mirror of
https://github.com/LineageOS/android_device_xiaomi_whyred.git
synced 2025-10-03 01:39:16 +02:00
lights: We have only single color led.
Also add additional steps to duty cycle to make notif light fade smoother. Also detect maximum brightness dynamically
This commit is contained in:
Vasishath Kaushal
parent
b9eb4bc24c
commit
abcab1e2cd
5 changed files with 51 additions and 50 deletions
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@ -1,3 +1,4 @@
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//
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// Copyright (C) 2018 The LineageOS Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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@ -24,34 +24,30 @@
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#define LEDS "/sys/class/leds/"
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#define BUTTON1_LED LEDS "button-backlight1/"
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#define BUTTON_LED LEDS "button-backlight/"
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#define LCD_LED LEDS "lcd-backlight/"
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#define WHITE_LED LEDS "white/"
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#define WHITE_LED LEDS "red/"
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#define BLINK "blink"
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#define BRIGHTNESS "brightness"
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#define MAX_BRIGHTNESS "max_brightness"
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#define DUTY_PCTS "duty_pcts"
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#define PAUSE_HI "pause_hi"
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#define PAUSE_LO "pause_lo"
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#define RAMP_STEP_MS "ramp_step_ms"
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#define START_IDX "start_idx"
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#define MAX_LED_BRIGHTNESS 255
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#define MAX_LCD_BRIGHTNESS 4095
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/*
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* 8 duty percent steps.
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*/
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#define RAMP_STEPS 8
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#define RAMP_STEPS 15
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/*
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* Each step will stay on for 50ms by default.
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*/
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#define RAMP_STEP_DURATION 50
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#define RAMP_STEP_DURATION 150
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/*
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* Each value represents a duty percent (0 - 100) for the led pwm.
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*/
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static int32_t BRIGHTNESS_RAMP[RAMP_STEPS] = {0, 12, 25, 37, 50, 72, 85, 100};
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static int32_t BRIGHTNESS_RAMP[RAMP_STEPS] = {0, 12, 25, 37, 50, 72, 85, 100, 85, 72, 50, 37, 25, 12, 0};
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namespace {
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/*
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@ -72,6 +68,25 @@ static void set(std::string path, int value) {
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set(path, std::to_string(value));
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}
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static int get(std::string path) {
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std::ifstream file(path);
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int value;
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if (!file.is_open()) {
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ALOGW("failed to read from %s", path.c_str());
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return 0;
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}
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file >> value;
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return value;
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}
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static int getMaxBrightness(std::string path) {
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int value = get(path);
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ALOGW("Got max brightness %d", value);
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return value;
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}
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static uint32_t getBrightness(const LightState& state) {
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uint32_t alpha, red, green, blue;
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@ -104,16 +119,10 @@ static inline uint32_t getScaledBrightness(const LightState& state, uint32_t max
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}
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static void handleBacklight(Type /* type */, const LightState& state) {
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uint32_t brightness = getScaledBrightness(state, MAX_LCD_BRIGHTNESS);
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uint32_t brightness = getScaledBrightness(state, getMaxBrightness(LCD_LED MAX_BRIGHTNESS));
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set(LCD_LED BRIGHTNESS, brightness);
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}
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static void handleButtons(Type /* type */, const LightState& state) {
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uint32_t brightness = getScaledBrightness(state, MAX_LED_BRIGHTNESS);
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set(BUTTON_LED BRIGHTNESS, brightness);
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set(BUTTON1_LED BRIGHTNESS, brightness);
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}
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/*
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* Scale each value of the brightness ramp according to the
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* brightness of the color.
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@ -130,7 +139,7 @@ static std::string getScaledRamp(uint32_t brightness) {
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}
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static void setNotification(const LightState& state) {
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uint32_t whiteBrightness = getScaledBrightness(state, MAX_LED_BRIGHTNESS);
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uint32_t whiteBrightness = getScaledBrightness(state, getMaxBrightness(WHITE_LED MAX_BRIGHTNESS));
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/* Disable blinking */
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set(WHITE_LED BLINK, 0);
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@ -146,7 +155,7 @@ static void setNotification(const LightState& state) {
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int32_t pauseLo = state.flashOffMs;
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if (pauseHi < 0) {
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stepDuration = state.flashOnMs / (RAMP_STEPS * 2);
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//stepDuration = state.flashOnMs / (RAMP_STEPS * 2);
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pauseHi = 0;
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}
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@ -179,30 +188,25 @@ static std::vector<std::pair<Type, LightState>> notificationStates = {
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};
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static void handleNotification(Type type, const LightState& state) {
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bool handled = false;
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for (auto it : notificationStates) {
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for(auto it : notificationStates) {
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if (it.first == type) {
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it.second = state;
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}
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if (!handled && isLit(it.second)) {
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if (isLit(it.second)) {
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setNotification(it.second);
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handled = true;
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return;
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}
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}
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if (!handled) {
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setNotification(offState);
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}
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}
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static std::map<Type, std::function<void(Type, const LightState&)>> lights = {
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static std::map<Type, std::function<void(Type type, const LightState&)>> lights = {
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{ Type::ATTENTION, handleNotification },
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{ Type::NOTIFICATIONS, handleNotification },
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{ Type::BATTERY, handleNotification },
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{ Type::BACKLIGHT, handleBacklight },
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{ Type::BUTTONS, handleButtons },
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};
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} // anonymous namespace
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@ -21,11 +21,12 @@
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#include <hardware/lights.h>
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#include <hidl/Status.h>
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#include <map>
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#include <mutex>
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#include <vector>
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#include <mutex>
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using ::android::hardware::Return;
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using ::android::hardware::Void;
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using ::android::hardware::hidl_vec;
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using ::android::hardware::light::V2_0::ILight;
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using ::android::hardware::light::V2_0::Flash;
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using ::android::hardware::light::V2_0::LightState;
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@ -1,23 +1,18 @@
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on boot
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# White light
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chown system system /sys/class/leds/white/brightness
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chown system system /sys/class/leds/red/brightness
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chown system system /sys/class/leds/red/blink
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chown system system /sys/class/leds/red/duty_pcts
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chown system system /sys/class/leds/red/pause_hi
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chown system system /sys/class/leds/red/pause_lo
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chown system system /sys/class/leds/red/ramp_step_ms
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chown system system /sys/class/leds/red/start_idx
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chown system system /sys/class/leds/white/blink
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chown system system /sys/class/leds/white/duty_pcts
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chown system system /sys/class/leds/white/pause_hi
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chown system system /sys/class/leds/white/pause_lo
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chown system system /sys/class/leds/white/ramp_step_ms
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chown system system /sys/class/leds/white/start_idx
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chmod 660 /sys/class/leds/white/blink
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chmod 660 /sys/class/leds/white/duty_pcts
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chmod 660 /sys/class/leds/white/pause_hi
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chmod 660 /sys/class/leds/white/pause_lo
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chmod 660 /sys/class/leds/white/ramp_step_ms
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chmod 660 /sys/class/leds/white/start_idx
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# Button backlight
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chown system system /sys/class/leds/button-backlight1/brightness
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chmod 660 /sys/class/leds/red/blink
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chmod 660 /sys/class/leds/red/duty_pcts
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chmod 660 /sys/class/leds/red/pause_hi
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chmod 660 /sys/class/leds/red/pause_lo
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chmod 660 /sys/class/leds/red/ramp_step_ms
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chmod 660 /sys/class/leds/red/start_idx
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service light-hal-2-0 /vendor/bin/hw/android.hardware.light@2.0-service.xiaomi_sdm660
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class hal
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@ -14,7 +14,7 @@
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* limitations under the License.
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*/
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#define LOG_TAG "android.hardware.light@2.0-service.xiaomi_msm8998"
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#define LOG_TAG "android.hardware.light@2.0-service.xiaomi_sdm660"
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#include <hidl/HidlTransportSupport.h>
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@ -31,7 +31,7 @@ using android::sp;
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using android::status_t;
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int main() {
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sp<ILight> service = new Light();
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android::sp<ILight> service = new Light();
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configureRpcThreadpool(1, true);
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