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/* Copyright 2022 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.
*/
/*
* Ghost specific PWM LED settings.
*
* Early boards have 2 PWM LEDs which we simply treat as power
* indicators.
*/
#include <stdint.h>
#include "common.h"
#include "compile_time_macros.h"
#include "ec_commands.h"
#include "pwm.h"
#include "util.h"
const enum ec_led_id supported_led_ids[] = {
EC_LED_ID_POWER_LED,
};
const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids);
void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range)
{
memset(brightness_range, '\0',
sizeof(*brightness_range) * EC_LED_COLOR_COUNT);
brightness_range[EC_LED_COLOR_WHITE] = 100;
}
int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness)
{
uint8_t duty_percent;
if (led_id != EC_LED_ID_POWER_LED)
return EC_ERROR_UNKNOWN;
duty_percent = brightness[EC_LED_COLOR_WHITE];
if (duty_percent > 100)
duty_percent = 100;
pwm_set_duty(PWM_CH_LED1, duty_percent);
pwm_set_duty(PWM_CH_LED2, duty_percent);
return EC_SUCCESS;
}
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