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Signed-off-by: Randall Spangler <rspangler@chromium.org> BUG=chrome-os-partner:7832 TEST=manual 1. Power on system 2. From ec console: kblight 100 3. Use a magnet next to the left shift key to trigger the lid switch. Screen and keyboard should go dark. 4. Remove the magnet and they should light up again. Change-Id: I298ea94930976153d8dcd102316b010ee28cd747
42 lines
1.1 KiB
C
42 lines
1.1 KiB
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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/* Initialize the module. */
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int pwm_init(void);
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/* Enable/disable 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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/* Get the current fan RPM. */
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int pwm_get_fan_rpm(void);
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/* Get the target fan RPM. */
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int pwm_get_fan_target_rpm(void);
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/* Set 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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/* Enable/disable the keyboard backlight. */
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int pwm_enable_keyboard_backlight(int enable);
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/* Get the keyboard backlight percentage (0=off, 100=max). */
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int pwm_get_keyboard_backlight(void);
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/* Set the keyboard backlight percentage (0=off, 100=max). */
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int pwm_set_keyboard_backlight(int percent);
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/* Set 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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