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/* Copyright 2017 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.
*/
/* Zoombini/Meowth specific LED settings. */
#include "common.h"
#include "ec_commands.h"
#include "led_pwm.h"
#include "pwm.h"
#include "util.h"
const enum ec_led_id supported_led_ids[] = {
#ifdef BOARD_MEOWTH
EC_LED_ID_LEFT_LED,
EC_LED_ID_RIGHT_LED,
#else
EC_LED_ID_POWER_LED,
#endif /* defined(BOARD_MEOWTH) */
};
const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids);
#ifdef BOARD_MEOWTH
/* Meowth LED definitions */
/* We won't be using the blue channel long term. */
struct pwm_led led_color_map[EC_LED_COLOR_COUNT] = {
/* Red, Green, Blue */
[EC_LED_COLOR_RED] = { 8, 0, 0 },
[EC_LED_COLOR_GREEN] = { 0, 8, 0 },
[EC_LED_COLOR_BLUE] = { 0, 0, 0 },
[EC_LED_COLOR_YELLOW] = { 8, 24, 0 },
[EC_LED_COLOR_WHITE] = { 0, 0, 0 },
[EC_LED_COLOR_AMBER] = { 12, 9, 0 },
};
/* Two tri-color LEDs with red, green, and blue channels. */
struct pwm_led pwm_leds[CONFIG_LED_PWM_COUNT] = {
{
PWM_CH_DB0_LED_RED,
PWM_CH_DB0_LED_GREEN,
PWM_CH_DB0_LED_BLUE,
},
{
PWM_CH_DB1_LED_RED,
PWM_CH_DB1_LED_GREEN,
PWM_CH_DB1_LED_BLUE,
},
};
#else
/* Zoombini LED definitions. */
struct pwm_led led_color_map[EC_LED_COLOR_COUNT] = {
/* Red, Green, Blue */
[EC_LED_COLOR_RED] = { 100, 0, 0 },
[EC_LED_COLOR_GREEN] = { 0, 100, 0 },
[EC_LED_COLOR_BLUE] = { 0, 0, 0 },
[EC_LED_COLOR_YELLOW] = { 100, 50, 0 },
[EC_LED_COLOR_WHITE] = { 0, 0, 0 },
[EC_LED_COLOR_AMBER] = { 100, 10, 0 },
};
/* A single bi-color LED with red and green channels. */
struct pwm_led pwm_leds[CONFIG_LED_PWM_COUNT] = {
{
.ch0 = PWM_CH_LED_RED,
.ch1 = PWM_CH_LED_GREEN,
.ch2 = PWM_LED_NO_CHANNEL,
},
};
#endif /* !defined(BOARD_MEOWTH) */
void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range)
{
brightness_range[EC_LED_COLOR_RED] = 100;
brightness_range[EC_LED_COLOR_GREEN] = 100;
brightness_range[EC_LED_COLOR_YELLOW] = 100;
brightness_range[EC_LED_COLOR_AMBER] = 100;
/* Zoombini has no blue channel; it's also going away for Meowth. */
brightness_range[EC_LED_COLOR_BLUE] = 0;
brightness_range[EC_LED_COLOR_WHITE] = 0;
}
int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness)
{
enum pwm_led_id pwm_id;
/* Convert ec_led_id to pwm_led_id. */
#ifdef BOARD_MEOWTH
if (led_id == EC_LED_ID_LEFT_LED)
pwm_id = PWM_LED0;
else if (led_id == EC_LED_ID_RIGHT_LED)
pwm_id = PWM_LED1;
#else
if (led_id == EC_LED_ID_POWER_LED)
pwm_id = PWM_LED0;
#endif /* defined(BOARD_MEOWTH) */
else
return EC_ERROR_UNKNOWN;
if (brightness[EC_LED_COLOR_RED])
set_pwm_led_color(pwm_id, EC_LED_COLOR_RED);
else if (brightness[EC_LED_COLOR_GREEN])
set_pwm_led_color(pwm_id, EC_LED_COLOR_GREEN);
else if (brightness[EC_LED_COLOR_YELLOW])
set_pwm_led_color(pwm_id, EC_LED_COLOR_YELLOW);
else if (brightness[EC_LED_COLOR_AMBER])
set_pwm_led_color(pwm_id, EC_LED_COLOR_AMBER);
else
/* Otherwise, the "color" is "off". */
set_pwm_led_color(pwm_id, -1);
return EC_SUCCESS;
}
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