| /* Copyright 2021 The ChromiumOS Authors |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "ec_commands.h" |
| #include "led_common.h" |
| #include "led_pwm.h" |
| #include "pwm.h" |
| |
| struct pwm_led_color_map led_color_map[EC_LED_COLOR_COUNT] = { |
| /* Green, Red */ |
| [EC_LED_COLOR_RED] = { 0, 100 }, [EC_LED_COLOR_GREEN] = { 100, 0 }, |
| [EC_LED_COLOR_BLUE] = { 0, 0 }, [EC_LED_COLOR_YELLOW] = { 0, 0 }, |
| [EC_LED_COLOR_WHITE] = { 0, 0 }, [EC_LED_COLOR_AMBER] = { 0, 0 }, |
| }; |
| |
| struct pwm_led pwm_leds[CONFIG_LED_PWM_COUNT] = { |
| [PWM_LED0] = { |
| /* left port LEDs */ |
| .ch0 = PWM_CH_LED_GREEN, |
| .ch1 = PWM_CH_LED_RED, |
| .ch2 = PWM_LED_NO_CHANNEL, |
| .enable = &pwm_enable, |
| .set_duty = &pwm_set_duty, |
| }, |
| }; |
| |
| const enum ec_led_id supported_led_ids[] = { |
| EC_LED_ID_BATTERY_LED, |
| 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) |
| { |
| if (led_id == EC_LED_ID_BATTERY_LED) |
| brightness_range[EC_LED_COLOR_RED] = 100; |
| else if (led_id == EC_LED_ID_POWER_LED) |
| brightness_range[EC_LED_COLOR_GREEN] = 100; |
| } |
| |
| 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. */ |
| if (led_id == EC_LED_ID_POWER_LED || led_id == EC_LED_ID_BATTERY_LED) |
| pwm_id = PWM_LED0; |
| 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 |
| /* Otherwise, the "color" is "off". */ |
| set_pwm_led_color(pwm_id, -1); |
| |
| return EC_SUCCESS; |
| } |