58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
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/*
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* Copyright (C) 2021 The LineageOS Project
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <aidl/android/hardware/power/BnPower.h>
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#include <android-base/file.h>
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#include <android-base/logging.h>
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#include <sys/ioctl.h>
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// defines from drivers/input/touchscreen/xiaomi/xiaomi_touch.h
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#define SET_CUR_VALUE 0
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#define Touch_Doubletap_Mode 14
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#define TOUCH_DEV_PATH "/dev/xiaomi-touch"
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#define TOUCH_ID 0
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#define TOUCH_MAGIC 0x5400
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#define TOUCH_IOC_SETMODE TOUCH_MAGIC + SET_CUR_VALUE
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namespace aidl {
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namespace android {
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namespace hardware {
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namespace power {
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namespace impl {
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using ::aidl::android::hardware::power::Mode;
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bool isDeviceSpecificModeSupported(Mode type, bool* _aidl_return) {
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switch (type) {
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case Mode::DOUBLE_TAP_TO_WAKE:
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*_aidl_return = true;
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return true;
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default:
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return false;
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}
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}
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bool setDeviceSpecificMode(Mode type, bool enabled) {
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switch (type) {
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case Mode::DOUBLE_TAP_TO_WAKE: {
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int fd = open(TOUCH_DEV_PATH, O_RDWR);
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int arg[3] = {TOUCH_ID, Touch_Doubletap_Mode, enabled ? 1 : 0};
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ioctl(fd, TOUCH_IOC_SETMODE, &arg);
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close(fd);
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return true;
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}
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default:
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return false;
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}
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}
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} // namespace impl
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} // namespace power
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} // namespace hardware
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} // namespace android
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} // namespace aidl
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