Updated liblights to work with the leaked 3.0.15 kernel

1 files changed, 217 insertions, 218 deletions

diff --git a/liblights/lights.c b/liblights/lights.c
index a7fba8b..940b51c 100755
--- a/liblights/lights.c
+++ b/liblights/lights.c
@@ -1,218 +1,217 @@
-/*

- * Copyright (C) 2011 The Android Open Source Project

- * Copyright (C) 2011 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.

- */

-

-

-#define LOG_TAG "lights"

-#define LOG_NDEBUG 0

-

-#include <cutils/log.h>

-

-#include <stdint.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;

-

-char const*const PANEL_FILE

-        = "/sys/class/backlight/pwm-backlight/brightness";

-

-char const*const BUTTON_POWER

-        = "/sys/class/sec/sec_touchkey/enable_disable";

-

-char const*const BUTTON_FILE

-        = "/sys/class/misc/melfas_touchkey/brightness";

-

-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 = sprintf(buffer, "%d\n", value);

-        int amt = write(fd, buffer, bytes);

-        close(fd);

-        return amt == -1 ? -errno : 0;

-    } else {

-        if (already_warned == 0) {

-            LOGE("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);

-

-    pthread_mutex_lock(&g_lock);

-    err = write_int(PANEL_FILE, brightness);

-    err = write_int(BUTTON_FILE, brightness > 0 ? 1 : 2);

-	

-    pthread_mutex_unlock(&g_lock);

-

-    return err;

-}

-

-static int

-set_light_keyboard(struct light_device_t* dev,

-        struct light_state_t const* state)

-{

-    return 0;

-}

-

-static int

-set_light_buttons(struct light_device_t* dev,

-        struct light_state_t const* state)

-{

-    int err = 0;

-    int on = is_lit(state);

-

-    pthread_mutex_lock(&g_lock);

-    LOGD("set_light_button on=%d\n", on ? 1 : 2);

-    err = write_int(BUTTON_FILE, on ? 1 : 2);

-    pthread_mutex_unlock(&g_lock);

-

-    return err;

-}

-

-static int

-set_light_battery(struct light_device_t* dev,

-        struct light_state_t const* state)

-{

-    return 0;

-}

-

-static int

-set_light_notification(struct light_device_t* dev,

-        struct light_state_t const* state)

-{

-    return 0;

-}

-

-static int

-set_light_attention(struct light_device_t* dev,

-        struct light_state_t const* state)

-{

-    return 0;

-}

-

-static int

-close_lights(struct light_device_t *dev)

-{

-    if (dev) {

-        free(dev);

-    }

-    return 0;

-}

-

-

-/******************************************************************************/

-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_KEYBOARD, name)) {

-        set_light = set_light_keyboard;

-    }

-    else if (0 == strcmp(LIGHT_ID_BUTTONS, name)) {

-        set_light = set_light_buttons;

-    }

-    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_notification;

-    }

-    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));

-    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,

-};

-

-const struct hw_module_t HAL_MODULE_INFO_SYM = {

-    .tag = HARDWARE_MODULE_TAG,

-    .version_major = 1,

-    .version_minor = 0,

-    .id = LIGHTS_HARDWARE_MODULE_ID,

-    .name = "Samsung Exynos4210 Lights Module",

-    .author = "The CyanogenMod Project",

-    .methods = &lights_module_methods,

-};

+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ * Copyright (C) 2011 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.
+ */
+
+
+#define LOG_TAG "lights"
+#define LOG_NDEBUG 0
+
+#include <cutils/log.h>
+
+#include <stdint.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;
+
+char const*const PANEL_FILE
+        = "/sys/class/backlight/panel/brightness";
+
+char const*const BUTTON_POWER
+        = "/sys/class/sec/sec_touchkey/enable_disable";
+        
+char const*const BUTTON_FILE
+        = "/sys/class/sec/sec_touchkey/brightness";
+
+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 = sprintf(buffer, "%d\n", value);
+        int amt = write(fd, buffer, bytes);
+        close(fd);
+        return amt == -1 ? -errno : 0;
+    } else {
+        if (already_warned == 0) {
+            LOGE("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);
+
+    pthread_mutex_lock(&g_lock);
+    err = write_int(PANEL_FILE, brightness);
+    err = write_int(BUTTON_FILE, brightness > 0 ? 1 : 0);
+    pthread_mutex_unlock(&g_lock);
+
+    return err;
+}
+
+static int
+set_light_keyboard(struct light_device_t* dev,
+        struct light_state_t const* state)
+{
+    return 0;
+}
+
+static int
+set_light_buttons(struct light_device_t* dev,
+        struct light_state_t const* state)
+{
+    int err = 0;
+    int on = is_lit(state);
+
+    pthread_mutex_lock(&g_lock);
+    LOGD("set_light_button on=%d\n", on ? 1 : 0);
+    err = write_int(BUTTON_FILE, on ? 1:0);
+    pthread_mutex_unlock(&g_lock);
+
+    return err;
+}
+
+static int
+set_light_battery(struct light_device_t* dev,
+        struct light_state_t const* state)
+{
+    return 0;
+}
+
+static int
+set_light_notification(struct light_device_t* dev,
+        struct light_state_t const* state)
+{
+    return 0;
+}
+
+static int
+set_light_attention(struct light_device_t* dev,
+        struct light_state_t const* state)
+{
+    return 0;
+}
+
+static int
+close_lights(struct light_device_t *dev)
+{
+    if (dev) {
+        free(dev);
+    }
+    return 0;
+}
+
+
+/******************************************************************************/
+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_KEYBOARD, name)) {
+        set_light = set_light_keyboard;
+    }
+    else if (0 == strcmp(LIGHT_ID_BUTTONS, name)) {
+        set_light = set_light_buttons;
+    }
+    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_notification;
+    }
+    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));
+    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,
+};
+
+const struct hw_module_t HAL_MODULE_INFO_SYM = {
+    .tag = HARDWARE_MODULE_TAG,
+    .version_major = 1,
+    .version_minor = 0,
+    .id = LIGHTS_HARDWARE_MODULE_ID,
+    .name = "Samsung Exynos4210 Lights Module",
+    .author = "The CyanogenMod Project",
+    .methods = &lights_module_methods,
+};