Merge "Fix failure to load power HAL implementation" into oc-dev am: ad504560

}

IPower* HIDL_FETCH_IPower(const char* /* name */) {

    int ret = 0;

    const hw_module_t* hw_module = NULL;

    power_module_t *power_module;

    ret = hw_get_module(POWER_HARDWARE_MODULE_ID, &hw_module);

    if (ret == 0 && hw_module->methods->open) {

        ret = hw_module->methods->open(hw_module, POWER_HARDWARE_MODULE_ID,

                reinterpret_cast<hw_device_t**>(&power_module));

        if (ret == 0) {

            return new Power(power_module);

        }

        else {

            ALOGE("Passthrough failed to load legacy power HAL.");

    const hw_module_t* hw_module = nullptr;

    power_module_t* power_module = nullptr;

    int err = hw_get_module(POWER_HARDWARE_MODULE_ID, &hw_module);

    if (err) {

        ALOGE("hw_get_module %s failed: %d", POWER_HARDWARE_MODULE_ID, err);

        return nullptr;

    }

    }

    else {

        ALOGE ("hw_get_module %s failed: %d", POWER_HARDWARE_MODULE_ID, ret);

    if (!hw_module->methods || !hw_module->methods->open) {

        power_module = reinterpret_cast<power_module_t*>(

            const_cast<hw_module_t*>(hw_module));

    } else {

        err = hw_module->methods->open(

            hw_module, POWER_HARDWARE_MODULE_ID,

            reinterpret_cast<hw_device_t**>(&power_module));

        if (err) {

            ALOGE("Passthrough failed to load legacy HAL.");

            return nullptr;

        }

    }

    return new Power(power_module);

}

} // namespace implementation

}  // namespace V1_0