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/*
* Copyright (C) 2012 The Android Open Source 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 "emulator PowerHAL"
#include <utils/Log.h>
#include <hardware/hardware.h>
#include <hardware/power.h>
#include <hardware/qemud.h>
#include <fcntl.h>
#include <errno.h>
static int qemud_fd;
static void power_qemu_init(struct power_module *module)
{
qemud_fd = qemud_channel_open("hw-control");
if (qemud_fd < 0)
ALOGE("Error connecting to qemud hw-control service\n");
}
static void power_qemu_set_interactive(struct power_module *module, int on)
{
int r;
r = qemud_channel_send(qemud_fd, on ? "power:screen_state:wake"
: "power:screen_state:standby", -1);
if (r < 0)
ALOGE("Error sending power command to qemud hw-control service\n");
}
static struct hw_module_methods_t power_qemu_module_methods = {
.open = NULL,
};
struct power_module HAL_MODULE_INFO_SYM = {
.common = {
.tag = HARDWARE_MODULE_TAG,
.version_major = 1,
.version_minor = 0,
.id = POWER_HARDWARE_MODULE_ID,
.name = "Emulator Power HAL",
.author = "The Android Open Source Project",
.methods = &power_qemu_module_methods,
},
.init = power_qemu_init,
.setInteractive = power_qemu_set_interactive,
};
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