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 #include <cutils/log.h>
17 #include <errno.h>
18 #include <fcntl.h>
19 #include <hardware/lights.h>
20 #include <pthread.h>
21 #include <stdint.h>
22 #include <stdlib.h>
23 #include <string.h>
24 #include <sys/ioctl.h>
25 #include <sys/types.h>
26 #include <unistd.h>
27
28 #include "guest/libs/platform_support/api_level_fixes.h"
29
set_light(struct light_device_t * dev,struct light_state_t const * state)30 static int set_light(struct light_device_t* dev,
31 struct light_state_t const* state) {
32 ALOGI("%s: dev %p state %p", __FUNCTION__, dev, state);
33 if (state) {
34 ALOGI("%s: state value %d\n", __FUNCTION__, state->color);
35 }
36 return 0;
37 }
38
close_lights(struct light_device_t * dev)39 static int close_lights(struct light_device_t* dev) {
40 free(dev);
41 return 0;
42 }
43
open_lights(const struct hw_module_t * module,char const * name __unused,struct hw_device_t ** device)44 static int open_lights(const struct hw_module_t* module,
45 char const* name __unused, struct hw_device_t** device) {
46 struct light_device_t* dev = malloc(sizeof(struct light_device_t));
47 if (dev == NULL) {
48 return -EINVAL;
49 }
50 memset(dev, 0, sizeof(*dev));
51
52 dev->common.tag = HARDWARE_DEVICE_TAG;
53 dev->common.version = 0;
54 dev->common.module = (struct hw_module_t*)module;
55 dev->common.close = (int (*)(struct hw_device_t*))close_lights;
56 dev->set_light = set_light;
57 *device = (struct hw_device_t*)dev;
58 return 0;
59 }
60
61 static struct hw_module_methods_t lights_module_methods = {
62 VSOC_STATIC_INITIALIZER(open) open_lights,
63 };
64
65 struct hw_module_t HAL_MODULE_INFO_SYM = {
66 VSOC_STATIC_INITIALIZER(tag) HARDWARE_MODULE_TAG,
67 VSOC_STATIC_INITIALIZER(version_major) 1,
68 VSOC_STATIC_INITIALIZER(version_minor) 0,
69 VSOC_STATIC_INITIALIZER(id) LIGHTS_HARDWARE_MODULE_ID,
70 VSOC_STATIC_INITIALIZER(name) "Android GCE lights Module",
71 VSOC_STATIC_INITIALIZER(author) "Google",
72 VSOC_STATIC_INITIALIZER(methods) & lights_module_methods,
73 };
74