> For the complete documentation index, see [llms.txt](https://book.bsdcn.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://book.bsdcn.org/man/man4/acpi_asus.4.md).

# acpi\_asus.4

`acpi_asus` — Asus 笔记本附加功能

## 名称

`acpi_asus`

## 概要

要将此驱动编译进内核，请在内核配置文件中加入以下行：

> device acpi\_asus

或者，要在引导时以模块形式加载该驱动，请在 loader.conf(5) 中加入以下行：

```sh
acpi_asus_load="YES"
```

## 描述

`acpi_asus` 驱动提供对近期 Asus（和 Medion）笔记本上由 ACPI 控制的附加设备（如热键和指示灯）的支持。它允许通过 [sysctl(8)](/man/man8/sysctl.8.md) 接口来调节 LCD 面板的亮度和显示输出状态。热键事件会传递给 devd(8)，以便通过 **`/etc/devd/asus.conf`** 中的默认配置在用户态中轻松处理。

目前，以下 Asus 笔记本受到完全支持：

* xxN
* A1x
* A2x
* A3N
* A4D
* A6VM
* D1x
* J1x
* L2B
* L2D
* L2E
* L3C
* L3D
* L3H
* L4E
* L4R
* L5x
* L8x
* M1A
* M2E
* M6N
* M6R
* S1x
* S2x
* V6V
* W5A
* Eee PC

此外，`acpi_asus` 还支持在 *Samsung P30/P35* 笔记本中发现的 Asus 兼容 *ATK0100* 接口。

## SYSCTL 变量

目前实现了以下 sysctl：

**`0`** 无显示

**`1`** LCD

**`2`** CRT

**`4`** TV-Out

**`hw.acpi.asus.lcd_brightness`** 使 LCD 背光更亮或更暗（值越大越亮）。

**`hw.acpi.asus.lcd_backlight`** 打开或关闭 LCD 背光。

**`hw.acpi.asus.video_output`** 根据以下值的按位 OR 来设置要使用的活动显示：某些型号还支持通过通用 [acpi\_video(4)](/man/man4/acpi_video.4.md) 驱动进行视频切换。但大多数型号不支持。

这些变量的默认值可在 [sysctl.conf(5)](/man/man5/sysctl.conf.5.md) 中设置，该文件在引导时解析。

## 参见

[acpi(4)](/man/man4/acpi.4.md), [acpi\_asus\_wmi(4)](/man/man4/acpi_asus_wmi.4.md), [acpi\_video(4)](/man/man4/acpi_video.4.md), [sysctl.conf(5)](/man/man5/sysctl.conf.5.md), [sysctl(8)](/man/man8/sysctl.8.md)

> "The acpi4asus Project".

## 历史

`acpi_asus` 驱动首次出现于 FreeBSD 5.3。

## 作者

`acpi_asus` 驱动及本手册页由 Philip Paeps <philip@FreeBSD.org> 编写。

灵感来自 Julien Lerouge 发起的 *acpi4asus project*，该项目维护了一个在 Linux 内核中实现此功能的驱动。


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