blob: 3328063c09918616bdd20b920297312100c5301e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/*
* Copyright (C) 2022 Project Kaleidoscope
*
* 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.
*/
#define LOG_TAG "charge-control-hal"
#include "ChargeControl.h"
#include <android-base/logging.h>
#include <fcntl.h>
/*
* If the default node is not compatible, bake this HAL into your
* device tree and change the following macros.
*/
#define CHARGE_CONTROL_NODE "/sys/class/power_supply/battery/charging_enabled"
#define CHARGE_ENABLED '1'
#define CHARGE_DISABLED '0'
namespace vendor::lineage::chgctrl::implementation {
static int readNode(char& ret) {
int fd;
int err = 0;
fd = open(CHARGE_CONTROL_NODE, O_RDONLY);
if (fd < 0)
return 1;
err = read(fd, &ret, sizeof(char));
close(fd);
if (err < 0)
return 1;
return 0;
}
static int writeNode(char value) {
int fd;
int err = 0;
fd = open(CHARGE_CONTROL_NODE, O_WRONLY);
if (fd < 0)
return 1;
err = write(fd, &value, sizeof(char));
close(fd);
if (err < 0)
return 1;
return 0;
}
// Methods from ::vendor::lineage::chgctrl::V1_0::IChargeControl follow.
Return<bool> ChargeControl::getChargeEnabled() {
char status = 0;
if (readNode(status))
LOG(ERROR) << "Unable to get status";
if (status == CHARGE_DISABLED)
return false;
return true;
}
// Return true on failure
Return<bool> ChargeControl::setChargeEnabled(bool enabled) {
char value;
if (enabled)
value = CHARGE_ENABLED;
else
value = CHARGE_DISABLED;
return writeNode(value);
}
// Methods from ::android::hidl::base::V1_0::IBase follow.
//IChargeControl* HIDL_FETCH_IChargeControl(const char* /* name */) {
//return new ChargeControl();
//}
//
} // namespace vendor::lineage::chgctrl::implementation
|
