace, for security reasons. They are exported through thinkpad_acpi.h for use by the snd-hda-intel driver. Thanks to Alex Hung <alex.hung@canonical.com> and Takashi Iwai <tiwai@suse.de> for writing parts of this patch. Signed-off-by: David Henningsson <david.henningsson@canonical.com> Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-10-16 23:10:31 +02:00
#ifndef __THINKPAD_ACPI_H__
#define __THINKPAD_ACPI_H__
/* These two functions return 0 if success, or negative error code
(e g -ENODEV if no led present) */
enum {
TPACPI_LED_MUTE,
TPACPI_LED_MICMUTE,
TPACPI_LED_MAX,
};
int tpacpi_led_set(int whichled, bool on);
#endif
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