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63a71a6adc
Glue between the existing ectool led command and the led control logic. BUG=chrome-os-partner:20776 BRANCH=peppy TEST=Manual. Run "ectool led" commands: Should pass: ectool led power blue|yellow|off|auto|blue=1 yellow=1 ectool led battery blue|yellow|off|auto|blue=1 yellow=1 Should fail: ectool led adapter <color> ectool led power|battery red|green|white Signed-off-by: Dave Parker <dparker@chromium.org> Change-Id: I2540940baa553866760dd9ae62278b6b845793ef Reviewed-on: https://gerrit.chromium.org/gerrit/64627
64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/* Copyright (c) 2013 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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* Common functions for blinking LEDs.
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*/
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#ifndef __CROS_EC_LED_COMMON_H
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#define __CROS_EC_LED_COMMON_H
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#include "ec_commands.h"
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/* Defined in led_<board>.c */
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extern const enum ec_led_id supported_led_ids[];
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/* Defined in led_<board>.c */
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extern const int supported_led_ids_count;
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/**
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* Enable or diable automatic control of an LED.
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*
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* @param led_id ID of LED to enable or disable automatic control.
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* @param enable 1 to enable . 0 to disable
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*
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*/
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void led_auto_control(enum ec_led_id led_id, int enable);
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/**
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* Whether an LED is under automatic control.
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*
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* @param led_id ID of LED to query.
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*
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* @returns 1 if LED is under automatic control. 0 if it is not.
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*
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*/
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int led_auto_control_is_enabled(enum ec_led_id led_id);
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/**
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* Query brightness per color channel for an LED.
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*
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* @param led_id ID of LED to query.
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* @param brightness_range Points to EC_LED_COLOR_COUNT element array
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* where current brightness will be stored.
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* Value per color channel:
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* 0 unsupported,
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* 1 on/off control,
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* 2 -> 255 max brightness under PWM control.
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*
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*/
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void led_get_brightness_range(enum ec_led_id, uint8_t *brightness_range);
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/**
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* Set brightness per color channel for an LED.
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*
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* @param led_id ID of LED to set.
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* @param brightness Brightness per color channel to set.
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*
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* @returns EC_SUCCESS or EC_ERROR_INVAL
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*
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*/
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int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness);
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#endif /* __CROS_EC_LED_COMMON_H */
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