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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
/*
* Copyright 2017 The UBports project
* Copyright 2023 Robert Tari
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3, as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Marius Gripsgard <marius@ubports.com>
* Robert Tari <robert@tari.in>
*/
#include "flashlight.h"
#include <gio/gio.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#define QCOM_ENABLE "255"
#define QCOM_DISABLE "0"
#define SIMPLE_ENABLE "1"
#define SIMPLE_DISABLE "0"
const size_t qcom_sysfs_size = 7;
const char* const qcom_sysfs[] = {"/sys/class/leds/torch-light/brightness",
"/sys/class/leds/led:flash_torch/brightness",
"/sys/class/leds/flashlight/brightness",
"/sys/class/leds/torch-light0/brightness",
"/sys/class/leds/torch-light1/brightness",
"/sys/class/leds/led:torch_0/brightness",
"/sys/class/leds/led:torch_1/brightness"};
const size_t qcom_switch_size = 2;
const char* const qcom_switch[] = {"/sys/class/leds/led:switch/brightness",
"/sys/class/leds/led:switch_0/brightness"};
const size_t simple_sysfs_size = 2;
const char* const simple_sysfs[] = {"/sys/class/flashlight_core/flashlight/flashlight_torch",
"/sys/class/leds/white:flash/brightness"};
char* flash_sysfs_path = NULL;
char* qcom_switch_path = NULL;
enum TorchType torch_type = SIMPLE;
gboolean activated = 0;
int
set_sysfs_path()
{
for (size_t i = 0; i < qcom_sysfs_size; i++) {
if (access(qcom_sysfs[i], F_OK ) != -1){
flash_sysfs_path = (char*)qcom_sysfs[i];
torch_type = QCOM;
/* Qualcomm torch; determine switch file (if one is needed) */
for (size_t i = 0; i < qcom_switch_size; i++) {
if (access(qcom_switch[i], F_OK ) != -1)
qcom_switch_path = (char*)qcom_switch[i];
}
return 1;
}
}
for (size_t i = 0; i < simple_sysfs_size; i++) {
if (access(simple_sysfs[i], F_OK ) != -1){
flash_sysfs_path = (char*)simple_sysfs[i];
return 1;
}
}
return 0;
}
gboolean
flashlight_activated()
{
return activated;
}
int
toggle_flashlight_action_qcom()
{
FILE *fd1 = NULL, *fd2 = NULL;
int needs_enable;
fd1 = fopen(flash_sysfs_path, "w");
if (fd1 != NULL) {
needs_enable = access(qcom_switch_path, F_OK ) != -1;
if (needs_enable)
fd2 = fopen(qcom_switch_path, "w");
if (activated)
if (needs_enable && fd2 != NULL)
fprintf(fd2, "0");
else
fprintf(fd1, QCOM_DISABLE);
else {
fprintf(fd1, QCOM_ENABLE);
if (needs_enable && fd2 != NULL)
fprintf(fd2, "1");
}
fclose(fd1);
if (fd2 !=NULL)
fclose(fd2);
return 1;
}
return 0;
}
int
toggle_flashlight_action_simple()
{
FILE *fd = NULL;
fd = fopen(flash_sysfs_path, "w");
if (fd != NULL) {
fprintf(fd, activated ? SIMPLE_DISABLE : SIMPLE_ENABLE);
fclose(fd);
return 1;
}
return 0;
}
void
toggle_flashlight_action(GAction *action,
GVariant *parameter G_GNUC_UNUSED,
gpointer data G_GNUC_UNUSED)
{
GVariant *state;
int toggled;
if (!set_sysfs_path())
return;
state = g_action_get_state(action);
activated = g_variant_get_boolean(state);
g_variant_unref(state);
if (torch_type == QCOM)
toggled = toggle_flashlight_action_qcom();
else
toggled = toggle_flashlight_action_simple();
if (toggled)
g_simple_action_set_state (G_SIMPLE_ACTION (action), g_variant_new_boolean(!activated));
}
int
flashlight_supported()
{
return set_sysfs_path();
}
|
