android_device_xiaomi_sm835.../power/power-mode.cpp

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/*
* Copyright (C) 2021 The LineageOS Project
*
* SPDX-License-Identifier: Apache-2.0
*/
#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_ID 0
#define TOUCH_MAGIC 0x5400
#define TOUCH_IOC_SETMODE TOUCH_MAGIC + SET_CUR_VALUE
namespace aidl {
namespace android {
namespace hardware {
namespace power {
namespace impl {
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[3] = {TOUCH_ID, Touch_Doubletap_Mode, enabled ? 1 : 0};
ioctl(fd, TOUCH_IOC_SETMODE, &arg);
close(fd);
return true;
}
default:
return false;
}
}
} // namespace impl
} // namespace power
} // namespace hardware
} // namespace android
} // namespace aidl