src/ta/ta-handler.c

   1 /*
   2  * deviced
   3  *
   4  * Copyright (c) 2012 - 2013 Samsung Electronics Co., Ltd.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the License);
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18
  19
  20 #include <vconf.h>
  21 #include <device-node.h>
  22
  23 #include "core/log.h"
  24 #include "core/devices.h"
  25 #include "display/poll.h"
  26 #include "core/common.h"
  27
  28 #define RETRY   3
  29
  30 enum ta_connect_status{
  31         TA_OFFLINE = 0,
  32         TA_ONLINE = 1,
  33 };
  34
  35 static int __check_insuspend_charging(void)
  36 {
  37         int val, ret;
  38
  39         ret = device_get_property(DEVICE_TYPE_POWER, PROP_POWER_INSUSPEND_CHARGING_SUPPORT, &val);
  40         if (ret != 0)
  41                 val = 0;
  42         if (val == 0)
  43                 ret = pm_lock_internal(INTERNAL_LOCK_TA, LCD_OFF, STAY_CUR_STATE, 0);
  44         else
  45                 ret = 0;
  46         return ret;
  47 }
  48
  49 static void ta_init(void *data)
  50 {
  51         int val, i = 0;
  52         int ret;
  53
  54         if (device_get_property(DEVICE_TYPE_EXTCON, PROP_EXTCON_TA_ONLINE, &val) != 0)
  55                 val = -EINVAL;
  56
  57         if (val == TA_ONLINE) {
  58                 vconf_set_int(VCONFKEY_SYSMAN_CHARGER_STATUS,
  59                                 VCONFKEY_SYSMAN_CHARGER_CONNECTED);
  60                 while (i < RETRY
  61                            && __check_insuspend_charging() == -1) {
  62                         i++;
  63                         sleep(1);
  64                 }
  65         } else if (val == TA_OFFLINE) {
  66                 vconf_set_int(VCONFKEY_SYSMAN_CHARGER_STATUS,
  67                                 VCONFKEY_SYSMAN_CHARGER_DISCONNECTED);
  68         }
  69 }
  70
  71 static const struct device_ops ta_device_ops = {
  72         .priority = DEVICE_PRIORITY_NORMAL,
  73         .name     = "ta",
  74         .init     = ta_init,
  75 };
  76
  77 DEVICE_OPS_REGISTER(&ta_device_ops)