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/*
* Copyright 2017 The UBports project
*
* 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>
*/
#include "flashlight.h"
#include <gio/gio.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#define QCOM_ENABLE "255"
#define QCOM_DISABLE "0"
const size_t qcom_sysfs_size = 2;
const char* const qcom_sysfs[] = {"/sys/class/leds/torch-light/brightness", "/sys/class/leds/led:flash_torch/brightness"};
char* flash_sysfs_path = NULL;
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];
return 1;
}
}
return 0;
}
gboolean
flashlight_activated()
{
return activated;
}
void
toggle_flashlight_action(GAction *action,
GVariant *parameter G_GNUC_UNUSED,
gpointer data G_GNUC_UNUSED)
{
GVariant *state;
FILE* fd;
if (!set_sysfs_path())
return;
state = g_action_get_state(action);
activated = g_variant_get_boolean(state);
g_variant_unref(state);
fd = fopen(flash_sysfs_path, "w");
if (fd != NULL){
if (activated)
fprintf(fd, QCOM_DISABLE);
else
fprintf(fd, QCOM_ENABLE);
fclose(fd);
g_action_change_state(action, g_variant_new_boolean(!activated));
}
}
int
flashlight_supported()
{
return set_sysfs_path();
}
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