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/***************************************************************************
*
* hal-system-lcd-get-brightness-sunos.c : Get LCD brightness
*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*
* Licensed under the Academic Free License version 2.1
*
**************************************************************************/
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <errno.h>
#include <string.h>
#include <strings.h>
#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <unistd.h>
#include "../../hald/util.h"
#include <sys/acpi_drv.h>
int
main(int argc, char *argv[])
{
struct acpi_drv_output_status status;
int fd = -1;
char *udi;
char device_file[HAL_PATH_MAX] = "/devices";
char *devfs_path;
if ((udi = getenv("UDI")) == NULL) {
return (-1);
}
if ((devfs_path = getenv("HAL_PROP_SOLARIS_DEVFS_PATH")) == NULL) {
return (-1);
}
strlcat(device_file, devfs_path, HAL_PATH_MAX);
fprintf(stderr, "Getting brightness on %s (udi=%s)",
device_file, udi);
if ((fd = open(device_file, O_RDONLY | O_NONBLOCK)) < 0) {
fprintf(stderr, "Cannot open %s: %s", device_file,
strerror(errno));
return (-1);
}
bzero(&status, sizeof (status));
if (ioctl(fd, ACPI_DRV_IOC_STATUS, &status) < 0) {
close(fd);
return (-1);
} else {
close(fd);
return (status.cur_level_index);
}
}
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