diff options
Diffstat (limited to 'lights/lights.c')
| -rw-r--r-- | lights/lights.c | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/lights/lights.c b/lights/lights.c deleted file mode 100644 index c8e4149..0000000 --- a/lights/lights.c +++ /dev/null @@ -1,209 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * Copyright (C) 2014 - 2015 The Linux Foundation. All rights reserved. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - - -// #define LOG_NDEBUG 0 - -#include <cutils/log.h> - -#include <string.h> -#include <errno.h> -#include <pthread.h> -#include <stdlib.h> - -#include <hardware/lights.h> - -/******************************************************************************/ -#define SET_LIGHT(color) (color & 0xffffff ? 0x28 : 0) - -static pthread_once_t g_init = PTHREAD_ONCE_INIT; -static pthread_mutex_t g_lock = PTHREAD_MUTEX_INITIALIZER; - -char const* const LED1_LED_FILE - = "/sys/class/leds/led1/brightness"; - -char const* const LED2_LED_FILE - = "/sys/class/leds/led2/brightness"; - -char const* const LED3_LED_FILE - = "/sys/class/leds/led3/brightness"; - -char const* const BLUETOOTH_LED_FILE - = "/sys/class/leds/bt/brightness"; - -char const* const WIFI_LED_FILE - = "/sys/class/leds/wlan/brightness"; - -/** - * device methods - */ - -void init_globals(void) -{ - // init the mutex - pthread_mutex_init(&g_lock, NULL); -} - -static int write_int(char const* path, int value) -{ - FILE *fd; - - fd = fopen(path, "w+"); - if (fd) { - int bytes = fprintf(fd, "%d", value); - fclose(fd); - return (bytes < 0 ? bytes : 0); - } else { - ALOGE("write_int failed to open %s\n", path); - return -errno; - } -} - -static int set_light_notifications(struct light_device_t* dev, - struct light_state_t const* state) -{ - int err = 0; - if(!dev) { - return -1; - } - pthread_mutex_lock(&g_lock); - err = write_int(LED1_LED_FILE, SET_LIGHT(state->color)); - pthread_mutex_unlock(&g_lock); - return err; -} - -static int set_light_attention(struct light_device_t* dev, - struct light_state_t const* state) -{ - int err = 0; - if(!dev) { - return -1; - } - pthread_mutex_lock(&g_lock); - err = write_int(LED2_LED_FILE, SET_LIGHT(state->color)); - pthread_mutex_unlock(&g_lock); - return err; -} - -static int set_light_buttons(struct light_device_t* dev, - struct light_state_t const* state) -{ - int err = 0; - if(!dev) { - return -1; - } - pthread_mutex_lock(&g_lock); - err = write_int(LED3_LED_FILE, SET_LIGHT(state->color)); - pthread_mutex_unlock(&g_lock); - return err; -} - -static int set_light_bluetooth(struct light_device_t* dev, - struct light_state_t const* state) -{ - int err = 0; - if(!dev) { - return -1; - } - pthread_mutex_lock(&g_lock); - err = write_int(BLUETOOTH_LED_FILE, SET_LIGHT(state->color)); - pthread_mutex_unlock(&g_lock); - return err; -} - -static int set_light_wifi(struct light_device_t* dev, - struct light_state_t const* state) -{ - int err = 0; - if(!dev) { - return -1; - } - pthread_mutex_lock(&g_lock); - err = write_int(WIFI_LED_FILE, SET_LIGHT(state->color)); - pthread_mutex_unlock(&g_lock); - return err; -} - -/** Close the lights device */ -static int close_lights(struct light_device_t *dev) -{ - if (dev) { - free(dev); - } - return 0; -} - - -/******************************************************************************/ - -/** - * module methods - */ - -/** Open a new instance of a lights device using name */ -static int open_lights(const struct hw_module_t* module, char const* name, - struct hw_device_t** device) -{ - int (*set_light)(struct light_device_t* dev, - struct light_state_t const* state); - - if (0 == strcmp(LIGHT_ID_NOTIFICATIONS, name)) - set_light = set_light_notifications; - else if (0 == strcmp(LIGHT_ID_ATTENTION, name)) - set_light = set_light_attention; - else if (0 == strcmp(LIGHT_ID_BUTTONS, name)) - set_light = set_light_buttons; - else if (0 == strcmp(LIGHT_ID_BLUETOOTH, name)) - set_light = set_light_bluetooth; - else if (0 == strcmp(LIGHT_ID_WIFI, name)) - set_light = set_light_wifi; - else - return -EINVAL; - - pthread_once(&g_init, init_globals); - - struct light_device_t *dev = calloc( 1, sizeof(struct light_device_t)); - - if(!dev) - return -ENOMEM; - - dev->common.tag = HARDWARE_DEVICE_TAG; - dev->common.version = 0; - dev->common.module = (struct hw_module_t*)module; - dev->common.close = (int (*)(struct hw_device_t*))close_lights; - dev->set_light = set_light; - - *device = (struct hw_device_t*)dev; - return 0; -} - -static struct hw_module_methods_t lights_module_methods = { - .open = open_lights, -}; - -/* - * The lights Module - */ -struct hw_module_t HAL_MODULE_INFO_SYM = { - .tag = HARDWARE_MODULE_TAG, - .version_major = 1, - .version_minor = 0, - .id = LIGHTS_HARDWARE_MODULE_ID, - .name = "Lights Module", - .author = "Qualcomm", - .methods = &lights_module_methods, -}; |