1 /*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #define LOG_TAG "VrDevice"
18
19 #include <android-base/logging.h>
20 #include <android-base/properties.h>
21 #include "VrDevice.h"
22
23 namespace android {
24 namespace hardware {
25 namespace vr {
26 namespace V1_0 {
27 namespace implementation {
28
VrDevice()29 VrDevice::VrDevice() {}
30
init()31 Return<void> VrDevice::init() {
32 // NOOP
33 return Void();
34 }
35
setVrMode(bool enabled)36 Return<void> VrDevice::setVrMode(bool enabled) {
37 if (enabled) {
38 if (!android::base::SetProperty("sys.qcom.thermalcfg", "/vendor/etc/thermal-engine-vr.conf")) {
39 LOG(ERROR) << "Couldn't set thermal_engine enable property";
40 return Void();
41 }
42 } else {
43 if (!android::base::SetProperty("sys.qcom.thermalcfg", "/vendor/etc/thermal-engine.conf")) {
44 LOG(ERROR) << "Couldn't set thermal_engine disable property";
45 return Void();
46 }
47 }
48 if (!android::base::SetProperty("ctl.restart", "thermal-engine")) {
49 LOG(ERROR) << "Couldn't set thermal_engine restart property";
50 }
51 if (!access("/sys/devices/virtual/input/ftm4_touch/vrmode", W_OK)) {
52 FILE *f = fopen("/sys/devices/virtual/input/ftm4_touch/vrmode", "w");
53 if (f) {
54 fprintf(f, "%d", (enabled ? 1 : 0));
55 fclose(f);
56 }
57 else {
58 LOG(ERROR) << "Couldn't open vrmode sysfs node";
59 }
60 }
61 return Void();
62 }
63
64 } // namespace implementation
65 } // namespace V1_0
66 } // namespace vr
67 } // namespace hardware
68 } // namespace android
69