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1 /*
2  * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include "display_power_mgr_proxy.h"
17 
18 #include "errors.h"
19 #include "message_option.h"
20 #include "message_parcel.h"
21 #include "display_log.h"
22 #include "display_common.h"
23 
24 namespace OHOS {
25 namespace DisplayPowerMgr {
SetDisplayState(uint32_t id,DisplayState state,uint32_t reason)26 bool DisplayPowerMgrProxy::SetDisplayState(uint32_t id, DisplayState state, uint32_t reason)
27 {
28     sptr<IRemoteObject> remote = Remote();
29     RETURN_IF_WITH_RET(remote == nullptr, false);
30 
31     bool result = false;
32     MessageParcel data;
33     MessageParcel reply;
34     MessageOption option;
35 
36     if (!data.WriteInterfaceToken(DisplayPowerMgrProxy::GetDescriptor())) {
37         DISPLAY_HILOGE(COMP_FWK, "write descriptor failed!");
38         return result;
39     }
40 
41     WRITE_PARCEL_WITH_RET(data, Uint32, id, false);
42     WRITE_PARCEL_WITH_RET(data, Uint32, static_cast<uint32_t>(state), false);
43     WRITE_PARCEL_WITH_RET(data, Uint32, reason, false);
44 
45     int ret = remote->SendRequest(static_cast<int>(IDisplayPowerMgr::SET_DISPLAY_STATE),
46         data, reply, option);
47     if (ret != ERR_OK) {
48         DISPLAY_HILOGE(COMP_FWK, "SendRequest is failed, error code: %d", ret);
49         return result;
50     }
51 
52     if (!reply.ReadBool(result)) {
53         DISPLAY_HILOGE(COMP_FWK, "Readback fail!");
54         return result;
55     }
56 
57     return result;
58 }
59 
GetDisplayState(uint32_t id)60 DisplayState DisplayPowerMgrProxy::GetDisplayState(uint32_t id)
61 {
62     sptr<IRemoteObject> remote = Remote();
63     RETURN_IF_WITH_RET(remote == nullptr, DisplayState::DISPLAY_UNKNOWN);
64 
65     uint32_t result = 0;
66     MessageParcel data;
67     MessageParcel reply;
68     MessageOption option;
69 
70     if (!data.WriteInterfaceToken(DisplayPowerMgrProxy::GetDescriptor())) {
71         DISPLAY_HILOGE(COMP_FWK, "write descriptor failed!");
72         return DisplayState::DISPLAY_UNKNOWN;
73     }
74 
75     WRITE_PARCEL_WITH_RET(data, Uint32, id, DisplayState::DISPLAY_UNKNOWN);
76 
77     int ret = remote->SendRequest(static_cast<int>(IDisplayPowerMgr::GET_DISPLAY_STATE),
78         data, reply, option);
79     if (ret != ERR_OK) {
80         DISPLAY_HILOGE(COMP_FWK, "SendRequest is failed, error code: %d", ret);
81         return DisplayState::DISPLAY_UNKNOWN;
82     }
83 
84     if (!reply.ReadUint32(result)) {
85         DISPLAY_HILOGE(COMP_FWK, "Readback fail!");
86         return DisplayState::DISPLAY_UNKNOWN;
87     }
88 
89     return static_cast<DisplayState>(result);
90 }
91 
GetDisplayIds()92 std::vector<uint32_t> DisplayPowerMgrProxy::GetDisplayIds()
93 {
94     sptr<IRemoteObject> remote = Remote();
95     std::vector<uint32_t> result;
96 
97     RETURN_IF_WITH_RET(remote == nullptr, result);
98 
99     uint32_t count = 0;
100     MessageParcel data;
101     MessageParcel reply;
102     MessageOption option;
103 
104     if (!data.WriteInterfaceToken(DisplayPowerMgrProxy::GetDescriptor())) {
105         DISPLAY_HILOGE(COMP_FWK, "write descriptor failed!");
106         return result;
107     }
108 
109     int ret = remote->SendRequest(static_cast<int>(IDisplayPowerMgr::GET_DISPLAY_IDS),
110         data, reply, option);
111     if (ret != ERR_OK) {
112         DISPLAY_HILOGE(COMP_FWK, "SendRequest is failed, error code: %d", ret);
113         return result;
114     }
115 
116     if (!reply.ReadUint32(count)) {
117         DISPLAY_HILOGE(COMP_FWK, "Readback fail!");
118         return result;
119     }
120 
121     for (uint32_t i = 0; i < count; i++) {
122         uint32_t value;
123         if (reply.ReadUint32(value)) {
124             result.push_back(value);
125         } else {
126             DISPLAY_HILOGE(COMP_FWK, "read value fail: %{public}d", i);
127         }
128     }
129 
130     return result;
131 }
132 
GetMainDisplayId()133 uint32_t DisplayPowerMgrProxy::GetMainDisplayId()
134 {
135     sptr<IRemoteObject> remote = Remote();
136     uint32_t result = 0;
137 
138     RETURN_IF_WITH_RET(remote == nullptr, result);
139 
140     MessageParcel data;
141     MessageParcel reply;
142     MessageOption option;
143 
144     if (!data.WriteInterfaceToken(DisplayPowerMgrProxy::GetDescriptor())) {
145         DISPLAY_HILOGE(COMP_FWK, "write descriptor failed!");
146         return result;
147     }
148 
149     int ret = remote->SendRequest(static_cast<int>(IDisplayPowerMgr::GET_MAIN_DISPLAY_ID),
150         data, reply, option);
151     if (ret != ERR_OK) {
152         DISPLAY_HILOGE(COMP_FWK, "SendRequest is failed, error code: %d", ret);
153         return result;
154     }
155 
156     if (!reply.ReadUint32(result)) {
157         DISPLAY_HILOGE(COMP_FWK, "Readback fail!");
158         return result;
159     }
160 
161     return result;
162 }
163 
SetBrightness(uint32_t value,uint32_t displayId)164 bool DisplayPowerMgrProxy::SetBrightness(uint32_t value, uint32_t displayId)
165 {
166     sptr<IRemoteObject> remote = Remote();
167     RETURN_IF_WITH_RET(remote == nullptr, false);
168 
169     bool result = false;
170     MessageParcel data;
171     MessageParcel reply;
172     MessageOption option;
173 
174     if (!data.WriteInterfaceToken(DisplayPowerMgrProxy::GetDescriptor())) {
175         DISPLAY_HILOGE(COMP_FWK, "write descriptor failed!");
176         return result;
177     }
178 
179     WRITE_PARCEL_WITH_RET(data, Uint32, value, false);
180     WRITE_PARCEL_WITH_RET(data, Uint32, displayId, false);
181 
182     int ret = remote->SendRequest(static_cast<int32_t>(IDisplayPowerMgr::SET_BRIGHTNESS),
183         data, reply, option);
184     if (ret != ERR_OK) {
185         DISPLAY_HILOGE(COMP_FWK, "SendRequest is failed, error code: %d", ret);
186         return result;
187     }
188 
189     if (!reply.ReadBool(result)) {
190         DISPLAY_HILOGE(COMP_FWK, "Readback fail!");
191         return result;
192     }
193     int32_t error;
194     READ_PARCEL_WITH_RET(reply, Int32, error, result);
195     lastError_ = static_cast<DisplayErrors>(error);
196 
197     return result;
198 }
199 
DiscountBrightness(double discount,uint32_t displayId)200 bool DisplayPowerMgrProxy::DiscountBrightness(double discount, uint32_t displayId)
201 {
202     sptr<IRemoteObject> remote = Remote();
203     RETURN_IF_WITH_RET(remote == nullptr, false);
204 
205     bool result = false;
206     MessageParcel data;
207     MessageParcel reply;
208     MessageOption option;
209 
210     if (!data.WriteInterfaceToken(DisplayPowerMgrProxy::GetDescriptor())) {
211         DISPLAY_HILOGE(COMP_FWK, "write descriptor failed!");
212         return result;
213     }
214 
215     WRITE_PARCEL_WITH_RET(data, Double, discount, false);
216     WRITE_PARCEL_WITH_RET(data, Uint32, displayId, false);
217 
218     int ret = remote->SendRequest(static_cast<int32_t>(IDisplayPowerMgr::DISCOUNT_BRIGHTNESS),
219         data, reply, option);
220     if (ret != ERR_OK) {
221         DISPLAY_HILOGE(COMP_FWK, "SendRequest is failed, error code: %d", ret);
222         return false;
223     }
224 
225     if (!reply.ReadBool(result)) {
226         DISPLAY_HILOGE(COMP_FWK, "Readback fail!");
227         return false;
228     }
229 
230     return result;
231 }
232 
OverrideBrightness(uint32_t value,uint32_t displayId)233 bool DisplayPowerMgrProxy::OverrideBrightness(uint32_t value, uint32_t displayId)
234 {
235     sptr<IRemoteObject> remote = Remote();
236     RETURN_IF_WITH_RET(remote == nullptr, false);
237 
238     bool result = false;
239     MessageParcel data;
240     MessageParcel reply;
241     MessageOption option;
242 
243     if (!data.WriteInterfaceToken(DisplayPowerMgrProxy::GetDescriptor())) {
244         DISPLAY_HILOGE(COMP_FWK, "write descriptor failed!");
245         return result;
246     }
247 
248     WRITE_PARCEL_WITH_RET(data, Uint32, value, false);
249     WRITE_PARCEL_WITH_RET(data, Uint32, displayId, false);
250 
251     int ret = remote->SendRequest(static_cast<int32_t>(IDisplayPowerMgr::OVERRIDE_BRIGHTNESS), data, reply, option);
252     if (ret != ERR_OK) {
253         DISPLAY_HILOGE(COMP_FWK, "SendRequest is failed, error code: %d", ret);
254         return result;
255     }
256 
257     if (!reply.ReadBool(result)) {
258         DISPLAY_HILOGE(COMP_FWK, "Readback fail!");
259         return result;
260     }
261 
262     return result;
263 }
264 
RestoreBrightness(uint32_t displayId)265 bool DisplayPowerMgrProxy::RestoreBrightness(uint32_t displayId)
266 {
267     sptr<IRemoteObject> remote = Remote();
268     uint32_t result = 0;
269 
270     RETURN_IF_WITH_RET(remote == nullptr, result);
271 
272     MessageParcel data;
273     MessageParcel reply;
274     MessageOption option;
275 
276     if (!data.WriteInterfaceToken(DisplayPowerMgrProxy::GetDescriptor())) {
277         DISPLAY_HILOGE(COMP_FWK, "write descriptor failed!");
278         return result;
279     }
280 
281     WRITE_PARCEL_WITH_RET(data, Uint32, displayId, false);
282 
283     int ret = remote->SendRequest(static_cast<int>(IDisplayPowerMgr::RESTORE_BRIGHTNESS),
284                                   data, reply, option);
285     if (ret != ERR_OK) {
286         DISPLAY_HILOGE(COMP_FWK, "SendRequest is failed, error code: %d", ret);
287         return result;
288     }
289 
290     if (!reply.ReadUint32(result)) {
291         DISPLAY_HILOGE(COMP_FWK, "Readback fail!");
292         return result;
293     }
294 
295     return result;
296 }
297 
GetBrightness(uint32_t displayId)298 uint32_t DisplayPowerMgrProxy::GetBrightness(uint32_t displayId)
299 {
300     sptr<IRemoteObject> remote = Remote();
301     uint32_t result = 0;
302 
303     RETURN_IF_WITH_RET(remote == nullptr, result);
304 
305     MessageParcel data;
306     MessageParcel reply;
307     MessageOption option;
308 
309     if (!data.WriteInterfaceToken(DisplayPowerMgrProxy::GetDescriptor())) {
310         DISPLAY_HILOGE(COMP_FWK, "write descriptor failed!");
311         return result;
312     }
313 
314     WRITE_PARCEL_WITH_RET(data, Uint32, displayId, false);
315 
316     int ret = remote->SendRequest(static_cast<int>(IDisplayPowerMgr::GET_BRIGHTNESS),
317                                   data, reply, option);
318     if (ret != ERR_OK) {
319         DISPLAY_HILOGE(COMP_FWK, "SendRequest is failed, error code: %d", ret);
320         return result;
321     }
322 
323     if (!reply.ReadUint32(result)) {
324         DISPLAY_HILOGE(COMP_FWK, "Readback fail!");
325         return result;
326     }
327 
328     return result;
329 }
330 
GetDefaultBrightness()331 uint32_t DisplayPowerMgrProxy::GetDefaultBrightness()
332 {
333     sptr<IRemoteObject> remote = Remote();
334     uint32_t result = 0;
335 
336     RETURN_IF_WITH_RET(remote == nullptr, result);
337 
338     MessageParcel data;
339     MessageParcel reply;
340     MessageOption option;
341 
342     if (!data.WriteInterfaceToken(DisplayPowerMgrProxy::GetDescriptor())) {
343         DISPLAY_HILOGE(COMP_FWK, "write descriptor failed!");
344         return result;
345     }
346 
347     int ret = remote->SendRequest(static_cast<int>(IDisplayPowerMgr::GET_DEFAULT_BRIGHTNESS),
348                                   data, reply, option);
349     if (ret != ERR_OK) {
350         DISPLAY_HILOGE(COMP_FWK, "SendRequest is failed, error code: %d", ret);
351         return result;
352     }
353 
354     if (!reply.ReadUint32(result)) {
355         DISPLAY_HILOGE(COMP_FWK, "Readback fail!");
356         return result;
357     }
358 
359     return result;
360 }
361 
GetMaxBrightness()362 uint32_t DisplayPowerMgrProxy::GetMaxBrightness()
363 {
364     sptr<IRemoteObject> remote = Remote();
365     uint32_t result = 0;
366 
367     RETURN_IF_WITH_RET(remote == nullptr, result);
368 
369     MessageParcel data;
370     MessageParcel reply;
371     MessageOption option;
372 
373     if (!data.WriteInterfaceToken(DisplayPowerMgrProxy::GetDescriptor())) {
374         DISPLAY_HILOGE(COMP_FWK, "write descriptor failed!");
375         return result;
376     }
377 
378     int ret = remote->SendRequest(static_cast<int>(IDisplayPowerMgr::GET_MAX_BRIGHTNESS),
379                                   data, reply, option);
380     if (ret != ERR_OK) {
381         DISPLAY_HILOGE(COMP_FWK, "SendRequest is failed, error code: %d", ret);
382         return result;
383     }
384 
385     if (!reply.ReadUint32(result)) {
386         DISPLAY_HILOGE(COMP_FWK, "Readback fail!");
387         return result;
388     }
389 
390     return result;
391 }
392 
GetMinBrightness()393 uint32_t DisplayPowerMgrProxy::GetMinBrightness()
394 {
395     sptr<IRemoteObject> remote = Remote();
396     uint32_t result = 0;
397 
398     RETURN_IF_WITH_RET(remote == nullptr, result);
399 
400     MessageParcel data;
401     MessageParcel reply;
402     MessageOption option;
403 
404     if (!data.WriteInterfaceToken(DisplayPowerMgrProxy::GetDescriptor())) {
405         DISPLAY_HILOGE(COMP_FWK, "write descriptor failed!");
406         return result;
407     }
408 
409     int ret = remote->SendRequest(static_cast<int>(IDisplayPowerMgr::GET_MIN_BRIGHTNESS),
410                                   data, reply, option);
411     if (ret != ERR_OK) {
412         DISPLAY_HILOGE(COMP_FWK, "SendRequest is failed, error code: %d", ret);
413         return result;
414     }
415 
416     if (!reply.ReadUint32(result)) {
417         DISPLAY_HILOGE(COMP_FWK, "Readback fail!");
418         return result;
419     }
420 
421     return result;
422 }
423 
AdjustBrightness(uint32_t id,int32_t value,uint32_t duration)424 bool DisplayPowerMgrProxy::AdjustBrightness(uint32_t id, int32_t value, uint32_t duration)
425 {
426     sptr<IRemoteObject> remote = Remote();
427     RETURN_IF_WITH_RET(remote == nullptr, false);
428 
429     bool result = false;
430     MessageParcel data;
431     MessageParcel reply;
432     MessageOption option;
433 
434     if (!data.WriteInterfaceToken(DisplayPowerMgrProxy::GetDescriptor())) {
435         DISPLAY_HILOGE(COMP_FWK, "write descriptor failed!");
436         return result;
437     }
438 
439     WRITE_PARCEL_WITH_RET(data, Uint32, id, false);
440     WRITE_PARCEL_WITH_RET(data, Int32, value, false);
441     WRITE_PARCEL_WITH_RET(data, Int32, duration, false);
442 
443     int ret = remote->SendRequest(static_cast<int>(IDisplayPowerMgr::ADJUST_BRIGHTNESS),
444         data, reply, option);
445     if (ret != ERR_OK) {
446         DISPLAY_HILOGE(COMP_FWK, "SendRequest is failed, error code: %d", ret);
447         return result;
448     }
449 
450     if (!reply.ReadBool(result)) {
451         DISPLAY_HILOGE(COMP_FWK, "Readback fail!");
452         return result;
453     }
454 
455     return result;
456 }
457 
AutoAdjustBrightness(bool enable)458 bool DisplayPowerMgrProxy::AutoAdjustBrightness(bool enable)
459 {
460     sptr<IRemoteObject> remote = Remote();
461     RETURN_IF_WITH_RET(remote == nullptr, false);
462 
463     bool result = false;
464     MessageParcel data;
465     MessageParcel reply;
466     MessageOption option;
467 
468     if (!data.WriteInterfaceToken(DisplayPowerMgrProxy::GetDescriptor())) {
469         DISPLAY_HILOGE(COMP_FWK, "write descriptor failed!");
470         return result;
471     }
472 
473     WRITE_PARCEL_WITH_RET(data, Bool, enable, false);
474 
475     int ret = remote->SendRequest(static_cast<int>(IDisplayPowerMgr::AUTO_ADJUST_BRIGHTNESS),
476         data, reply, option);
477     if (ret != ERR_OK) {
478         DISPLAY_HILOGE(COMP_FWK, "SendRequest is failed, error code: %d", ret);
479         return result;
480     }
481 
482     if (!reply.ReadBool(result)) {
483         DISPLAY_HILOGE(COMP_FWK, "Readback fail!");
484         return result;
485     }
486 
487     return result;
488 }
489 
IsAutoAdjustBrightness()490 bool DisplayPowerMgrProxy::IsAutoAdjustBrightness()
491 {
492     sptr<IRemoteObject> remote = Remote();
493     RETURN_IF_WITH_RET(remote == nullptr, false);
494 
495     bool result = false;
496     MessageParcel data;
497     MessageParcel reply;
498     MessageOption option;
499 
500     if (!data.WriteInterfaceToken(DisplayPowerMgrProxy::GetDescriptor())) {
501         DISPLAY_HILOGE(COMP_FWK, "write descriptor failed!");
502         return result;
503     }
504 
505     int ret = remote->SendRequest(static_cast<int>(IDisplayPowerMgr::IS_AUTO_ADJUST_BRIGHTNESS),
506         data, reply, option);
507     if (ret != ERR_OK) {
508         DISPLAY_HILOGE(COMP_FWK, "SendRequest is failed, error code: %d", ret);
509         return result;
510     }
511 
512     if (!reply.ReadBool(result)) {
513         DISPLAY_HILOGE(COMP_FWK, "Readback fail!");
514         return result;
515     }
516 
517     return result;
518 }
519 
RegisterCallback(sptr<IDisplayPowerCallback> callback)520 bool DisplayPowerMgrProxy::RegisterCallback(sptr<IDisplayPowerCallback> callback)
521 {
522     sptr<IRemoteObject> remote = Remote();
523     RETURN_IF_WITH_RET(remote == nullptr, false);
524 
525     bool result = false;
526     MessageParcel data;
527     MessageParcel reply;
528     MessageOption option;
529 
530     if (!data.WriteInterfaceToken(DisplayPowerMgrProxy::GetDescriptor())) {
531         DISPLAY_HILOGE(COMP_FWK, "write descriptor failed!");
532         return result;
533     }
534 
535     WRITE_PARCEL_WITH_RET(data, RemoteObject, callback->AsObject(), false);
536 
537     int ret = remote->SendRequest(static_cast<int>(IDisplayPowerMgr::REGISTER_CALLBACK),
538         data, reply, option);
539     if (ret != ERR_OK) {
540         DISPLAY_HILOGE(COMP_FWK, "SendRequest is failed, error code: %d", ret);
541         return result;
542     }
543 
544     if (!reply.ReadBool(result)) {
545         DISPLAY_HILOGE(COMP_FWK, "Readback fail!");
546         return result;
547     }
548 
549     return result;
550 }
551 
BoostBrightness(int32_t timeoutMs,uint32_t displayId)552 bool DisplayPowerMgrProxy::BoostBrightness(int32_t timeoutMs, uint32_t displayId)
553 {
554     sptr<IRemoteObject> remote = Remote();
555     RETURN_IF_WITH_RET(remote == nullptr, false);
556 
557     bool result = false;
558     MessageParcel data;
559     MessageParcel reply;
560     MessageOption option;
561 
562     if (!data.WriteInterfaceToken(DisplayPowerMgrProxy::GetDescriptor())) {
563         DISPLAY_HILOGE(COMP_FWK, "write descriptor failed!");
564         return result;
565     }
566 
567     WRITE_PARCEL_WITH_RET(data, Int32, timeoutMs, false);
568     WRITE_PARCEL_WITH_RET(data, Uint32, displayId, false);
569 
570     int ret = remote->SendRequest(static_cast<int>(IDisplayPowerMgr::BOOST_BRIGHTNESS),
571         data, reply, option);
572     if (ret != ERR_OK) {
573         DISPLAY_HILOGE(COMP_FWK, "SendRequest is failed, error code: %d", ret);
574         return result;
575     }
576 
577     if (!reply.ReadBool(result)) {
578         DISPLAY_HILOGE(COMP_FWK, "Readback fail!");
579         return result;
580     }
581 
582     return result;
583 }
584 
CancelBoostBrightness(uint32_t displayId)585 bool DisplayPowerMgrProxy::CancelBoostBrightness(uint32_t displayId)
586 {
587     sptr<IRemoteObject> remote = Remote();
588     RETURN_IF_WITH_RET(remote == nullptr, false);
589 
590     bool result = false;
591     MessageParcel data;
592     MessageParcel reply;
593     MessageOption option;
594 
595     if (!data.WriteInterfaceToken(DisplayPowerMgrProxy::GetDescriptor())) {
596         DISPLAY_HILOGE(COMP_FWK, "write descriptor failed!");
597         return result;
598     }
599     WRITE_PARCEL_WITH_RET(data, Uint32, displayId, false);
600 
601     int ret = remote->SendRequest(static_cast<int>(IDisplayPowerMgr::CANCEL_BOOST_BRIGHTNESS),
602         data, reply, option);
603     if (ret != ERR_OK) {
604         DISPLAY_HILOGE(COMP_FWK, "SendRequest is failed, error code: %d", ret);
605         return result;
606     }
607 
608     if (!reply.ReadBool(result)) {
609         DISPLAY_HILOGE(COMP_FWK, "Readback fail!");
610         return result;
611     }
612 
613     return result;
614 }
615 
GetDeviceBrightness(uint32_t displayId)616 uint32_t DisplayPowerMgrProxy::GetDeviceBrightness(uint32_t displayId)
617 {
618     sptr<IRemoteObject> remote = Remote();
619     uint32_t result = 0;
620 
621     RETURN_IF_WITH_RET(remote == nullptr, result);
622 
623     MessageParcel data;
624     MessageParcel reply;
625     MessageOption option;
626 
627     if (!data.WriteInterfaceToken(DisplayPowerMgrProxy::GetDescriptor())) {
628         DISPLAY_HILOGE(COMP_FWK, "write descriptor failed!");
629         return result;
630     }
631 
632     WRITE_PARCEL_WITH_RET(data, Uint32, displayId, false);
633 
634     int ret = remote->SendRequest(static_cast<int>(IDisplayPowerMgr::GET_DEVICE_BRIGHTNESS),
635                                   data, reply, option);
636     if (ret != ERR_OK) {
637         DISPLAY_HILOGE(COMP_FWK, "SendRequest is failed, error code: %d", ret);
638         return result;
639     }
640 
641     if (!reply.ReadUint32(result)) {
642         DISPLAY_HILOGE(COMP_FWK, "Readback fail!");
643         return result;
644     }
645 
646     return result;
647 }
648 
GetError()649 DisplayErrors DisplayPowerMgrProxy::GetError()
650 {
651     return lastError_;
652 }
653 } // namespace DisplayPowerMgr
654 } // namespace OHOS
655