udev: Change the device-change-handler to udev module

Sliding keyboard and tvout is not supported currently.
These logic will add as per the common kernel interface.
Change the device-change-handler to udev module.
And remove the unnecessary codes and defines.
Remove device-handler.h file.

Change-Id: Iecb44fd52cafd7fc3708f3834eecf4f3e7b1df12
Signed-off-by: Jiyoung Yun <jy910.yun@samsung.com>

14 files changed, 351 insertions, 684 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9d0aa631..10e7be65 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,7 +24,6 @@ SET(SRCS
 	src/core/common.c
 	src/core/config-parser.c
 	src/control/control.c
-	src/core/device-change-handler.c
 	src/core/device-notifier.c
 	src/core/devices.c
 	src/core/edbus-handler.c
@@ -33,6 +32,7 @@ SET(SRCS
 	src/core/log.c
 	src/core/main.c
 	src/core/sig-handler.c
+	src/core/udev.c
 	src/extcon/cradle.c
 	src/extcon/earjack.c
 	src/extcon/extcon.c
diff --git a/src/battery/lowbat-handler.c b/src/battery/lowbat-handler.c
index 52baa79c..ede215d9 100644
--- a/src/battery/lowbat-handler.c
+++ b/src/battery/lowbat-handler.c
@@ -28,7 +28,6 @@
 #include "core/log.h"
 #include "core/launch.h"
 #include "core/devices.h"
-#include "core/device-handler.h"
 #include "core/device-notifier.h"
 #include "core/common.h"
 #include "core/list.h"
diff --git a/src/battery/power-supply.c b/src/battery/power-supply.c
index f63b7da9..ea03b1b4 100644
--- a/src/battery/power-supply.c
+++ b/src/battery/power-supply.c
@@ -23,7 +23,6 @@
 #include <Ecore.h>
 #include <device-node.h>
 #include "core/devices.h"
-#include "core/device-handler.h"
 #include "core/device-notifier.h"
 #include "core/udev.h"
 #include "core/log.h"
@@ -85,7 +84,7 @@ static void pm_check_and_change(int bInserted)
 	static int old = -1;
 	if (old != bInserted) {
 		old = bInserted;
-		internal_pm_change_state(LCD_NORMAL);
+		pm_change_internal(getpid(), LCD_NORMAL);
 	}
 }
 
diff --git a/src/core/device-change-handler.c b/src/core/device-change-handler.c
deleted file mode 100644
index 622d4d11..00000000
--- a/src/core/device-change-handler.c
+++ /dev/null
@@ -1,631 +0,0 @@
-/*
- * deviced
- *
- * Copyright (c) 2012 - 2013 Samsung Electronics Co., Ltd.
- *
- * 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.
- */
-
-
-#include <stdbool.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <dirent.h>
-#include <errno.h>
-#include <vconf.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/mount.h>
-#include <dirent.h>
-#include <fnmatch.h>
-#include "dd-deviced.h"
-#include "log.h"
-#include "device-notifier.h"
-#include "device-handler.h"
-#include "device-node.h"
-#include "display/poll.h"
-#include "devices.h"
-#include "udev.h"
-#include "common.h"
-#include "list.h"
-#include "proc/proc-handler.h"
-#include "edbus-handler.h"
-#include "devices.h"
-#include "display/setting.h"
-#include "display/core.h"
-#include "extcon/extcon.h"
-
-#define PREDEF_DEVICE_CHANGED		"device_changed"
-#define PREDEF_POWER_CHANGED		POWER_SUBSYSTEM
-#define PREDEF_UDEV_CONTROL		UDEV
-
-#define TVOUT_X_BIN			"/usr/bin/xberc"
-#define TVOUT_FLAG			0x00000001
-
-#define MOVINAND_MOUNT_POINT		"/opt/media"
-
-#ifdef ENABLE_EDBUS_USE
-#include <E_DBus.h>
-static E_DBus_Connection *conn;
-#endif				/* ENABLE_EDBUS_USE */
-
-enum snd_jack_types {
-	SND_JACK_HEADPHONE = 0x0001,
-	SND_JACK_MICROPHONE = 0x0002,
-	SND_JACK_HEADSET = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE,
-	SND_JACK_LINEOUT = 0x0004,
-	SND_JACK_MECHANICAL = 0x0008,	/* If detected separately */
-	SND_JACK_VIDEOOUT = 0x0010,
-	SND_JACK_AVOUT = SND_JACK_LINEOUT | SND_JACK_VIDEOOUT,
-};
-
-#define CHANGE_ACTION		"change"
-#define ENV_FILTER		"CHGDET"
-
-#define TVOUT_NAME 		"tvout"
-#define TVOUT_NAME_LEN		5
-
-#define KEYBOARD_NAME 		"keyboard"
-#define KEYBOARD_NAME_LEN	8
-
-struct ticker_data {
-	char *name;
-	int type;
-};
-
-struct siop_data {
-	int siop;
-	int rear;
-};
-
-static int ss_flags = 0;
-
-/* Uevent */
-static struct udev *udev = NULL;
-/* Kernel Uevent */
-static struct udev_monitor *mon = NULL;
-static Ecore_Fd_Handler *ufdh = NULL;
-static int ufd = -1;
-
-enum udev_subsystem_type {
-	UDEV_PLATFORM,
-	UDEV_SWITCH,
-};
-
-static const struct udev_subsystem {
-	const enum udev_subsystem_type type;
-	const char *str;
-	const char *devtype;
-} udev_subsystems[] = {
-	{ UDEV_PLATFORM,		PLATFORM_SUBSYSTEM,		NULL },
-	{ UDEV_SWITCH,			SWITCH_SUBSYSTEM,		NULL },
-};
-
-static dd_list *udev_event_list;
-
-static void tvout_chgdet_cb(void *data)
-{
-	_I("jack - tvout changed");
-	pm_change_internal(getpid(), LCD_NORMAL);
-}
-
-static void keyboard_chgdet_cb(void *data)
-{
-	int val = -1;
-	int ret = 0;
-
-	if (data)
-		val = *(int *)data;
-	else {
-		ret = device_get_property(DEVICE_TYPE_EXTCON, PROP_EXTCON_KEYBOARD_ONLINE, &val);
-		if (ret != 0) {
-			_E("failed to get status");
-			vconf_set_int(VCONFKEY_SYSMAN_SLIDING_KEYBOARD, VCONFKEY_SYSMAN_SLIDING_KEYBOARD_NOT_SUPPORTED);
-			return;
-		}
-	}
-	_I("jack - keyboard changed %d", val);
-	if(val != 1)
-		val = 0;
-	vconf_set_int(VCONFKEY_SYSMAN_SLIDING_KEYBOARD, val);
-}
-
-static void ums_unmount_cb(void *data)
-{
-	umount(MOVINAND_MOUNT_POINT);
-}
-
-#ifdef ENABLE_EDBUS_USE
-static void cb_xxxxx_signaled(void *data, DBusMessage * msg)
-{
-	char *args;
-	DBusError err;
-
-	dbus_error_init(&err);
-	if (dbus_message_get_args
-	    (msg, &err, DBUS_TYPE_STRING, &args, DBUS_TYPE_INVALID)) {
-		if (!strcmp(args, "action")) ;	/* action */
-	}
-
-	return;
-}
-#endif				/* ENABLE_EDBUS_USE */
-
-static int siop_execute(const char *siop, const char *rear)
-{
-	static const struct device_ops *ops = NULL;
-	struct siop_data params;
-
-	FIND_DEVICE_INT(ops, PROC_OPS_NAME);
-
-	if (!siop)
-		params.siop = 0;
-	else
-		params.siop = atoi(siop);
-	if (!rear)
-		params.rear = 0;
-	else
-		params.rear = atoi(rear);
-	return ops->execute((void *)&params);
-}
-
-static int changed_device(const char *name, const char *value)
-{
-	int val = 0;
-	int *state = NULL;
-	int i;
-
-	if (!name)
-		goto out;
-
-	if (value) {
-		val = atoi(value);
-		state = &val;
-	}
-
-	if (strncmp(name, TVOUT_NAME, TVOUT_NAME_LEN) == 0)
-		tvout_chgdet_cb((void *)state);
-	else if (strncmp(name, KEYBOARD_NAME, KEYBOARD_NAME_LEN) == 0)
-		keyboard_chgdet_cb((void *)state);
-out:
-	return 0;
-}
-
-static int booting_done(void *data)
-{
-	static int done = 0;
-	int ret;
-	int val;
-
-	if (data == NULL)
-		return done;
-	done = *(int*)data;
-	if (done == 0)
-		return done;
-
-	_I("booting done");
-
-	/* set initial state for devices */
-	keyboard_chgdet_cb(NULL);
-	return done;
-}
-
-static Eina_Bool uevent_kernel_control_cb(void *data, Ecore_Fd_Handler *fd_handler)
-{
-	struct udev_device *dev = NULL;
-	struct udev_list_entry *list_entry = NULL;
-	struct uevent_handler *l;
-	dd_list *elem;
-	const char *subsystem = NULL;
-	const char *env_name = NULL;
-	const char *env_value = NULL;
-	const char *devpath;
-	const char *devnode;
-	const char *action;
-	int ret = -1;
-	int i, len;
-
-	if ((dev = udev_monitor_receive_device(mon)) == NULL)
-		return EINA_TRUE;
-
-	subsystem = udev_device_get_subsystem(dev);
-
-	for (i = 0; i < ARRAY_SIZE(udev_subsystems); i++) {
-		len = strlen(udev_subsystems[i].str);
-		if (!strncmp(subsystem, udev_subsystems[i].str, len))
-			break;
-	}
-
-	if (i >= ARRAY_SIZE(udev_subsystems))
-		goto out;
-
-	devpath = udev_device_get_devpath(dev);
-
-	switch (udev_subsystems[i].type) {
-	case UDEV_SWITCH:
-		env_name = udev_device_get_property_value(dev, "SWITCH_NAME");
-		env_value = udev_device_get_property_value(dev, "SWITCH_STATE");
-		changed_device(env_name, env_value);
-		break;
-	case UDEV_PLATFORM:
-		env_value = udev_device_get_property_value(dev, ENV_FILTER);
-		if (!env_value)
-			break;
-		changed_device(env_value, NULL);
-		break;
-	}
-
-out:
-
-	DD_LIST_FOREACH(udev_event_list, elem, l) {
-		if (!strncmp(subsystem, l->subsystem, strlen(subsystem)) &&
-		    l->uevent_func)
-			l->uevent_func(dev);
-	}
-
-	udev_device_unref(dev);
-	return EINA_TRUE;
-}
-
-static int uevent_kernel_control_stop(void)
-{
-	struct udev_device *dev = NULL;
-
-	if (ufdh) {
-		ecore_main_fd_handler_del(ufdh);
-		ufdh = NULL;
-	}
-	if (ufd >= 0) {
-		close(ufd);
-		ufd = -1;
-	}
-	if (mon) {
-		dev = udev_monitor_receive_device(mon);
-		if (dev) {
-			udev_device_unref(dev);
-			dev = NULL;
-		}
-		udev_monitor_unref(mon);
-		mon = NULL;
-	}
-	if (udev) {
-		udev_unref(udev);
-		udev = NULL;
-	}
-	return 0;
-}
-
-static int uevent_kernel_control_start(void)
-{
-	struct uevent_handler *l;
-	dd_list *elem;
-	int i, ret;
-
-	if (udev && mon) {
-		_E("uevent control routine is alreay started");
-		return -EINVAL;
-	}
-
-	if (!udev) {
-		udev = udev_new();
-		if (!udev) {
-			_E("error create udev");
-			return -EINVAL;
-		}
-	}
-
-	mon = udev_monitor_new_from_netlink(udev, UDEV);
-	if (mon == NULL) {
-		_E("error udev_monitor create");
-		goto stop;
-	}
-
-	if (udev_monitor_set_receive_buffer_size(mon, UDEV_MONITOR_SIZE) != 0) {
-		_E("fail to set receive buffer size");
-		goto stop;
-	}
-
-	for (i = 0; i < ARRAY_SIZE(udev_subsystems); i++) {
-		ret = udev_monitor_filter_add_match_subsystem_devtype(mon,
-			    udev_subsystems[i].str, udev_subsystems[i].devtype);
-		if (ret < 0) {
-			_E("error apply subsystem filter");
-			goto stop;
-		}
-	}
-
-	DD_LIST_FOREACH(udev_event_list, elem, l) {
-		ret = udev_monitor_filter_add_match_subsystem_devtype(mon,
-				l->subsystem, NULL);
-		if (ret < 0) {
-			_E("error apply subsystem filter");
-			goto stop;
-		}
-	}
-
-	ret = udev_monitor_filter_update(mon);
-	if (ret < 0)
-		_E("error udev_monitor_filter_update");
-
-	ufd = udev_monitor_get_fd(mon);
-	if (ufd == -1) {
-		_E("error udev_monitor_get_fd");
-		goto stop;
-	}
-
-	ufdh = ecore_main_fd_handler_add(ufd, ECORE_FD_READ,
-			uevent_kernel_control_cb, NULL, NULL, NULL);
-	if (!ufdh) {
-		_E("error ecore_main_fd_handler_add");
-		goto stop;
-	}
-
-	if (udev_monitor_enable_receiving(mon) < 0) {
-		_E("error unable to subscribe to udev events");
-		goto stop;
-	}
-
-	return 0;
-stop:
-	uevent_kernel_control_stop();
-	return -EINVAL;
-
-}
-
-int register_kernel_uevent_control(const struct uevent_handler *uh)
-{
-	struct uevent_handler *l;
-	dd_list *elem;
-	int r;
-	bool matched = false;
-
-	if (!uh)
-		return -EINVAL;
-
-	/* if udev is not initialized, it just will be added list */
-	if (!udev || !mon)
-		goto add_list;
-
-	/* check if the same subsystem is already added */
-	DD_LIST_FOREACH(udev_event_list, elem, l) {
-		if (!strncmp(l->subsystem, uh->subsystem, strlen(l->subsystem))) {
-			matched = true;
-			break;
-		}
-	}
-
-	/* the first request to add subsystem */
-	if (!matched) {
-		r = udev_monitor_filter_add_match_subsystem_devtype(mon,
-				uh->subsystem, NULL);
-		if (r < 0) {
-			_E("fail to add %s subsystem : %d", uh->subsystem, r);
-			return -EPERM;
-		}
-	}
-
-	r = udev_monitor_filter_update(mon);
-	if (r < 0)
-		_E("fail to update udev monitor filter : %d", r);
-
-add_list:
-	DD_LIST_APPEND(udev_event_list, uh);
-	return 0;
-}
-
-int unregister_kernel_uevent_control(const struct uevent_handler *uh)
-{
-	struct uevent_handler *l;
-	dd_list *n, *next;
-
-	DD_LIST_FOREACH_SAFE(udev_event_list, n, next, l) {
-		if (!strncmp(l->subsystem, uh->subsystem, strlen(l->subsystem)) &&
-		    l->uevent_func == uh->uevent_func) {
-			DD_LIST_REMOVE(udev_event_list, l);
-			return 0;
-		}
-	}
-
-	return -ENOENT;
-}
-
-int uevent_udev_get_path(const char *subsystem, dd_list **list)
-{
-	struct udev_enumerate *enumerate = NULL;
-	struct udev_list_entry *devices, *dev_list_entry;
-	int ret;
-
-	if (!udev) {
-		udev = udev_new();
-		if (!udev) {
-			_E("error create udev");
-			return -EIO;
-		}
-	}
-
-	enumerate = udev_enumerate_new(udev);
-	if (!enumerate)
-		return -EIO;
-
-	ret = udev_enumerate_add_match_subsystem(enumerate, subsystem);
-	if (ret < 0)
-		return -EIO;
-
-	ret = udev_enumerate_scan_devices(enumerate);
-	if (ret < 0)
-		return -EIO;
-
-	devices = udev_enumerate_get_list_entry(enumerate);
-
-	udev_list_entry_foreach(dev_list_entry, devices) {
-		const char *path;
-		path = udev_list_entry_get_name(dev_list_entry);
-		_D("subsystem : %s, path : %s", subsystem, path);
-		DD_LIST_APPEND(*list, (void*)path);
-	}
-
-	return 0;
-}
-
-static DBusMessage *dbus_device_handler(E_DBus_Object *obj, DBusMessage *msg)
-{
-	DBusError err;
-	DBusMessageIter iter;
-	DBusMessage *reply;
-	pid_t pid;
-	int ret;
-	int argc;
-	char *type_str;
-	char *argv[2];
-
-	dbus_error_init(&err);
-
-	if (!dbus_message_get_args(msg, &err,
-		    DBUS_TYPE_STRING, &type_str,
-		    DBUS_TYPE_INT32, &argc,
-		    DBUS_TYPE_STRING, &argv[0],
-		    DBUS_TYPE_STRING, &argv[1], DBUS_TYPE_INVALID)) {
-		_E("there is no message");
-		ret = -EINVAL;
-		goto out;
-	}
-
-	if (argc < 0) {
-		_E("message is invalid!");
-		ret = -EINVAL;
-		goto out;
-	}
-
-	pid = get_edbus_sender_pid(msg);
-	if (kill(pid, 0) == -1) {
-		_E("%d process does not exist, dbus ignored!", pid);
-		ret = -ESRCH;
-		goto out;
-	}
-
-	changed_device(argv[0], argv[1]);
-
-out:
-	reply = dbus_message_new_method_return(msg);
-	dbus_message_iter_init_append(reply, &iter);
-	dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &ret);
-
-	return reply;
-}
-
-static DBusMessage *dbus_udev_handler(E_DBus_Object *obj, DBusMessage *msg)
-{
-	DBusError err;
-	DBusMessageIter iter;
-	DBusMessage *reply;
-	pid_t pid;
-	int ret;
-	int argc;
-	char *type_str;
-	char *argv;
-
-	dbus_error_init(&err);
-
-	if (!dbus_message_get_args(msg, &err,
-		    DBUS_TYPE_STRING, &type_str,
-		    DBUS_TYPE_INT32, &argc,
-		    DBUS_TYPE_STRING, &argv, DBUS_TYPE_INVALID)) {
-		_E("there is no message");
-		ret = -EINVAL;
-		goto out;
-	}
-
-	if (argc < 0) {
-		_E("message is invalid!");
-		ret = -EINVAL;
-		goto out;
-	}
-
-	pid = get_edbus_sender_pid(msg);
-	if (kill(pid, 0) == -1) {
-		_E("%d process does not exist, dbus ignored!", pid);
-		ret = -ESRCH;
-		goto out;
-	}
-
-	if (strncmp(argv, "start", strlen("start")) == 0) {
-		uevent_kernel_control_start();
-	} else if (strncmp(argv, "stop", strlen("stop")) == 0) {
-		uevent_kernel_control_stop();
-	}
-
-out:
-	reply = dbus_message_new_method_return(msg);
-	dbus_message_iter_init_append(reply, &iter);
-	dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &ret);
-
-	return reply;
-}
-
-void internal_pm_change_state(unsigned int s_bits)
-{
-	pm_change_internal(getpid(), s_bits);
-}
-
-static const struct edbus_method edbus_methods[] = {
-	{ PREDEF_DEVICE_CHANGED, "siss",    "i", dbus_device_handler },
-	{ PREDEF_UDEV_CONTROL,   "sis","i", dbus_udev_handler },
-};
-
-static int device_change_poweroff(void *data)
-{
-	uevent_kernel_control_stop();
-	return 0;
-}
-
-static void device_change_init(void *data)
-{
-	int ret;
-
-	register_notifier(DEVICE_NOTIFIER_POWEROFF, device_change_poweroff);
-	register_notifier(DEVICE_NOTIFIER_BOOTING_DONE, booting_done);
-	ret = register_edbus_method(DEVICED_PATH_SYSNOTI, edbus_methods, ARRAY_SIZE(edbus_methods));
-	if (ret < 0)
-		_E("fail to init edbus method(%d)", ret);
-
-	/* dbus noti change cb */
-#ifdef ENABLE_EDBUS_USE
-	e_dbus_init();
-	conn = e_dbus_bus_get(DBUS_BUS_SYSTEM);
-	if (!conn)
-		_E("check system dbus running!\n");
-
-	e_dbus_signal_handler_add(conn, NULL, "/system/uevent/xxxxx",
-				  "system.uevent.xxxxx",
-				  "Change", cb_xxxxx_signaled, data);
-#endif				/* ENABLE_EDBUS_USE */
-	if (uevent_kernel_control_start() != 0) {
-		_E("fail uevent control init");
-		return;
-	}
-}
-
-static void device_change_exit(void *data)
-{
-	unregister_notifier(DEVICE_NOTIFIER_POWEROFF, device_change_poweroff);
-	unregister_notifier(DEVICE_NOTIFIER_BOOTING_DONE, booting_done);
-}
-
-static const struct device_ops change_device_ops = {
-	.priority = DEVICE_PRIORITY_NORMAL,
-	.name     = "device change",
-	.init     = device_change_init,
-	.exit     = device_change_exit,
-};
-
-DEVICE_OPS_REGISTER(&change_device_ops)
diff --git a/src/core/device-handler.h b/src/core/device-handler.h
deleted file mode 100644
index 64db56da..00000000
--- a/src/core/device-handler.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * deviced
- *
- * Copyright (c) 2012 - 2013 Samsung Electronics Co., Ltd.
- *
- * 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 __DEVICE_HANDLER_H__
-#define __DEVICE_HANDLER_H__
-
-#include "common.h"
-
-enum dock_type {
-	DOCK_NONE	= 0,
-	DOCK_SOUND	= 7,
-};
-
-void internal_pm_change_state(unsigned int s_bits);
-#endif /* __DEVICE_HANDLER_H__ */
diff --git a/src/core/udev.c b/src/core/udev.c
new file mode 100644
index 00000000..2180d2b4
--- /dev/null
+++ b/src/core/udev.c
@@ -0,0 +1,342 @@
+/*
+ * deviced
+ *
+ * Copyright (c) 2012 - 2013 Samsung Electronics Co., Ltd.
+ *
+ * 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.
+ */
+
+
+#include <stdio.h>
+#include <errno.h>
+
+#include "log.h"
+#include "device-notifier.h"
+#include "devices.h"
+#include "udev.h"
+#include "list.h"
+#include "edbus-handler.h"
+
+#define PREDEF_UDEV_CONTROL		UDEV
+
+/* Uevent */
+static struct udev *udev;
+/* Kernel Uevent */
+static struct udev_monitor *mon;
+static Ecore_Fd_Handler *ufdh;
+static int ufd = -1;
+
+static dd_list *udev_event_list;
+
+static Eina_Bool uevent_kernel_control_cb(void *data, Ecore_Fd_Handler *fd_handler)
+{
+	struct udev_device *dev;
+	struct uevent_handler *l;
+	dd_list *elem;
+	const char *subsystem;
+
+	if ((dev = udev_monitor_receive_device(mon)) == NULL)
+		return EINA_TRUE;
+
+	subsystem = udev_device_get_subsystem(dev);
+
+	DD_LIST_FOREACH(udev_event_list, elem, l) {
+		if (!strncmp(subsystem, l->subsystem, strlen(subsystem)) &&
+		    l->uevent_func)
+			l->uevent_func(dev);
+	}
+
+	udev_device_unref(dev);
+	return EINA_TRUE;
+}
+
+static int uevent_kernel_control_stop(void)
+{
+	struct udev_device *dev = NULL;
+
+	if (ufdh) {
+		ecore_main_fd_handler_del(ufdh);
+		ufdh = NULL;
+	}
+	if (ufd >= 0) {
+		close(ufd);
+		ufd = -1;
+	}
+	if (mon) {
+		dev = udev_monitor_receive_device(mon);
+		if (dev) {
+			udev_device_unref(dev);
+			dev = NULL;
+		}
+		udev_monitor_unref(mon);
+		mon = NULL;
+	}
+	if (udev) {
+		udev_unref(udev);
+		udev = NULL;
+	}
+	return 0;
+}
+
+static int uevent_kernel_control_start(void)
+{
+	struct uevent_handler *l;
+	dd_list *elem;
+	int i, ret;
+
+	if (udev && mon) {
+		_E("uevent control routine is alreay started");
+		return -EINVAL;
+	}
+
+	if (!udev) {
+		udev = udev_new();
+		if (!udev) {
+			_E("error create udev");
+			return -EINVAL;
+		}
+	}
+
+	mon = udev_monitor_new_from_netlink(udev, UDEV);
+	if (mon == NULL) {
+		_E("error udev_monitor create");
+		goto stop;
+	}
+
+	if (udev_monitor_set_receive_buffer_size(mon, UDEV_MONITOR_SIZE) != 0) {
+		_E("fail to set receive buffer size");
+		goto stop;
+	}
+
+	DD_LIST_FOREACH(udev_event_list, elem, l) {
+		ret = udev_monitor_filter_add_match_subsystem_devtype(mon,
+				l->subsystem, NULL);
+		if (ret < 0) {
+			_E("error apply subsystem filter");
+			goto stop;
+		}
+	}
+
+	ret = udev_monitor_filter_update(mon);
+	if (ret < 0)
+		_E("error udev_monitor_filter_update");
+
+	ufd = udev_monitor_get_fd(mon);
+	if (ufd == -1) {
+		_E("error udev_monitor_get_fd");
+		goto stop;
+	}
+
+	ufdh = ecore_main_fd_handler_add(ufd, ECORE_FD_READ,
+			uevent_kernel_control_cb, NULL, NULL, NULL);
+	if (!ufdh) {
+		_E("error ecore_main_fd_handler_add");
+		goto stop;
+	}
+
+	if (udev_monitor_enable_receiving(mon) < 0) {
+		_E("error unable to subscribe to udev events");
+		goto stop;
+	}
+
+	return 0;
+stop:
+	uevent_kernel_control_stop();
+	return -EINVAL;
+
+}
+
+int register_kernel_uevent_control(const struct uevent_handler *uh)
+{
+	struct uevent_handler *l;
+	dd_list *elem;
+	int r;
+	bool matched = false;
+
+	if (!uh)
+		return -EINVAL;
+
+	/* if udev is not initialized, it just will be added list */
+	if (!udev || !mon)
+		goto add_list;
+
+	/* check if the same subsystem is already added */
+	DD_LIST_FOREACH(udev_event_list, elem, l) {
+		if (!strncmp(l->subsystem, uh->subsystem, strlen(l->subsystem))) {
+			matched = true;
+			break;
+		}
+	}
+
+	/* the first request to add subsystem */
+	if (!matched) {
+		r = udev_monitor_filter_add_match_subsystem_devtype(mon,
+				uh->subsystem, NULL);
+		if (r < 0) {
+			_E("fail to add %s subsystem : %d", uh->subsystem, r);
+			return -EPERM;
+		}
+	}
+
+	r = udev_monitor_filter_update(mon);
+	if (r < 0)
+		_E("fail to update udev monitor filter : %d", r);
+
+add_list:
+	DD_LIST_APPEND(udev_event_list, uh);
+	return 0;
+}
+
+int unregister_kernel_uevent_control(const struct uevent_handler *uh)
+{
+	struct uevent_handler *l;
+	dd_list *n, *next;
+
+	DD_LIST_FOREACH_SAFE(udev_event_list, n, next, l) {
+		if (!strncmp(l->subsystem, uh->subsystem, strlen(l->subsystem)) &&
+		    l->uevent_func == uh->uevent_func) {
+			DD_LIST_REMOVE(udev_event_list, l);
+			return 0;
+		}
+	}
+
+	return -ENOENT;
+}
+
+int uevent_udev_get_path(const char *subsystem, dd_list **list)
+{
+	struct udev_enumerate *enumerate = NULL;
+	struct udev_list_entry *devices, *dev_list_entry;
+	int ret;
+
+	if (!udev) {
+		udev = udev_new();
+		if (!udev) {
+			_E("error create udev");
+			return -EIO;
+		}
+	}
+
+	enumerate = udev_enumerate_new(udev);
+	if (!enumerate)
+		return -EIO;
+
+	ret = udev_enumerate_add_match_subsystem(enumerate, subsystem);
+	if (ret < 0)
+		return -EIO;
+
+	ret = udev_enumerate_scan_devices(enumerate);
+	if (ret < 0)
+		return -EIO;
+
+	devices = udev_enumerate_get_list_entry(enumerate);
+
+	udev_list_entry_foreach(dev_list_entry, devices) {
+		const char *path;
+		path = udev_list_entry_get_name(dev_list_entry);
+		_D("subsystem : %s, path : %s", subsystem, path);
+		DD_LIST_APPEND(*list, (void*)path);
+	}
+
+	return 0;
+}
+
+static DBusMessage *dbus_udev_handler(E_DBus_Object *obj, DBusMessage *msg)
+{
+	DBusError err;
+	DBusMessageIter iter;
+	DBusMessage *reply;
+	pid_t pid;
+	int ret;
+	int argc;
+	char *type_str;
+	char *argv;
+
+	dbus_error_init(&err);
+
+	if (!dbus_message_get_args(msg, &err,
+		    DBUS_TYPE_STRING, &type_str,
+		    DBUS_TYPE_INT32, &argc,
+		    DBUS_TYPE_STRING, &argv, DBUS_TYPE_INVALID)) {
+		_E("there is no message");
+		ret = -EINVAL;
+		goto out;
+	}
+
+	if (argc < 0) {
+		_E("message is invalid!");
+		ret = -EINVAL;
+		goto out;
+	}
+
+	pid = get_edbus_sender_pid(msg);
+	if (kill(pid, 0) == -1) {
+		_E("%d process does not exist, dbus ignored!", pid);
+		ret = -ESRCH;
+		goto out;
+	}
+
+	if (strncmp(argv, "start", strlen("start")) == 0) {
+		ret = uevent_kernel_control_start();
+	} else if (strncmp(argv, "stop", strlen("stop")) == 0) {
+		ret = uevent_kernel_control_stop();
+	}
+
+out:
+	reply = dbus_message_new_method_return(msg);
+	dbus_message_iter_init_append(reply, &iter);
+	dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &ret);
+
+	return reply;
+}
+
+static const struct edbus_method edbus_methods[] = {
+	{ PREDEF_UDEV_CONTROL,   "sis","i", dbus_udev_handler },
+};
+
+static int device_change_poweroff(void *data)
+{
+	uevent_kernel_control_stop();
+	return 0;
+}
+
+static void udev_init(void *data)
+{
+	int ret;
+
+	register_notifier(DEVICE_NOTIFIER_POWEROFF, device_change_poweroff);
+
+	ret = register_edbus_method(DEVICED_PATH_SYSNOTI,
+			edbus_methods, ARRAY_SIZE(edbus_methods));
+	if (ret < 0)
+		_E("fail to init edbus method(%d)", ret);
+
+	if (uevent_kernel_control_start() != 0) {
+		_E("fail uevent control init");
+		return;
+	}
+}
+
+static void udev_exit(void *data)
+{
+	unregister_notifier(DEVICE_NOTIFIER_POWEROFF, device_change_poweroff);
+}
+
+static const struct device_ops udev_device_ops = {
+	.priority = DEVICE_PRIORITY_NORMAL,
+	.name     = "udev",
+	.init     = udev_init,
+	.exit     = udev_exit,
+};
+
+DEVICE_OPS_REGISTER(&udev_device_ops)
diff --git a/src/core/udev.h b/src/core/udev.h
index 2c560331..d8d69a6d 100644
--- a/src/core/udev.h
+++ b/src/core/udev.h
@@ -23,9 +23,7 @@
 #include <libudev.h>
 
 #define UDEV			"kernel"
-#define UDEV_SUBSYSTEM		"SUBSYSTEM"
 
-#define UDEV_ACTION		"ACTION"
 #define UDEV_CHANGE		"change"
 #define UDEV_ADD		"add"
 #define UDEV_REMOVE		"remove"
@@ -36,9 +34,6 @@
 #define UDEV_MONITOR_SIZE	(10*1024)
 #define UDEV_MONITOR_SIZE_LARGE (128*1024*1024)
 
-/* platform */
-#define PLATFORM_SUBSYSTEM	"platform"
-
 /* battery device */
 #define POWER_SUBSYSTEM		"power_supply"
 #define POWER_PATH			"/sys/class/power_supply/battery"
@@ -52,15 +47,9 @@
 #define CHARGE_STATUS		"POWER_SUPPLY_STATUS"
 #define CHARGE_ONLINE		"POWER_SUPPLY_ONLINE"
 
-/* switch device */
-#define SWITCH_SUBSYSTEM	"switch"
-
 /* extcon */
 #define EXTCON_SUBSYSTEM	"extcon"
 
-/* host device */
-#define HOST_SUBSYSTEM		"host_notify"
-
 /* usb */
 #define USB_SUBSYSTEM           "usb"
 #define USB_INTERFACE_DEVTYPE   "usb_interface"
@@ -85,6 +74,11 @@ enum {
 	 POWER_SUPPLY_TYPE_USB,
 };
 
+enum dock_type {
+	DOCK_NONE   = 0,
+	DOCK_SOUND  = 7,
+};
+
 struct uevent_handler {
 	char *subsystem;
 	void (*uevent_func)(struct udev_device *dev);
diff --git a/src/display/core.c b/src/display/core.c
index c4eb9881..61e9cb28 100644
--- a/src/display/core.c
+++ b/src/display/core.c
@@ -45,7 +45,6 @@
 #include "display-ops.h"
 #include "core/devices.h"
 #include "core/device-notifier.h"
-#include "core/device-handler.h"
 #include "core/udev.h"
 #include "core/list.h"
 #include "core/common.h"
diff --git a/src/display/key-filter.c b/src/display/key-filter.c
index fa95a5bf..c5611fa4 100644
--- a/src/display/key-filter.c
+++ b/src/display/key-filter.c
@@ -34,7 +34,6 @@
 #include "core/devices.h"
 #include "core/device-notifier.h"
 #include "core/edbus-handler.h"
-#include "core/device-handler.h"
 #include "power/power-handler.h"
 
 #include <linux/input.h>
diff --git a/src/display/poll.c b/src/display/poll.c
index 9052d3c9..23697779 100644
--- a/src/display/poll.c
+++ b/src/display/poll.c
@@ -24,7 +24,6 @@
  */
 
 #include <stdio.h>
-#include "core/device-handler.h"
 #include "util.h"
 #include "core.h"
 #include "poll.h"
diff --git a/src/extcon/cradle.c b/src/extcon/cradle.c
index 6aabe5f9..70614d49 100644
--- a/src/extcon/cradle.c
+++ b/src/extcon/cradle.c
@@ -23,7 +23,7 @@
 #include "core/log.h"
 #include "core/device-notifier.h"
 #include "core/edbus-handler.h"
-#include "core/device-handler.h"
+#include "core/udev.h"
 #include "display/core.h"
 #include "extcon/extcon.h"
 
diff --git a/src/extcon/earjack.c b/src/extcon/earjack.c
index c5deaeb5..d63c71d9 100644
--- a/src/extcon/earjack.c
+++ b/src/extcon/earjack.c
@@ -50,7 +50,7 @@ static int earjack_update(int status)
 	vconf_set_int(VCONFKEY_SYSMAN_EARJACK, status);
 	earjack_send_broadcast(status);
 	if (status != 0)
-		internal_pm_change_state(LCD_NORMAL);
+		pm_change_internal(getpid(), LCD_NORMAL);
 }
 
 static struct extcon_ops earjack_extcon_ops = {
diff --git a/src/mmc/mmc-handler.c b/src/mmc/mmc-handler.c
index 5b2f73d9..e7ca722f 100644
--- a/src/mmc/mmc-handler.c
+++ b/src/mmc/mmc-handler.c
@@ -34,7 +34,6 @@
 #include <tzplatform_config.h>
 
 #include "core/log.h"
-#include "core/device-handler.h"
 #include "core/device-notifier.h"
 #include "core/common.h"
 #include "core/devices.h"
diff --git a/src/power/power-handler.c b/src/power/power-handler.c
index 9ae300e1..a208851e 100644
--- a/src/power/power-handler.c
+++ b/src/power/power-handler.c
@@ -35,7 +35,6 @@
 #include "dd-deviced.h"
 #include "core/log.h"
 #include "core/launch.h"
-#include "core/device-handler.h"
 #include "core/device-notifier.h"
 #include "core/common.h"
 #include "core/devices.h"