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3a460ea765
Signed-off-by: Randall Spangler <rspangler@chromium.org> BUG=chrome-os-partner:8097 TEST=manual faninfo should report fan is disabled powerbtn system turns on, fan turns on faninfo should report fan is enabled powerbtn system turns off, fan turns off faninfo should report fan is disabled again Change-Id: I8e94c142bf18d07f83bac05287bcd503a098cee7
36 lines
997 B
C
36 lines
997 B
C
/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* PWM module for Chrome EC */
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#ifndef __CROS_EC_PWM_H
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#define __CROS_EC_PWM_H
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#include "common.h"
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/* Initializes the module. */
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int pwm_init(void);
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/* Enables/disables the fan. This should be called by whatever function
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* enables the power supply to the fan. */
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int pwm_enable_fan(int enable);
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/* Gets the current fan RPM. */
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int pwm_get_fan_rpm(void);
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/* Sets the target fan RPM. Pass -1 to set fan to maximum. */
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int pwm_set_fan_target_rpm(int rpm);
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/* Gets the keyboard backlight percentage (0=off, 100=max). */
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int pwm_get_keyboard_backlight(void);
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/* Sets the keyboard backlight percentage (0=off, 100=max). */
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int pwm_set_keyboard_backlight(int percent);
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/* Sets the power LED brightness to the specified percent (0=off, 100=max). */
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int pwm_set_power_led(int percent);
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#endif /* __CROS_EC_PWM_H */
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