diff options
Diffstat (limited to 'board/kappa/led.c')
-rw-r--r-- | board/kappa/led.c | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/board/kappa/led.c b/board/kappa/led.c deleted file mode 100644 index 5b65d7b948..0000000000 --- a/board/kappa/led.c +++ /dev/null @@ -1,147 +0,0 @@ -/* Copyright 2020 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. - * - * Power and battery LED control for Kappa - */ - -#include "charge_state.h" -#include "extpower.h" -#include "hooks.h" -#include "ioexpander.h" -#include "led_common.h" - -#define BAT_LED_ON 0 -#define BAT_LED_OFF 1 - -const enum ec_led_id supported_led_ids[] = {EC_LED_ID_BATTERY_LED}; - -const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids); - -enum led_color { - LED_OFF = 0, - LED_AMBER, - LED_WHITE, - LED_COLOR_COUNT /* Number of colors, not a color itself */ -}; - -static int led_set_color_battery(enum led_color color) -{ - switch (color) { - case LED_OFF: - ioex_set_level(IOEX_BAT_LED_WHITE_L, BAT_LED_OFF); - ioex_set_level(IOEX_BAT_LED_AMBER_L, BAT_LED_OFF); - break; - case LED_WHITE: - ioex_set_level(IOEX_BAT_LED_WHITE_L, BAT_LED_ON); - ioex_set_level(IOEX_BAT_LED_AMBER_L, BAT_LED_OFF); - break; - case LED_AMBER: - ioex_set_level(IOEX_BAT_LED_WHITE_L, BAT_LED_OFF); - ioex_set_level(IOEX_BAT_LED_AMBER_L, BAT_LED_ON); - break; - default: - return EC_ERROR_UNKNOWN; - } - return EC_SUCCESS; -} - -void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range) -{ - brightness_range[EC_LED_COLOR_WHITE] = 1; - brightness_range[EC_LED_COLOR_AMBER] = 1; -} - -static int led_set_color(enum ec_led_id led_id, enum led_color color) -{ - int rv; - - switch (led_id) { - case EC_LED_ID_BATTERY_LED: - rv = led_set_color_battery(color); - break; - default: - return EC_ERROR_UNKNOWN; - } - return rv; -} - -int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness) -{ - if (brightness[EC_LED_COLOR_WHITE] != 0) - led_set_color(led_id, LED_WHITE); - else if (brightness[EC_LED_COLOR_AMBER] != 0) - led_set_color(led_id, LED_AMBER); - else - led_set_color(led_id, LED_OFF); - - return EC_SUCCESS; -} - -static void led_set_battery(void) -{ - static int battery_ticks; - static int power_ticks; - uint32_t chflags = charge_get_flags(); - - battery_ticks++; - - /* override battery led for system suspend */ - if (chipset_in_state(CHIPSET_STATE_SUSPEND | - CHIPSET_STATE_STANDBY) && - charge_get_state() != PWR_STATE_CHARGE) { - led_set_color_battery(power_ticks++ & 0x2 ? - LED_WHITE : LED_OFF); - return; - } - - power_ticks = 0; - - switch (charge_get_state()) { - case PWR_STATE_CHARGE: - led_set_color_battery(LED_AMBER); - break; - case PWR_STATE_DISCHARGE_FULL: - if (extpower_is_present()) { - led_set_color_battery(LED_WHITE); - break; - } - /* Intentional fall-through */ - case PWR_STATE_DISCHARGE: - /* - * Blink white light (1 sec on, 1 sec off) - * when battery capacity is less than 10% - */ - if (charge_get_percent() < 10) - led_set_color_battery( - (battery_ticks & 0x2) ? LED_WHITE : LED_OFF); - else - led_set_color_battery(LED_OFF); - break; - case PWR_STATE_ERROR: - led_set_color_battery( - (battery_ticks % 0x2) ? LED_WHITE : LED_OFF); - break; - case PWR_STATE_CHARGE_NEAR_FULL: - led_set_color_battery(LED_WHITE); - break; - case PWR_STATE_IDLE: /* External power connected in IDLE */ - if (chflags & CHARGE_FLAG_FORCE_IDLE) - led_set_color_battery( - (battery_ticks & 0x2) ? LED_AMBER : LED_OFF); - else - led_set_color_battery(LED_WHITE); - break; - default: - /* Other states don't alter LED behavior */ - break; - } -} - -/* Called by hook task every TICK */ -static void led_tick(void) -{ - if (led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED)) - led_set_battery(); -} -DECLARE_HOOK(HOOK_TICK, led_tick, HOOK_PRIO_DEFAULT); |