wayne: Convert light HAL into a HIDL service

Signed-off-by: dev-harsh1998 <harshit.india@linaro.org>

1 files changed, 0 insertions, 413 deletions

diff --git a/liblight/lights.c b/liblight/lights.c
deleted file mode 100644
index 0e36b4b..0000000
--- a/liblight/lights.c
+++ /dev/null
@@ -1,413 +0,0 @@
-/*
- * Copyright (C) 2014, 2017 The  Linux Foundation. All rights reserved.
- * Not a contribution
- * Copyright (C) 2008 The Android Open Source Project
- *
- * 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 <cutils/properties.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <pthread.h>
-
-#include <sys/ioctl.h>
-#include <sys/types.h>
-
-#include <hardware/lights.h>
-#include "lights_prv.h"
-
-#ifndef DEFAULT_LOW_PERSISTENCE_MODE_BRIGHTNESS
-#define DEFAULT_LOW_PERSISTENCE_MODE_BRIGHTNESS 0x80
-#endif
-
-/******************************************************************************/
-
-static pthread_once_t g_init = PTHREAD_ONCE_INIT;
-static pthread_mutex_t g_lock = PTHREAD_MUTEX_INITIALIZER;
-static struct light_state_t g_notification;
-static struct light_state_t g_battery;
-static int g_last_backlight_mode = BRIGHTNESS_MODE_USER;
-static int g_attention = 0;
-static int g_brightness_max = 0;
-
-char const*const RED_LED_FILE
-        = "/sys/class/leds/red/brightness";
-
-char const*const GREEN_LED_FILE
-        = "/sys/class/leds/green/brightness";
-
-char const*const BLUE_LED_FILE
-        = "/sys/class/leds/blue/brightness";
-
-char const*const LCD_FILE
-        = "/sys/class/leds/lcd-backlight/brightness";
-
-char const*const LCD_FILE2
-        = "/sys/class/backlight/panel0-backlight/brightness";
-
-char const*const BUTTON_FILE
-        = "/sys/class/leds/button-backlight/brightness";
-
-char const*const RED_BLINK_FILE
-        = "/sys/class/leds/red/blink";
-
-char const*const GREEN_BLINK_FILE
-        = "/sys/class/leds/green/blink";
-
-char const*const BLUE_BLINK_FILE
-        = "/sys/class/leds/blue/blink";
-
-char const*const PERSISTENCE_FILE
-        = "/sys/class/graphics/fb0/msm_fb_persist_mode";
-
-/**
- * device methods
- */
-
-void init_globals(void)
-{
-    // init the mutex
-    pthread_mutex_init(&g_lock, NULL);
-}
-
-static int
-write_int(char const* path, int value)
-{
-    int fd;
-    static int already_warned = 0;
-
-    fd = open(path, O_RDWR);
-    if (fd >= 0) {
-        char buffer[20];
-        int bytes = snprintf(buffer, sizeof(buffer), "%d\n", value);
-        ssize_t amt = write(fd, buffer, (size_t)bytes);
-        close(fd);
-        return amt == -1 ? -errno : 0;
-    } else {
-        if (already_warned == 0) {
-            ALOGE("write_int failed to open %s\n", path);
-            already_warned = 1;
-        }
-        return -errno;
-    }
-}
-
-static int
-is_lit(struct light_state_t const* state)
-{
-    return state->color & 0x00ffffff;
-}
-
-static int
-rgb_to_brightness(struct light_state_t const* state)
-{
-    int color = state->color & 0x00ffffff;
-    return ((77*((color>>16)&0x00ff))
-            + (150*((color>>8)&0x00ff)) + (29*(color&0x00ff))) >> 8;
-}
-
-static int
-set_light_backlight(struct light_device_t* dev,
-        struct light_state_t const* state)
-{
-    int err = 0;
-    int brightness = rgb_to_brightness(state);
-    unsigned int lpEnabled =
-        state->brightnessMode == BRIGHTNESS_MODE_LOW_PERSISTENCE;
-    if(!dev) {
-        return -1;
-    }
-
-    pthread_mutex_lock(&g_lock);
-    // Toggle low persistence mode state
-    if ((g_last_backlight_mode != state->brightnessMode && lpEnabled) ||
-        (!lpEnabled &&
-         g_last_backlight_mode == BRIGHTNESS_MODE_LOW_PERSISTENCE)) {
-        if ((err = write_int(PERSISTENCE_FILE, lpEnabled)) != 0) {
-            ALOGE("%s: Failed to write to %s: %s\n", __FUNCTION__,
-                   PERSISTENCE_FILE, strerror(errno));
-        }
-        if (lpEnabled != 0) {
-            brightness = DEFAULT_LOW_PERSISTENCE_MODE_BRIGHTNESS;
-        }
-    }
-
-    g_last_backlight_mode = state->brightnessMode;
-
-    brightness *= brightness;
-
-    if (!err) {
-        if (!access(LCD_FILE, F_OK)) {
-            err = write_int(LCD_FILE, brightness);
-        } else {
-            err = write_int(LCD_FILE2, brightness);
-        }
-    }
-
-    pthread_mutex_unlock(&g_lock);
-    return err;
-}
-
-static int
-set_light_backlight_ext(struct light_device_t* dev,
-        struct light_state_t const* state)
-{
-    int err = 0;
-
-    if(!dev) {
-        return -1;
-    }
-
-    int brightness = state->color & 0x00ffffff;
-    pthread_mutex_lock(&g_lock);
-
-    if (brightness >= 0 && brightness <= g_brightness_max) {
-        set_brightness_ext_level(brightness);
-    }
-
-    pthread_mutex_unlock(&g_lock);
-
-    return err;
-}
-
-static int
-set_speaker_light_locked(struct light_device_t* dev,
-        struct light_state_t const* state)
-{
-    int red, green, blue;
-    int blink;
-    int onMS, offMS;
-    unsigned int colorRGB;
-
-    if(!dev) {
-        return -1;
-    }
-
-    switch (state->flashMode) {
-        case LIGHT_FLASH_TIMED:
-            onMS = state->flashOnMS;
-            offMS = state->flashOffMS;
-            break;
-        case LIGHT_FLASH_NONE:
-        default:
-            onMS = 0;
-            offMS = 0;
-            break;
-    }
-
-    colorRGB = state->color;
-
-#if 0
-    ALOGD("set_speaker_light_locked mode %d, colorRGB=%08X, onMS=%d, offMS=%d\n",
-            state->flashMode, colorRGB, onMS, offMS);
-#endif
-
-    red = (colorRGB >> 16) & 0xFF;
-    green = (colorRGB >> 8) & 0xFF;
-    blue = colorRGB & 0xFF;
-
-    if (onMS > 0 && offMS > 0) {
-        /*
-         * if ON time == OFF time
-         *   use blink mode 2
-         * else
-         *   use blink mode 1
-         */
-        if (onMS == offMS)
-            blink = 2;
-        else
-            blink = 1;
-    } else {
-        blink = 0;
-    }
-
-    if (blink) {
-        if (red) {
-            if (write_int(RED_BLINK_FILE, blink))
-                write_int(RED_LED_FILE, 0);
-    }
-        if (green) {
-            if (write_int(GREEN_BLINK_FILE, blink))
-                write_int(GREEN_LED_FILE, 0);
-    }
-        if (blue) {
-            if (write_int(BLUE_BLINK_FILE, blink))
-                write_int(BLUE_LED_FILE, 0);
-    }
-    } else {
-        write_int(RED_LED_FILE, red);
-        write_int(GREEN_LED_FILE, green);
-        write_int(BLUE_LED_FILE, blue);
-    }
-
-    return 0;
-}
-
-static void
-handle_speaker_battery_locked(struct light_device_t* dev)
-{
-    if (is_lit(&g_battery)) {
-        set_speaker_light_locked(dev, &g_battery);
-    } else {
-        set_speaker_light_locked(dev, &g_notification);
-    }
-}
-
-static int
-set_light_battery(struct light_device_t* dev,
-        struct light_state_t const* state)
-{
-    pthread_mutex_lock(&g_lock);
-    g_battery = *state;
-    handle_speaker_battery_locked(dev);
-    pthread_mutex_unlock(&g_lock);
-    return 0;
-}
-
-static int
-set_light_notifications(struct light_device_t* dev,
-        struct light_state_t const* state)
-{
-    pthread_mutex_lock(&g_lock);
-    g_notification = *state;
-    handle_speaker_battery_locked(dev);
-    pthread_mutex_unlock(&g_lock);
-    return 0;
-}
-
-static int
-set_light_attention(struct light_device_t* dev,
-        struct light_state_t const* state)
-{
-    pthread_mutex_lock(&g_lock);
-    if (state->flashMode == LIGHT_FLASH_HARDWARE) {
-        g_attention = state->flashOnMS;
-    } else if (state->flashMode == LIGHT_FLASH_NONE) {
-        g_attention = 0;
-    }
-    handle_speaker_battery_locked(dev);
-    pthread_mutex_unlock(&g_lock);
-    return 0;
-}
-
-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(BUTTON_FILE, state->color & 0xFF);
-    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_BACKLIGHT, name)) {
-        char property[PROPERTY_VALUE_MAX];
-        property_get("persist.extend.brightness", property, "0");
-
-        if(!(strncmp(property, "1", PROPERTY_VALUE_MAX)) ||
-           !(strncmp(property, "true", PROPERTY_VALUE_MAX))) {
-            property_get("persist.display.max_brightness", property, "255");
-            g_brightness_max = atoi(property);
-            set_brightness_ext_init();
-            set_light = set_light_backlight_ext;
-        } else
-            set_light = set_light_backlight;
-    } else if (0 == strcmp(LIGHT_ID_BATTERY, name))
-        set_light = set_light_battery;
-    else if (0 == strcmp(LIGHT_ID_NOTIFICATIONS, name))
-        set_light = set_light_notifications;
-    else if (0 == strcmp(LIGHT_ID_BUTTONS, name)) {
-        if (!access(BUTTON_FILE, F_OK)) {
-          // enable light button when the file is present
-          set_light = set_light_buttons;
-        } else {
-          return -EINVAL;
-        }
-    }
-    else if (0 == strcmp(LIGHT_ID_ATTENTION, name))
-        set_light = set_light_attention;
-    else
-        return -EINVAL;
-
-    pthread_once(&g_init, init_globals);
-
-    struct light_device_t *dev = malloc(sizeof(struct light_device_t));
-
-    if(!dev)
-        return -ENOMEM;
-
-    memset(dev, 0, sizeof(*dev));
-
-    dev->common.tag = HARDWARE_DEVICE_TAG;
-    dev->common.version = LIGHTS_DEVICE_API_VERSION_2_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 = "Google, Inc.",
-    .methods = &lights_module_methods,
-};