107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani/* 207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * Copyright (C) 2008 The Android Open Source Project 307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * Copyright (C) 2014 The Linux Foundation. All rights reserved. 407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * 507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * Licensed under the Apache License, Version 2.0 (the "License"); 607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * you may not use this file except in compliance with the License. 707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * You may obtain a copy of the License at 807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * 907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * http://www.apache.org/licenses/LICENSE-2.0 1007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * 1107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * Unless required by applicable law or agreed to in writing, software 1207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * distributed under the License is distributed on an "AS IS" BASIS, 1307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * See the License for the specific language governing permissions and 1507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * limitations under the License. 1607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani */ 1707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 1807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 1907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani// #define LOG_NDEBUG 0 2007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 2107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani#include <cutils/log.h> 2207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 2307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani#include <stdint.h> 2407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani#include <stdlib.h> 2507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani#include <string.h> 2607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani#include <unistd.h> 2707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani#include <errno.h> 2807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani#include <fcntl.h> 2907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani#include <pthread.h> 3007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 3107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani#include <sys/ioctl.h> 3207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani#include <sys/types.h> 3307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 3407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani#include <hardware/lights.h> 3507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 3607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani/******************************************************************************/ 3707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 3807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanistatic pthread_once_t g_init = PTHREAD_ONCE_INIT; 3907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanistatic pthread_mutex_t g_lock = PTHREAD_MUTEX_INITIALIZER; 4007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanistatic struct light_state_t g_notification; 4107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanistatic struct light_state_t g_battery; 4207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanistatic int g_attention = 0; 4307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 4407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanichar const*const RED_LED_FILE 4507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani = "/sys/class/leds/red/brightness"; 4607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 4707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanichar const*const GREEN_LED_FILE 4807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani = "/sys/class/leds/green/brightness"; 4907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 5007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanichar const*const BLUE_LED_FILE 5107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani = "/sys/class/leds/blue/brightness"; 5207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 5307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanichar const*const BLUETOOTH_LED_FILE 5407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani = "/sys/class/leds/bt/brightness"; 5507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 5607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanichar const*const LCD_FILE 5707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani = "/sys/class/leds/lcd-backlight/brightness"; 5807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 5907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanichar const*const BUTTON_FILE 6007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani = "/sys/class/leds/button-backlight/brightness"; 6107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 6207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanichar const*const RED_BLINK_FILE 6307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani = "/sys/class/leds/red/blink"; 6407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 6507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanichar const*const GREEN_BLINK_FILE 6607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani = "/sys/class/leds/green/blink"; 6707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 6807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanichar const*const BLUE_BLINK_FILE 6907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani = "/sys/class/leds/blue/blink"; 7007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 7107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani/** 7207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * device methods 7307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani */ 7407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 7507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanivoid init_globals(void) 7607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani{ 7707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani // init the mutex 7807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani pthread_mutex_init(&g_lock, NULL); 7907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani} 8007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 8107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanistatic int 8207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malaniwrite_int(char const* path, int value) 8307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani{ 8407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani int fd; 8507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani static int already_warned = 0; 8607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 8707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani fd = open(path, O_RDWR); 8807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani if (fd >= 0) { 8907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani char buffer[20]; 9007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani int bytes = snprintf(buffer, sizeof(buffer), "%d\n", value); 9107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani ssize_t amt = write(fd, buffer, (size_t)bytes); 9207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani close(fd); 9307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani return amt == -1 ? -errno : 0; 9407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani } else { 9507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani if (already_warned == 0) { 9607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani ALOGE("write_int failed to open %s\n", path); 9707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani already_warned = 1; 9807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani } 9907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani return -errno; 10007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani } 10107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani} 10207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 10307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanistatic int 10407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malaniis_lit(struct light_state_t const* state) 10507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani{ 10607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani return state->color & 0x00ffffff; 10707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani} 10807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 10907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanistatic int 11007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanirgb_to_brightness(struct light_state_t const* state) 11107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani{ 11207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani int color = state->color & 0x00ffffff; 11307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani return ((77*((color>>16)&0x00ff)) 11407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani + (150*((color>>8)&0x00ff)) + (29*(color&0x00ff))) >> 8; 11507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani} 11607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 11707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanistatic int 11807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malaniset_light_backlight(struct light_device_t* dev, 11907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani struct light_state_t const* state) 12007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani{ 12107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani int err = 0; 12207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani int brightness = rgb_to_brightness(state); 12307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani if(!dev) { 12407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani return -1; 12507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani } 12607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani pthread_mutex_lock(&g_lock); 12707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani err = write_int(LCD_FILE, brightness); 12807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani pthread_mutex_unlock(&g_lock); 12907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani return err; 13007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani} 13107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 13207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanistatic int 13307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malaniset_speaker_light_locked(struct light_device_t* dev, 13407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani struct light_state_t const* state) 13507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani{ 13607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani int red, green, blue; 13707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani int blink; 13807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani int onMS, offMS; 13907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani unsigned int colorRGB; 14007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 14107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani if(!dev) { 14207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani return -1; 14307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani } 14407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 14507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani switch (state->flashMode) { 14607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani case LIGHT_FLASH_TIMED: 14707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani onMS = state->flashOnMS; 14807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani offMS = state->flashOffMS; 14907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani break; 15007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani case LIGHT_FLASH_NONE: 15107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani default: 15207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani onMS = 0; 15307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani offMS = 0; 15407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani break; 15507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani } 15607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 15707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani colorRGB = state->color; 15807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 15907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani#if 0 16007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani ALOGD("set_speaker_light_locked mode %d, colorRGB=%08X, onMS=%d, offMS=%d\n", 16107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani state->flashMode, colorRGB, onMS, offMS); 16207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani#endif 16307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 16407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani red = (colorRGB >> 16) & 0xFF; 16507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani green = (colorRGB >> 8) & 0xFF; 16607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani blue = colorRGB & 0xFF; 16707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 16807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani if (onMS > 0 && offMS > 0) { 16907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani /* 17007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * if ON time == OFF time 17107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * use blink mode 2 17207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * else 17307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * use blink mode 1 17407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani */ 17507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani if (onMS == offMS) 17607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani blink = 2; 17707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani else 17807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani blink = 1; 17907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani } else { 18007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani blink = 0; 18107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani } 18207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 18307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani if (blink) { 18407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani if (red) { 18507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani if (write_int(RED_BLINK_FILE, blink)) 18607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani write_int(RED_LED_FILE, 0); 18707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani } 18807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani if (green) { 18907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani if (write_int(GREEN_BLINK_FILE, blink)) 19007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani write_int(GREEN_LED_FILE, 0); 19107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani } 19207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani if (blue) { 19307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani if (write_int(BLUE_BLINK_FILE, blink)) 19407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani write_int(BLUE_LED_FILE, 0); 19507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani } 19607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani } else { 19707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani write_int(RED_LED_FILE, red); 19807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani write_int(GREEN_LED_FILE, green); 19907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani write_int(BLUE_LED_FILE, blue); 20007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani } 20107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 20207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani return 0; 20307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani} 20407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 20507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanistatic void 20607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanihandle_speaker_battery_locked(struct light_device_t* dev) 20707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani{ 20807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani if (is_lit(&g_battery)) { 20907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani set_speaker_light_locked(dev, &g_battery); 21007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani } else { 21107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani set_speaker_light_locked(dev, &g_notification); 21207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani } 21307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani} 21407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 21507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanistatic int 21607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malaniset_light_battery(struct light_device_t* dev, 21707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani struct light_state_t const* state) 21807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani{ 21907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani pthread_mutex_lock(&g_lock); 22007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani g_battery = *state; 22107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani handle_speaker_battery_locked(dev); 22207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani pthread_mutex_unlock(&g_lock); 22307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani return 0; 22407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani} 22507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 22607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanistatic int 22707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malaniset_light_notifications(struct light_device_t* dev, 22807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani struct light_state_t const* state) 22907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani{ 23007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani pthread_mutex_lock(&g_lock); 23107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani g_notification = *state; 23207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani handle_speaker_battery_locked(dev); 23307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani pthread_mutex_unlock(&g_lock); 23407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani return 0; 23507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani} 23607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 23707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanistatic int 23807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malaniset_light_attention(struct light_device_t* dev, 23907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani struct light_state_t const* state) 24007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani{ 24107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani pthread_mutex_lock(&g_lock); 24207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani if (state->flashMode == LIGHT_FLASH_HARDWARE) { 24307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani g_attention = state->flashOnMS; 24407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani } else if (state->flashMode == LIGHT_FLASH_NONE) { 24507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani g_attention = 0; 24607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani } 24707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani handle_speaker_battery_locked(dev); 24807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani pthread_mutex_unlock(&g_lock); 24907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani return 0; 25007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani} 25107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 25207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanistatic int 25307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malaniset_light_buttons(struct light_device_t* dev, 25407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani struct light_state_t const* state) 25507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani{ 25607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani int err = 0; 25707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani if(!dev) { 25807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani return -1; 25907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani } 26007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani pthread_mutex_lock(&g_lock); 26107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani err = write_int(BUTTON_FILE, state->color & 0xFF); 26207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani pthread_mutex_unlock(&g_lock); 26307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani return err; 26407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani} 26507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 26607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanistatic int 26707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malaniset_light_bluetooth(struct light_device_t* dev, 26807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani struct light_state_t const* state) 26907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani{ 27007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani int err = 0; 27107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani if(!dev) { 27207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani return -1; 27307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani } 27407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani pthread_mutex_lock(&g_lock); 27507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani err = write_int(BLUETOOTH_LED_FILE, state->color & 0xFF); 27607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani pthread_mutex_unlock(&g_lock); 27707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani return err; 27807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani} 27907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 28007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani/** Close the lights device */ 28107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanistatic int 28207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malaniclose_lights(struct light_device_t *dev) 28307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani{ 28407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani if (dev) { 28507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani free(dev); 28607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani } 28707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani return 0; 28807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani} 28907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 29007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 29107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani/******************************************************************************/ 29207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 29307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani/** 29407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * module methods 29507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani */ 29607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 29707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani/** Open a new instance of a lights device using name */ 29807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanistatic int open_lights(const struct hw_module_t* module, char const* name, 29907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani struct hw_device_t** device) 30007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani{ 30107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani int (*set_light)(struct light_device_t* dev, 30207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani struct light_state_t const* state); 30307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 30407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani if (0 == strcmp(LIGHT_ID_BACKLIGHT, name)) 30507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani set_light = set_light_backlight; 30607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani else if (0 == strcmp(LIGHT_ID_BATTERY, name)) 30707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani set_light = set_light_battery; 30807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani else if (0 == strcmp(LIGHT_ID_NOTIFICATIONS, name)) 30907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani set_light = set_light_notifications; 31007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani else if (0 == strcmp(LIGHT_ID_BUTTONS, name)) 31107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani set_light = set_light_buttons; 31207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani else if (0 == strcmp(LIGHT_ID_ATTENTION, name)) 31307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani set_light = set_light_attention; 31407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani else if (0 == strcmp(LIGHT_ID_BLUETOOTH, name)) 31507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani set_light = set_light_bluetooth; 31607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani else 31707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani return -EINVAL; 31807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 31907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani pthread_once(&g_init, init_globals); 32007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 32107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani struct light_device_t *dev = malloc(sizeof(struct light_device_t)); 32207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 32307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani if(!dev) 32407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani return -ENOMEM; 32507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 32607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani memset(dev, 0, sizeof(*dev)); 32707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 32807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani dev->common.tag = HARDWARE_DEVICE_TAG; 32907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani dev->common.version = 0; 33007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani dev->common.module = (struct hw_module_t*)module; 33107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani dev->common.close = (int (*)(struct hw_device_t*))close_lights; 33207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani dev->set_light = set_light; 33307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 33407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani *device = (struct hw_device_t*)dev; 33507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani return 0; 33607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani} 33707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 33807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanistatic struct hw_module_methods_t lights_module_methods = { 33907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani .open = open_lights, 34007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani}; 34107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 34207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani/* 34307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * The lights Module 34407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani */ 34507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanistruct hw_module_t HAL_MODULE_INFO_SYM = { 34607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani .tag = HARDWARE_MODULE_TAG, 34707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani .version_major = 1, 34807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani .version_minor = 0, 34907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani .id = LIGHTS_HARDWARE_MODULE_ID, 35007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani .name = "lights Module", 35107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani .author = "Google, Inc.", 35207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani .methods = &lights_module_methods, 35307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani}; 354