1 /*------------------------------------------------------------------------- 2 Copyright (c) 2012-2013, The Linux Foundation. All rights reserved. 3 4 Redistribution and use in source and binary forms, with or without 5 modification, are permitted provided that the following conditions 6 are met: 7 8 * Redistributions of source code must retain the above copyright 9 notice, this list of conditions and the following disclaimer. 10 * Redistributions in binary form must reproduce the above 11 copyright notice, this list of conditions and the following 12 disclaimer in the documentation and/or other materials provided 13 with the distribution. 14 * Neither the name of The Linux Foundation nor the names of its 15 contributors may be used to endorse or promote products derived 16 from this software without specific prior written permission. 17 18 THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 19 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 20 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 21 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 22 BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 25 BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 26 WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 27 OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 28 IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 --------------------------------------------------------------------------*/ 30 31 #include "power_module.h" 32 33 PowerModule *PowerModule::mPowerModuleInstance = NULL; 34 35 PowerModule *PowerModule::getInstance() 36 { 37 if (mPowerModuleInstance == NULL) { 38 mPowerModuleInstance = new PowerModule; 39 40 if (mPowerModuleInstance) { 41 mPowerModuleInstance->mPowerModuleHandle = NULL; 42 43 hw_get_module(POWER_HARDWARE_MODULE_ID, 44 (const hw_module_t **)&(mPowerModuleInstance->mPowerModuleHandle)); 45 } 46 } 47 48 return mPowerModuleInstance; 49 } 50 51 power_module_t *PowerModule::getPowerModuleHandle() 52 { 53 return mPowerModuleHandle; 54 } 55
