platform_hardware_libhardwa.../power/power_qemu.c
2009-01-15 16:12:14 -08:00

51 lines
1.4 KiB
C

/*
* Copyright (C) 2008 The Android Open Source 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 "qemu.h"
#include "power_qemu.h"
#include <fcntl.h>
#include <errno.h>
#include <hardware_legacy/power.h>
static void
set_a_light(const char* name, unsigned brightness)
{
qemu_control_command( "power:light:brightness:%s:%d",
name, brightness );
}
int
qemu_set_light_brightness(unsigned int mask, unsigned int brightness)
{
if (mask & KEYBOARD_LIGHT) {
set_a_light("keyboard_backlight", brightness);
}
if (mask & SCREEN_LIGHT) {
set_a_light("lcd_backlight", brightness);
}
if (mask & BUTTON_LIGHT) {
set_a_light("button_backlight", brightness);
}
return 0;
}
int
qemu_set_screen_state(int on)
{
qemu_control_command( "power:screen_state:%s", on ? "wake" : "standby" );
return 0;
}