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| author | Randall Spangler <rspangler@chromium.org> | 2011-12-07 18:51:09 +0000 |
|---|---|---|
| committer | Vincent Palatin <vpalatin@chromium.org> | 2011-12-07 19:10:02 +0000 |
| commit | bdf7da5b082f6d18dd27f1e5d8cca0b12154a28c (patch) | |
| tree | 6f14312a6cc70d056efc2bede8728c0868266719 /include/pwm.h | |
| parent | abe5786058f4b60dc6d30e7d7c964aae850caa1f (diff) | |
| download | chrome-ec-bdf7da5b082f6d18dd27f1e5d8cca0b12154a28c.tar.gz | |
Initial sources import 1/3
source files mainly done by Randall.
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Change-Id: Iaff83a842b17f3350fb6f2a3f1597ad4c29bd12a
Diffstat (limited to 'include/pwm.h')
| -rw-r--r-- | include/pwm.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/pwm.h b/include/pwm.h new file mode 100644 index 0000000000..50534f2434 --- /dev/null +++ b/include/pwm.h @@ -0,0 +1,28 @@ +/* Copyright (c) 2011 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +/* PWM module for Chrome EC */ + +#ifndef __CROS_EC_PWM_H +#define __CROS_EC_PWM_H + +#include "common.h" + +/* Initializes the module. */ +int pwm_init(void); + +/* Gets the current fan RPM. */ +int pwm_get_fan_rpm(void); + +/* Sets the target fan RPM. Pass -1 to set fan to maximum. */ +int pwm_set_fan_target_rpm(int rpm); + +/* Sets the keyboard backlight percentage (0=off, 100=max). */ +int pwm_set_keyboard_backlight(int percent); + +/* Sets the power LED brightness to the specified percent (0=off, 100=max). */ +int pwm_set_power_led(int percent); + +#endif /* __CROS_EC_PWM_H */ |