android_device_samsung_mond.../power/power_ext.c
2018-07-05 18:59:13 +03:00

59 lines
1.5 KiB
C
Executable File

/*
* Copyright (c) 2014 The CyanogenMod Project
*
* 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.
*/
#include <errno.h>
#include <string.h>
#include <fcntl.h>
#define LOG_TAG "PowerHAL_K_Ext"
#include <utils/Log.h>
/* touchkeys */
#define TK_POWER "/sys/class/input/input1/enabled"
/* touchscreen */
#define TS_POWER "/sys/class/input/input2/enabled"
static void sysfs_write(char *path, char *s) {
char buf[80];
int len;
int fd = open(path, O_WRONLY);
if (fd < 0) {
strerror_r(errno, buf, sizeof(buf));
ALOGE("Error opening %s: %s\n", path, buf);
return;
}
len = write(fd, s, strlen(s));
if (len < 0) {
strerror_r(errno, buf, sizeof(buf));
ALOGE("Error writing to %s: %s\n", path, buf);
}
close(fd);
}
void power_set_interactive_ext(int on) {
ALOGD("%s: %s input devices", __func__, on ? "enabling" : "disabling");
sysfs_write(TK_POWER, on ? "1" : "0");
sysfs_write(TS_POWER, on ? "1" : "0");
}
void cm_power_set_interactive_ext(int on) {
power_set_interactive_ext(on);
}