liblights: properly working liblights
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c63c30b715
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9e61f1a611
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@ -1,7 +1,7 @@
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/*
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* Copyright (C) 2008 The Android Open Source Project
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* Copyright (C) 2017 The M.A.D. Team
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* Fixed for M2 Mini by Dinolek
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* Ported to M2 Note by Moyster
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* Copyright (C) 2018 MoYsTeR
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@ -17,18 +17,18 @@
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*/
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#define LOG_TAG "Lights"
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#define LOG_TAG "lights"
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#include <cutils/log.h>
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#include <stdlib.h>
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#include <pthread.h>
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#include <stdint.h>
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#include <string.h>
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#include <unistd.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <pthread.h>
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#include <time.h>
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#include <stdlib.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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@ -37,11 +37,21 @@
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static pthread_once_t g_init = PTHREAD_ONCE_INIT;
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static pthread_mutex_t g_lock = PTHREAD_MUTEX_INITIALIZER;
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static struct light_state_t g_attention;
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static int g_attention;
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static struct light_state_t g_battery;
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static struct light_state_t g_notification;
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static int g_backlight = 255;
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/* MEIZU LED */
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char const *const MEIZU_LED_FILE = "/sys/class/leds/button-backlight/brightness";
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char const *const MEIZU_TRIGGER_FILE = "/sys/class/leds/button-backlight/trigger";
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char const *const MEIZU_DELAY_ON_FILE = "/sys/class/leds/button-backlight/delay_on";
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char const *const MEIZU_DELAY_OFF_FILE = "/sys/class/leds/button-backlight/delay_off";
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/* BACKLIGHT */
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char const *const LCD_FILE = "/sys/class/leds/lcd-backlight/brightness";
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char const *const LEDS_FILE = "/sys/class/leds/button-backlight/trigger";
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/* device methods */
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void init_globals(void)
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@ -53,7 +63,6 @@ void init_globals(void)
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static int write_int(char const *path, int value)
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{
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int fd;
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static int already_warned;
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fd = open(path, O_RDWR);
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if (fd >= 0) {
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@ -64,10 +73,6 @@ static int write_int(char const *path, int value)
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close(fd);
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return amt == -1 ? -errno : 0;
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} else {
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if (already_warned == 0) {
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ALOGE("Write_int failed to open %s\n", path);
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already_warned = 1;
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}
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return -errno;
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}
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}
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@ -94,6 +99,39 @@ static int is_lit(struct light_state_t const *state)
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return state->color & 0x00ffffff;
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}
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static int meizu_blink(int level, int onMS, int offMS)
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{
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static int preStatus; /* 0: off, 1: blink, 2: no blink */
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int nowStatus;
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int i = 0;
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if (level == 0)
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nowStatus = 0;
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else if (onMS && offMS)
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nowStatus = 1;
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else
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nowStatus = 2;
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if (preStatus == nowStatus)
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return -1;
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if (nowStatus == 0)
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write_int(MEIZU_LED_FILE, 0);
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else if (nowStatus == 1) {
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write_str(MEIZU_TRIGGER_FILE, "timer");
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while (((access(MEIZU_DELAY_OFF_FILE, F_OK) == -1) ||
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(access(MEIZU_DELAY_OFF_FILE, R_OK|W_OK) == -1)) && i < 10) {
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i++;
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}
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write_int(MEIZU_DELAY_OFF_FILE, offMS);
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write_int(MEIZU_DELAY_ON_FILE, onMS);
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} else {
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write_str(MEIZU_TRIGGER_FILE, "none");
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write_int(MEIZU_LED_FILE, 255); /* default full brightness */
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}
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preStatus = nowStatus;
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return 0;
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}
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static int rgb_to_brightness(struct light_state_t const *state)
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{
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@ -103,89 +141,12 @@ static int rgb_to_brightness(struct light_state_t const *state)
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+ (150*((color>>8)&0x00ff)) + (29*(color&0x00ff))) >> 8;
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}
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static int set_speaker_light_locked(struct light_device_t *dev,
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struct light_state_t const *state)
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{
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if (!dev)
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return -1;
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if (state) {
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write_str(LEDS_FILE, "timer");
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}
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return 0;
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}
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static int unset_speaker_light_locked(struct light_device_t *dev)
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{
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if (!dev)
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return -1;
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write_str(LEDS_FILE, "none");
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return 0;
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}
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static void handle_speaker_light_locked(struct light_device_t *dev)
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{
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if (is_lit(&g_attention))
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set_speaker_light_locked(dev, &g_attention);
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else if (is_lit(&g_notification))
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set_speaker_light_locked(dev, &g_notification);
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else
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unset_speaker_light_locked(dev);
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}
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static int set_light_notifications(struct light_device_t *dev,
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struct light_state_t const *state)
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{
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pthread_mutex_lock(&g_lock);
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unsigned int brightness;
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unsigned int color;
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unsigned int rgb[3];
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g_notification = *state;
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/* If a brightness has been applied by the user */
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brightness = (g_notification.color & 0xFF000000) >> 24;
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if (brightness > 0 && brightness < 0xFF) {
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/* Retrieve each of the RGB colors */
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color = g_notification.color & 0x00FFFFFF;
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rgb[0] = (color >> 16) & 0xFF;
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rgb[1] = (color >> 8) & 0xFF;
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rgb[2] = color & 0xFF;
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/* Apply the brightness level */
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if (rgb[0] > 0)
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rgb[0] = (rgb[0] * brightness) / 0xFF;
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if (rgb[1] > 0)
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rgb[1] = (rgb[1] * brightness) / 0xFF;
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if (rgb[2] > 0)
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rgb[2] = (rgb[2] * brightness) / 0xFF;
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/* Update with the new color */
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g_notification.color = (rgb[0] << 16) + (rgb[1] << 8) + rgb[2];
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}
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handle_speaker_light_locked(dev);
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pthread_mutex_unlock(&g_lock);
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return 0;
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}
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static int set_light_attention(struct light_device_t *dev,
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struct light_state_t const *state)
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{
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pthread_mutex_lock(&g_lock);
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g_attention = *state;
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handle_speaker_light_locked(dev);
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pthread_mutex_unlock(&g_lock);
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return 0;
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}
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static int set_light_backlight(struct light_device_t *dev,
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struct light_state_t const *state)
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struct light_state_t const *state)
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{
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if (!dev) {
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if (!dev)
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return -1;
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}
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int err = 0;
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int brightness = rgb_to_brightness(state);
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@ -195,6 +156,90 @@ static int set_light_backlight(struct light_device_t *dev,
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return err;
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}
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static int set_speaker_light_locked(struct light_device_t *dev,
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struct light_state_t const *state)
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{
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int len;
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int alpha, red, green;
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int onMS, offMS;
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unsigned int colorRGB;
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switch (state->flashMode) {
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case LIGHT_FLASH_TIMED:
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onMS = state->flashOnMS;
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offMS = state->flashOffMS;
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break;
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case LIGHT_FLASH_NONE:
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default:
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onMS = 0;
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offMS = 0;
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break;
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}
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colorRGB = state->color;
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alpha = (colorRGB >> 24) & 0xFF;
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if (alpha) {
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red = (colorRGB >> 16) & 0xFF;
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green = (colorRGB >> 8) & 0xFF;
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} else { /* alpha = 0 means turn the LED off */
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red = green = 0;
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}
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if (red)
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meizu_blink(red, onMS, offMS);
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else if (green)
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meizu_blink(green, onMS, offMS);
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else
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meizu_blink(0, 0, 0);
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return 0;
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}
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static void handle_speaker_battery_locked(struct light_device_t *dev)
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{
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if (is_lit(&g_battery)) {
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set_speaker_light_locked(dev, &g_battery);
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} else {
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set_speaker_light_locked(dev, &g_battery); /* Turkey workaround: notification and Low battery case, IPO bootup, NLED cannot blink */
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set_speaker_light_locked(dev, &g_notification);
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}
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}
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static int set_light_battery(struct light_device_t *dev,
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struct light_state_t const *state)
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{
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pthread_mutex_lock(&g_lock);
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g_battery = *state;
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handle_speaker_battery_locked(dev);
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pthread_mutex_unlock(&g_lock);
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return 0;
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}
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static int set_light_notifications(struct light_device_t *dev,
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struct light_state_t const *state)
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{
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pthread_mutex_lock(&g_lock);
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g_notification = *state;
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handle_speaker_battery_locked(dev);
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pthread_mutex_unlock(&g_lock);
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return 0;
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}
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static int set_light_attention(struct light_device_t *dev,
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struct light_state_t const *state)
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{
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pthread_mutex_lock(&g_lock);
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if (state->flashMode == LIGHT_FLASH_HARDWARE)
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g_attention = state->flashOnMS;
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else if (state->flashMode == LIGHT_FLASH_NONE)
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g_attention = 0;
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pthread_mutex_unlock(&g_lock);
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return 0;
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}
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/* Close the lights device */
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static int close_lights(struct light_device_t *dev)
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{
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@ -251,6 +296,6 @@ struct hw_module_t HAL_MODULE_INFO_SYM = {
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.version_minor = 0,
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.id = LIGHTS_HARDWARE_MODULE_ID,
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.name = "Meizu Lights Module",
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.author = "Mediatek",
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.author = "MediaTek",
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.methods = &lights_module_methods,
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};
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