device_xiaomi_sm6150-common/power/power-mode.cpp
Arian 8cf1d5dda3
sm6150-common: power: Use xiaomi-touch to handle dt2w
Change-Id: I73f95e32daf9e2c702662ac2c2c8182e6b8eb214
2021-06-25 19:22:00 +02:00

70 lines
1.9 KiB
C++

/*
* Copyright (C) 2020 The LineageOS 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.
*/
#include <aidl/android/hardware/power/BnPower.h>
#include <android-base/file.h>
#include <android-base/logging.h>
#include <sys/ioctl.h>
// defines from drivers/input/touchscreen/xiaomi/xiaomi_touch.h
#define SET_CUR_VALUE 0
#define Touch_Doubletap_Mode 14
#define TOUCH_DEV_PATH "/dev/xiaomi-touch"
#define TOUCH_MAGIC 0x5400
#define TOUCH_IOC_SETMODE TOUCH_MAGIC + SET_CUR_VALUE
namespace aidl {
namespace google {
namespace hardware {
namespace power {
namespace impl {
namespace pixel {
using ::aidl::android::hardware::power::Mode;
bool isDeviceSpecificModeSupported(Mode type, bool* _aidl_return) {
switch (type) {
case Mode::DOUBLE_TAP_TO_WAKE:
*_aidl_return = true;
return true;
default:
return false;
}
}
bool setDeviceSpecificMode(Mode type, bool enabled) {
switch (type) {
case Mode::DOUBLE_TAP_TO_WAKE: {
int fd = open(TOUCH_DEV_PATH, O_RDWR);
int arg[2] = {Touch_Doubletap_Mode, enabled ? 1 : 0};
ioctl(fd, TOUCH_IOC_SETMODE, &arg);
close(fd);
return true;
}
default:
return false;
}
}
} // namespace pixel
} // namespace impl
} // namespace power
} // namespace hardware
} // namespace google
} // namespace aidl