summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--BoardConfig.mk3
-rw-r--r--device.mk6
-rw-r--r--liblight/Android.mk32
-rw-r--r--liblight/disp_color_apis.h59
-rw-r--r--liblight/lights.c413
-rw-r--r--liblight/lights_prv.cpp54
-rw-r--r--liblight/lights_prv.h43
-rw-r--r--light/Android.bp32
-rw-r--r--light/Light.cpp132
-rw-r--r--light/Light.h56
-rw-r--r--light/android.hardware.light@2.0-service.xiaomi_wayne.rc9
-rw-r--r--light/service.cpp50
12 files changed, 280 insertions, 609 deletions
diff --git a/BoardConfig.mk b/BoardConfig.mk
index 6426007..ff2bccf 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -191,9 +191,6 @@ TARGET_PLATFORM_DEVICE_BASE := /devices/soc/
# Keystore
TARGET_PROVIDES_KEYMASTER := true
-# Lights
-TARGET_PROVIDES_LIBLIGHT := true
-
# Partitions
BOARD_FLASH_BLOCK_SIZE := 262144
BOARD_BOOTIMAGE_PARTITION_SIZE := 67108864
diff --git a/device.mk b/device.mk
index 83a0148..9044756 100644
--- a/device.mk
+++ b/device.mk
@@ -293,11 +293,7 @@ PRODUCT_COPY_FILES += \
# Lights
PRODUCT_PACKAGES += \
- lights.sdm660
-
-PRODUCT_PACKAGES += \
- android.hardware.light@2.0-impl \
- android.hardware.light@2.0-service
+ android.hardware.light@2.0-service.xiaomi_wayne
# LiveDisplay native
PRODUCT_PACKAGES += \
diff --git a/liblight/Android.mk b/liblight/Android.mk
deleted file mode 100644
index 2f2e1ca..0000000
--- a/liblight/Android.mk
+++ /dev/null
@@ -1,32 +0,0 @@
-# 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.
-
-LOCAL_PATH:= $(call my-dir)
-# HAL module implemenation stored in
-# hw/<COPYPIX_HARDWARE_MODULE_ID>.<ro.board.platform>.so
-include $(CLEAR_VARS)
-
-LOCAL_C_INCLUDES += $(TARGET_OUT_HEADERS)/common/inc
-LOCAL_C_INCLUDES += $(TARGET_OUT_HEADERS)/qdcm/inc
-
-LOCAL_SRC_FILES := lights.c lights_prv.cpp
-LOCAL_MODULE_RELATIVE_PATH := hw
-LOCAL_SHARED_LIBRARIES := liblog libcutils libsdm-disp-vndapis
-LOCAL_CFLAGS := -DLOG_TAG=\"qdlights\"
-LOCAL_CLANG := true
-LOCAL_MODULE := lights.$(TARGET_BOARD_PLATFORM)
-LOCAL_MODULE_TAGS := optional
-LOCAL_VENDOR_MODULE := true
-
-include $(BUILD_SHARED_LIBRARY)
diff --git a/liblight/disp_color_apis.h b/liblight/disp_color_apis.h
deleted file mode 100644
index 07acb9e..0000000
--- a/liblight/disp_color_apis.h
+++ /dev/null
@@ -1,59 +0,0 @@
-#ifndef __DISP_COLOR_APIS_H__
-#define __DISP_COLOR_APIS_H__
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <stdlib.h>
-#include <sys/types.h>
-#include <cutils/log.h>
-
-typedef uint64_t DISPAPI_HANDLE;
-
-
-/*=========================================================================
-FUNCTION
- disp_api_init()
-
-DESCRIPTION
- This API initializes the display API library.
-
- This function must be called before calling any display APIs.
- The function returns a context handle that must be used on all subsequent
- calls.
-
- hctx -- returns context handle on a successful call
- flags -- Reserved
-
-RETURN VALUE
- ZERO (SUCCESS)- success.
- Negative Value - error\failure
-=========================================================================*/
-
-int32_t disp_api_init(DISPAPI_HANDLE *hctx, uint32_t flags);
-
-/*=========================================================================
-FUNCTION
- disp_api_set_panel_brightness_level_ext()
-
-DESCRIPTION
- This API adjusts the backlight brightness.
-
- hctx -- Context handle.
- disp_id -- Display ID type
- level -- Color balance adjustement, the larger the value the warmer the color
- flags -- Reserved
-
-RETURN VALUE
- ZERO (SUCCESS)- success.
- Negative Value - error\failure
-=========================================================================*/
-int32_t disp_api_set_panel_brightness_level_ext(DISPAPI_HANDLE hctx, uint32_t disp_id, int32_t level,
- uint32_t flags);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif // __DISP_COLOR_APIS_H__
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,
-};
diff --git a/liblight/lights_prv.cpp b/liblight/lights_prv.cpp
deleted file mode 100644
index f916ed2..0000000
--- a/liblight/lights_prv.cpp
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * Copyright (c) 2017, The Linux Foundation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials provided
- * with the distribution.
- * * Neither the name of The Linux Foundation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
- * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
- * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-
-
-#include <hardware/hwcomposer_defs.h>
-#include "disp_color_apis.h"
-#include "lights_prv.h"
-
-/******************************************************************************/
-static DISPAPI_HANDLE g_ctx;
-
-/**
- * device methods
- */
-
-void set_brightness_ext_init(void)
-{
- disp_api_init((DISPAPI_HANDLE*) &g_ctx, 0);
-}
-
-int set_brightness_ext_level(int level)
-{
- int err = disp_api_set_panel_brightness_level_ext(g_ctx, HWC_DISPLAY_PRIMARY,
- level, 0);
-
- return err;
-}
diff --git a/liblight/lights_prv.h b/liblight/lights_prv.h
deleted file mode 100644
index e0ec736..0000000
--- a/liblight/lights_prv.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * Copyright (c) 2017, The Linux Foundation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials provided
- * with the distribution.
- * * Neither the name of The Linux Foundation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
- * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
- * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef LIGHTS_PRV_H
-#define LIGHTS_PRV_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-extern void set_brightness_ext_init(void);
-extern int set_brightness_ext_level(int level);
-
-#ifdef __cplusplus
-}
-#endif
-#endif
diff --git a/light/Android.bp b/light/Android.bp
new file mode 100644
index 0000000..a60fcf8
--- /dev/null
+++ b/light/Android.bp
@@ -0,0 +1,32 @@
+//
+// Copyright (C) 2018 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.
+
+cc_binary {
+ defaults: ["hidl_defaults"],
+ name: "android.hardware.light@2.0-service.xiaomi_wayne",
+ init_rc: ["android.hardware.light@2.0-service.xiaomi_wayne.rc"],
+ srcs: ["service.cpp", "Light.cpp"],
+ shared_libs: [
+ "libhardware",
+ "libhidlbase",
+ "libhidltransport",
+ "liblog",
+ "libhwbinder",
+ "libutils",
+ "android.hardware.light@2.0",
+ ],
+ relative_install_path : "hw",
+ proprietary: true,
+}
diff --git a/light/Light.cpp b/light/Light.cpp
new file mode 100644
index 0000000..c170ae2
--- /dev/null
+++ b/light/Light.cpp
@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2018 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.
+ */
+
+//Author := dev_harsh1998, Isaac Chen
+
+#define LOG_TAG "android.hardware.light@2.0-service.xiaomi_wayne"
+
+#include <log/log.h>
+#include <fstream>
+#include "Light.h"
+
+namespace android {
+namespace hardware {
+namespace light {
+namespace V2_0 {
+namespace implementation {
+
+#define LEDS "/sys/class/leds/"
+#define LCD_LED LEDS "lcd-backlight/"
+#define BRIGHTNESS "brightness"
+#define RED LEDS "red/"
+#define BLINK "blink"
+
+/*
+ * Write value to path and close file.
+ */
+static void set(std::string path, std::string value) {
+ std::ofstream file(path);
+ file << value;
+}
+
+static void set(std::string path, int value) {
+ set(path, std::to_string(value));
+}
+
+static void handleWayneBacklight(const LightState& state) {
+ uint32_t brightness = state.color & 0xFF;
+ set(LCD_LED BRIGHTNESS, brightness);
+}
+
+static void handleWayneNotification(const LightState& state) {
+ uint32_t redBrightness, brightness, blink;
+
+ /*
+ * Extract brightness from RGB.
+ */
+ redBrightness = (state.color >> 16) & 0xFF;
+ brightness = (state.color >> 24) & 0xFF;
+
+ /*
+ * Scale RGB brightness if the Alpha brightness is not 0xFF.
+ */
+ if (brightness != 0xFF) {
+ redBrightness = (redBrightness * brightness) / 0xFF;
+ }
+
+ /* Turn off the leds (initially) */
+ set(RED BRIGHTNESS, 0);
+ set(RED BLINK, 0);
+
+ if (state.flashMode == Flash::TIMED) {
+ uint32_t onMS = state.flashOnMs;
+ uint32_t offMS = state.flashOffMs;
+
+ if (onMS > 0 && offMS > 0) {
+ blink = 1;
+ } else {
+ blink = 0;
+ }
+
+ /* Red(Actually White) */
+ set(RED BLINK, blink);
+ set(RED BRIGHTNESS, 0);
+
+ } else {
+ set(RED BRIGHTNESS, redBrightness);
+ }
+}
+
+static std::map<Type, std::function<void(const LightState&)>> lights = {
+ {Type::BACKLIGHT, handleWayneBacklight},
+ {Type::NOTIFICATIONS, handleWayneNotification},
+ {Type::BATTERY, handleWayneNotification},
+ {Type::ATTENTION, handleWayneNotification},
+};
+
+Light::Light() {}
+
+Return<Status> Light::setLight(Type type, const LightState& state) {
+ auto it = lights.find(type);
+
+ if (it == lights.end()) {
+ return Status::LIGHT_NOT_SUPPORTED;
+ }
+
+ /*
+ * Lock global mutex until light state is updated.
+ */
+
+ std::lock_guard<std::mutex> lock(globalLock);
+ it->second(state);
+ return Status::SUCCESS;
+}
+
+Return<void> Light::getSupportedTypes(getSupportedTypes_cb _hidl_cb) {
+ std::vector<Type> types;
+
+ for (auto const& light : lights) types.push_back(light.first);
+
+ _hidl_cb(types);
+
+ return Void();
+}
+
+} // namespace implementation
+} // namespace V2_0
+} // namespace light
+} // namespace hardware
+} // namespace android
diff --git a/light/Light.h b/light/Light.h
new file mode 100644
index 0000000..311b7de
--- /dev/null
+++ b/light/Light.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2017 The LineageOS 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.
+ */
+#ifndef ANDROID_HARDWARE_LIGHT_V2_0_LIGHT_H
+#define ANDROID_HARDWARE_LIGHT_V2_0_LIGHT_H
+
+#include <android/hardware/light/2.0/ILight.h>
+#include <hardware/lights.h>
+#include <hidl/Status.h>
+#include <map>
+#include <mutex>
+
+namespace android {
+namespace hardware {
+namespace light {
+namespace V2_0 {
+namespace implementation {
+
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::light::V2_0::ILight;
+using ::android::hardware::light::V2_0::LightState;
+using ::android::hardware::light::V2_0::Status;
+using ::android::hardware::light::V2_0::Type;
+
+class Light : public ILight {
+ public:
+ Light();
+
+ Return<Status> setLight(Type type, const LightState& state) override;
+ Return<void> getSupportedTypes(getSupportedTypes_cb _hidl_cb) override;
+
+ private:
+ std::mutex globalLock;
+};
+
+} // namespace implementation
+} // namespace V2_0
+} // namespace light
+} // namespace hardware
+} // namespace android
+
+#endif // ANDROID_HARDWARE_LIGHT_V2_0_LIGHT_H
diff --git a/light/android.hardware.light@2.0-service.xiaomi_wayne.rc b/light/android.hardware.light@2.0-service.xiaomi_wayne.rc
new file mode 100644
index 0000000..0ebe09b
--- /dev/null
+++ b/light/android.hardware.light@2.0-service.xiaomi_wayne.rc
@@ -0,0 +1,9 @@
+on boot
+ # Notification LED
+ chown system system /sys/class/leds/red/blink
+ chown system system /sys/class/leds/red/brightness
+
+service light-hal-2-0 /vendor/bin/hw/android.hardware.light@2.0-service.xiaomi_wayne
+ class hal
+ user system
+ group system
diff --git a/light/service.cpp b/light/service.cpp
new file mode 100644
index 0000000..abefdc0
--- /dev/null
+++ b/light/service.cpp
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2018 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_TAG "android.hardware.light@2.0-service.xiaomi_wayne"
+
+#include <hidl/HidlTransportSupport.h>
+
+#include "Light.h"
+
+using android::hardware::configureRpcThreadpool;
+using android::hardware::joinRpcThreadpool;
+
+using android::hardware::light::V2_0::ILight;
+using android::hardware::light::V2_0::implementation::Light;
+
+using android::OK;
+using android::sp;
+using android::status_t;
+
+int main() {
+ android::sp<ILight> service = new Light();
+
+ configureRpcThreadpool(1, true);
+
+ status_t status = service->registerAsService();
+ if (status != OK) {
+ ALOGE("Cannot register Light HAL service.");
+ return 1;
+ }
+
+ ALOGI("Light HAL service ready.");
+
+ joinRpcThreadpool();
+
+ ALOGI("Light HAL service failed to join thread pool.");
+ return 1;
+}