z2_plus: Remove liblight hal

* Switched to the binderized version in the common device tree

Signed-off-by: Davide Garberi <dade.garberi@gmail.com>

4 files changed, 0 insertions, 691 deletions

diff --git a/device.mk b/device.mk
index 551566a..eb1f523 100755
--- a/device.mk
+++ b/device.mk
@@ -31,10 +31,6 @@ PRODUCT_COPY_FILES += \
     $(LOCAL_PATH)/audio/audio_platform_info.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_platform_info.xml \
     $(LOCAL_PATH)/audio/mixer_paths_tasha.xml:$(TARGET_COPY_OUT_VENDOR)/etc/mixer_paths.xml
 
-# Lights
-PRODUCT_PACKAGES += \
-    lights.msm8996
-
 # Overlays
 DEVICE_PACKAGE_OVERLAYS += $(LOCAL_PATH)/overlay
 
diff --git a/liblight/Android.mk b/liblight/Android.mk
deleted file mode 100644
index 0b0404a..0000000
--- a/liblight/Android.mk
+++ /dev/null
@@ -1,27 +0,0 @@
-# Copyright (C) 2014 The CyanogenMod 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_SRC_FILES := lights.c
-LOCAL_MODULE_RELATIVE_PATH    := hw
-LOCAL_SHARED_LIBRARIES := liblog libcutils
-
-LOCAL_MODULE := lights.msm8996
-LOCAL_MODULE_TAGS := optional
-
-include $(BUILD_SHARED_LIBRARY)
diff --git a/liblight/NOTICE b/liblight/NOTICE
deleted file mode 100644
index 7340b9e..0000000
--- a/liblight/NOTICE
+++ /dev/null
@@ -1,190 +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.
-
-   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.
-
-
-                                 Apache License
-                           Version 2.0, January 2004
-                        http://www.apache.org/licenses/
-
-   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-
-   1. Definitions.
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-      "License" shall mean the terms and conditions for use, reproduction,
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-      represent, as a whole, an original work of authorship. For the purposes
-      of this License, Derivative Works shall not include works that remain
-      separable from, or merely link (or bind by name) to the interfaces of,
-      the Work and Derivative Works thereof.
-
-      "Contribution" shall mean any work of authorship, including
-      the original version of the Work and any modifications or additions
-      to that Work or Derivative Works thereof, that is intentionally
-      submitted to Licensor for inclusion in the Work by the copyright owner
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-      means any form of electronic, verbal, or written communication sent
-      to the Licensor or its representatives, including but not limited to
-      communication on electronic mailing lists, source code control systems,
-      and issue tracking systems that are managed by, or on behalf of, the
-      Licensor for the purpose of discussing and improving the Work, but
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-      on behalf of whom a Contribution has been received by Licensor and
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-      where such license applies only to those patent claims licensable
-      by such Contributor that are necessarily infringed by their
-      Contribution(s) alone or by combination of their Contribution(s)
-      with the Work to which such Contribution(s) was submitted. If You
-      institute patent litigation against any entity (including a
-      cross-claim or counterclaim in a lawsuit) alleging that the Work
-      or a Contribution incorporated within the Work constitutes direct
-      or contributory patent infringement, then any patent licenses
-      granted to You under this License for that Work shall terminate
-      as of the date such litigation is filed.
-
-   4. Redistribution. You may reproduce and distribute copies of the
-      Work or Derivative Works thereof in any medium, with or without
-      modifications, and in Source or Object form, provided that You
-      meet the following conditions:
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-      (a) You must give any other recipients of the Work or
-          Derivative Works a copy of this License; and
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-      (b) You must cause any modified files to carry prominent notices
-          stating that You changed the files; and
-
-      (c) You must retain, in the Source form of any Derivative Works
-          that You distribute, all copyright, patent, trademark, and
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-      by You to the Licensor shall be under the terms and conditions of
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-      the terms of any separate license agreement you may have executed
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diff --git a/liblight/lights.c b/liblight/lights.c
deleted file mode 100644
index ac5af69..0000000
--- a/liblight/lights.c
+++ /dev/null
@@ -1,470 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- * Copyright (C) 2014 The Linux Foundation. All rights reserved.
- * Copyright (C) 2015-2016 The CyanogenMod Project
- * Copyright (C) 2018 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.
- */
-
-#define LOG_TAG "lights"
-
-#include <cutils/log.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>
-
-/******************************************************************************/
-
-static pthread_once_t g_init = PTHREAD_ONCE_INIT;
-static pthread_mutex_t g_lock = PTHREAD_MUTEX_INITIALIZER;
-static struct light_state_t g_attention;
-static struct light_state_t g_notification;
-static struct light_state_t g_battery;
-
-#define LCD_BRIGHTNESS_FILE "/sys/class/leds/lcd-backlight/brightness"
-#define LCD_MAX_BRIGHTNESS_FILE "/sys/class/leds/lcd-backlight/max_brightness"
-
-#define RED_LED_BRIGHTNESS_FILE "/sys/class/leds/red/brightness"
-#define GREEN_LED_BRIGHTNESS_FILE "/sys/class/leds/green/brightness"
-#define BLUE_LED_BRIGHTNESS_FILE "/sys/class/leds/blue/brightness"
-
-#define RED_DUTY_PCTS_FILE "/sys/class/leds/red/duty_pcts"
-#define GREEN_DUTY_PCTS_FILE "/sys/class/leds/green/duty_pcts"
-#define BLUE_DUTY_PCTS_FILE "/sys/class/leds/blue/duty_pcts"
-
-#define RED_START_IDX_FILE "/sys/class/leds/red/start_idx"
-#define GREEN_START_IDX_FILE "/sys/class/leds/green/start_idx"
-#define BLUE_START_IDX_FILE "/sys/class/leds/blue/start_idx"
-
-#define RED_PAUSE_LO_FILE "/sys/class/leds/red/pause_lo"
-#define GREEN_PAUSE_LO_FILE "/sys/class/leds/green/pause_lo"
-#define BLUE_PAUSE_LO_FILE "/sys/class/leds/blue/pause_lo"
-
-#define RED_PAUSE_HI_FILE "/sys/class/leds/red/pause_hi"
-#define GREEN_PAUSE_HI_FILE "/sys/class/leds/green/pause_hi"
-#define BLUE_PAUSE_HI_FILE "/sys/class/leds/blue/pause_hi"
-
-#define RED_RAMP_STEP_MS_FILE "/sys/class/leds/red/ramp_step_ms"
-#define GREEN_RAMP_STEP_MS_FILE "/sys/class/leds/green/ramp_step_ms"
-#define BLUE_RAMP_STEP_MS_FILE "/sys/class/leds/blue/ramp_step_ms"
-
-#define RED_BLINK_FILE "/sys/class/leds/red/blink"
-#define GREEN_BLINK_FILE "/sys/class/leds/green/blink"
-#define BLUE_BLINK_FILE "/sys/class/leds/blue/blink"
-
-#define RGB_BLINK_FILE "/sys/class/leds/rgb/rgb_blink"
-
-#define RAMP_SIZE 8
-static int BRIGHTNESS_RAMP[RAMP_SIZE] = { 0, 12, 25, 37, 50, 72, 85, 100 };
-#define RAMP_STEP_DURATION 50
-
-#define DEFAULT_MAX_BRIGHTNESS 255
-int max_brightness;
-
-/**
- * device methods
- */
-
-void init_globals(void)
-{
-    // init the mutex
-    pthread_mutex_init(&g_lock, NULL);
-}
-
-static int read_int(char const* path)
-{
-    int fd, len;
-    int num_bytes = 10;
-    char buf[11];
-    int retval;
-
-    fd = open(path, O_RDONLY);
-    if (fd < 0) {
-        ALOGE("%s: failed to open %s\n", __func__, path);
-        goto fail;
-    }
-
-    len = read(fd, buf, num_bytes - 1);
-    if (len < 0) {
-        ALOGE("%s: failed to read from %s\n", __func__, path);
-        goto fail;
-    }
-
-    buf[len] = '\0';
-    close(fd);
-
-    // no endptr, decimal base
-    retval = strtol(buf, NULL, 10);
-    return retval == 0 ? -1 : retval;
-
-fail:
-    if (fd >= 0)
-        close(fd);
-    return -1;
-}
-
-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("%s: failed to open %s\n", __func__, path);
-            already_warned = 1;
-        }
-        return -errno;
-    }
-}
-
-static int
-write_str(char const* path, char* value)
-{
-    int fd;
-    static int already_warned = 0;
-
-    fd = open(path, O_RDWR);
-    if (fd >= 0) {
-        char buffer[1024];
-        int bytes = snprintf(buffer, sizeof(buffer), "%s\n", value);
-        ssize_t amt = write(fd, buffer, (size_t)bytes);
-        close(fd);
-        return amt == -1 ? -errno : 0;
-    } else {
-        if (already_warned == 0) {
-            ALOGE("%s: failed to open %s\n", __func__, 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);
-
-    if (!dev)
-        return -1;
-
-    // If max panel brightness is not the default (255),
-    // apply linear scaling across the accepted range.
-    if (max_brightness != DEFAULT_MAX_BRIGHTNESS) {
-        int old_brightness = brightness;
-        brightness = brightness * max_brightness / DEFAULT_MAX_BRIGHTNESS;
-        ALOGV("%s: scaling brightness %d => %d\n", __func__, old_brightness, brightness);
-    }
-
-    pthread_mutex_lock(&g_lock);
-    err = write_int(LCD_BRIGHTNESS_FILE, brightness);
-    pthread_mutex_unlock(&g_lock);
-    return err;
-}
-
-static char*
-get_scaled_duty_pcts(int brightness)
-{
-    char *buf = malloc(5 * RAMP_SIZE * sizeof(char));
-    char *pad = "";
-    int i = 0;
-
-    memset(buf, 0, 5 * RAMP_SIZE * sizeof(char));
-
-    for (i = 0; i < RAMP_SIZE; i++) {
-        char temp[5] = "";
-        snprintf(temp, sizeof(temp), "%s%d", pad, (BRIGHTNESS_RAMP[i] * brightness / 255));
-        strcat(buf, temp);
-        pad = ",";
-    }
-    ALOGV("%s: brightness=%d, duty=%s\n", __func__, brightness, buf);
-    return buf;
-}
-
-static int
-set_speaker_light_locked(struct light_device_t* dev,
-        struct light_state_t const* state)
-{
-    int red, green, blue, blink;
-    int onMS, offMS, stepDuration, pauseHi;
-    unsigned int colorRGB;
-    char *duty;
-
-    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;
-
-    ALOGV("%s: mode %d, colorRGB=%08X, onMS=%d, offMS=%d\n",
-            __func__, state->flashMode, colorRGB, onMS, offMS);
-
-    red = (colorRGB >> 16) & 0xFF;
-    green = (colorRGB >> 8) & 0xFF;
-    blue = colorRGB & 0xFF;
-    blink = onMS > 0 && offMS > 0;
-
-    // Disable all blinking to start
-    write_int(RGB_BLINK_FILE, 0);
-
-    if (blink) {
-        stepDuration = RAMP_STEP_DURATION;
-        pauseHi = onMS - (stepDuration * RAMP_SIZE * 2);
-        if (stepDuration * RAMP_SIZE * 2 > onMS) {
-            stepDuration = onMS / (RAMP_SIZE * 2);
-            pauseHi = 0;
-        }
-
-        // red
-        write_int(RED_START_IDX_FILE, 0);
-        duty = get_scaled_duty_pcts(red);    
-        write_str(RED_DUTY_PCTS_FILE, duty);
-        write_int(RED_PAUSE_LO_FILE, offMS);
-        // The led driver is configured to ramp up then ramp
-        // down the lut. This effectively doubles the ramp duration.
-        write_int(RED_PAUSE_HI_FILE, pauseHi);
-        write_int(RED_RAMP_STEP_MS_FILE, stepDuration);
-        free(duty);
-
-        // green
-        write_int(GREEN_START_IDX_FILE, RAMP_SIZE);
-        duty = get_scaled_duty_pcts(green);
-        write_str(GREEN_DUTY_PCTS_FILE, duty);
-        write_int(GREEN_PAUSE_LO_FILE, offMS);
-        // The led driver is configured to ramp up then ramp
-        // down the lut. This effectively doubles the ramp duration.
-        write_int(GREEN_PAUSE_HI_FILE, pauseHi);
-        write_int(GREEN_RAMP_STEP_MS_FILE, stepDuration);
-        free(duty);
-
-        // blue
-        write_int(BLUE_START_IDX_FILE, RAMP_SIZE * 2);
-        duty = get_scaled_duty_pcts(blue);
-        write_str(BLUE_DUTY_PCTS_FILE, duty);
-        write_int(BLUE_PAUSE_LO_FILE, offMS);
-        // The led driver is configured to ramp up then ramp
-        // down the lut. This effectively doubles the ramp duration.
-        write_int(BLUE_PAUSE_HI_FILE, pauseHi);
-        write_int(BLUE_RAMP_STEP_MS_FILE, stepDuration);
-        free(duty);
-
-        // Start the party
-        write_int(RGB_BLINK_FILE, 1);
-    } else {
-        if (red == 0 && green == 0 && blue == 0) {
-            write_int(RED_BLINK_FILE, 0);
-            write_int(GREEN_BLINK_FILE, 0);
-            write_int(BLUE_BLINK_FILE, 0);
-        }
-        write_int(RED_LED_BRIGHTNESS_FILE, red);
-        write_int(GREEN_LED_BRIGHTNESS_FILE, green);
-        write_int(BLUE_LED_BRIGHTNESS_FILE, blue);
-    }
-
-
-    return 0;
-}
-
-static void
-handle_speaker_light_locked(struct light_device_t* dev)
-{
-    if (is_lit(&g_attention))
-        set_speaker_light_locked(dev, &g_attention);
-    else if (is_lit(&g_notification))
-        set_speaker_light_locked(dev, &g_notification);
-    else
-        set_speaker_light_locked(dev, &g_battery);
-}
-
-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_light_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);
-
-    unsigned int brightness;
-    unsigned int color;
-    unsigned int rgb[3];
-
-    g_notification = *state;
-
-    // If a brightness has been applied by the user
-    brightness = (g_notification.color & 0xFF000000) >> 24;
-    if (brightness > 0 && brightness < 0xFF) {
-
-        // Retrieve each of the RGB colors
-        color = g_notification.color & 0x00FFFFFF;
-        rgb[0] = (color >> 16) & 0xFF;
-        rgb[1] = (color >> 8) & 0xFF;
-        rgb[2] = color & 0xFF;
-
-        // Apply the brightness level
-        if (rgb[0] > 0)
-            rgb[0] = (rgb[0] * brightness) / 0xFF;
-        if (rgb[1] > 0)
-            rgb[1] = (rgb[1] * brightness) / 0xFF;
-        if (rgb[2] > 0)
-            rgb[2] = (rgb[2] * brightness) / 0xFF;
-
-        // Update with the new color
-        g_notification.color = (rgb[0] << 16) + (rgb[1] << 8) + rgb[2];
-    }
-
-    handle_speaker_light_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);
-    g_attention = *state;
-    handle_speaker_light_locked(dev);
-    pthread_mutex_unlock(&g_lock);
-    return 0;
-}
-
-/** 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))
-        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_ATTENTION, name))
-        set_light = set_light_attention;
-    else
-        return -EINVAL;
-
-    max_brightness = read_int(LCD_MAX_BRIGHTNESS_FILE);
-    if (max_brightness < 0) {
-        ALOGE("%s: failed to read max panel brightness, fallback to 255!\n", __func__);
-        max_brightness = DEFAULT_MAX_BRIGHTNESS;
-    }
-
-    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 = 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 = "The CyanogenMod Project",
-    .methods = &lights_module_methods,
-};