mirror of
https://github.com/Telecominfraproject/OpenCellular.git
synced 2026-01-09 17:11:42 +00:00
aceec6e4b8
Having seen how bright the LEDs are without a diffuser, let's turn the brightness way down for the time being. BUG=None BRANCH=None TEST=Flash a meowth, notice it's much less bright, listen to the praises of my retinas. TEST=Flash zoombini, verify that LEDs still work as before, just dimmer. Change-Id: I7762ba9f0a7ce930b7b177c6d11ed664a87019e0 Signed-off-by: Aseda Aboagye <aaboagye@google.com> Reviewed-on: https://chromium-review.googlesource.com/823281 Commit-Ready: Aseda Aboagye <aaboagye@chromium.org> Tested-by: Aseda Aboagye <aaboagye@chromium.org> Reviewed-by: Shawn N <shawnn@chromium.org>
123 lines
2.9 KiB
C
123 lines
2.9 KiB
C
/* 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 LED control to conform to Chrome OS LED behaviour specification. */
|
|
|
|
/*
|
|
* TODO(crbug.com/752553): This should be turned into common code such that
|
|
* boards that use PWM controlled LEDs can share code to follow the Chrome OS
|
|
* LED behaviour spec. If possible, tie into led_policy_std.c.
|
|
*/
|
|
|
|
#include "charge_state.h"
|
|
#include "chipset.h"
|
|
#include "common.h"
|
|
#include "hooks.h"
|
|
#include "pwm.h"
|
|
#include "timer.h"
|
|
|
|
enum led_id {
|
|
EC_LED_ID_POWER = 0,
|
|
EC_LED_ID_BATTERY,
|
|
EC_LED_ID_COUNT,
|
|
};
|
|
|
|
static enum pwm_channel led_pwm_ch_map[EC_LED_ID_COUNT] = {
|
|
#ifdef BOARD_MEOWTH
|
|
[EC_LED_ID_POWER] = PWM_CH_DB0_LED_GREEN,
|
|
[EC_LED_ID_BATTERY] = PWM_CH_DB0_LED_RED,
|
|
#else /* !defined(BOARD_MEOWTH) */
|
|
[EC_LED_ID_POWER] = PWM_CH_LED_GREEN,
|
|
[EC_LED_ID_BATTERY] = PWM_CH_LED_RED,
|
|
#endif /* defined(BOARD_MEOWTH) */
|
|
};
|
|
|
|
static void set_led_state(enum led_id id, int on)
|
|
{
|
|
int val;
|
|
#ifdef BOARD_MEOWTH
|
|
val = on ? 98 : 100;
|
|
#else /* !defined(BOARD_MEOWTH) */
|
|
val = on ? 90 : 100;
|
|
#endif /* defined(BOARD_MEOWTH) */
|
|
|
|
pwm_set_duty(led_pwm_ch_map[id], val);
|
|
}
|
|
|
|
static uint8_t power_led_is_pulsing;
|
|
|
|
static void pulse_power_led(void);
|
|
DECLARE_DEFERRED(pulse_power_led);
|
|
static void pulse_power_led(void)
|
|
{
|
|
static uint8_t tick_count;
|
|
|
|
if (!power_led_is_pulsing) {
|
|
tick_count = 0;
|
|
return;
|
|
}
|
|
|
|
if (tick_count == 0)
|
|
set_led_state(EC_LED_ID_POWER, 1);
|
|
else
|
|
set_led_state(EC_LED_ID_POWER, 0);
|
|
|
|
/* 4 second period, 25% duty cycle. */
|
|
tick_count = (tick_count + 1) % 4;
|
|
hook_call_deferred(&pulse_power_led_data, SECOND);
|
|
}
|
|
|
|
static void power_led_update(void)
|
|
{
|
|
if (chipset_in_state(CHIPSET_STATE_ON)) {
|
|
/* Make sure we stop pulsing. */
|
|
power_led_is_pulsing = 0;
|
|
/* The power LED must be on in the Active state. */
|
|
set_led_state(EC_LED_ID_POWER, 1);
|
|
} else if (chipset_in_state(CHIPSET_STATE_ANY_SUSPEND)) {
|
|
/* The power LED must pulse in the Suspend state. */
|
|
if (!power_led_is_pulsing) {
|
|
power_led_is_pulsing = 1;
|
|
pulse_power_led();
|
|
}
|
|
} else if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) {
|
|
/* Make sure we stop pulsing. */
|
|
power_led_is_pulsing = 0;
|
|
/* The power LED must be off in the Deep Sleep state. */
|
|
set_led_state(EC_LED_ID_POWER, 0);
|
|
}
|
|
}
|
|
|
|
static void battery_led_update(void)
|
|
{
|
|
enum charge_state chg_st = charge_get_state();
|
|
|
|
switch (chg_st) {
|
|
case PWR_STATE_DISCHARGE:
|
|
case PWR_STATE_IDLE:
|
|
set_led_state(EC_LED_ID_BATTERY, 0);
|
|
break;
|
|
|
|
/*
|
|
* We don't have another color to distingush full, so make it
|
|
* the same as charging.
|
|
*/
|
|
case PWR_STATE_CHARGE_NEAR_FULL:
|
|
case PWR_STATE_CHARGE:
|
|
set_led_state(EC_LED_ID_BATTERY, 1);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void update_leds(void)
|
|
{
|
|
power_led_update();
|
|
battery_led_update();
|
|
}
|
|
DECLARE_HOOK(HOOK_TICK, update_leds, HOOK_PRIO_DEFAULT);
|