Gentoo安装详解（五）–声卡设置

硬件检测

To choose the right driver, first detect the used audio controller. You can use lspci for this task:

内核配置

You need to activate the following kernel options:

软件

You also want to install media-sound/alsa-utils, if it isn’t already pulled in:

配置

权限

Add the user you want to be able to access the sound card to the audio group:

服务

You can now start ALSA:

To start ALSA at boot time, add it your boot runlevel:

Mixer调节音量，取消静音

If you can’t hear anything, the output channels may be muted. Unmute the channels with your desktop environment’s mixer or with alsamixer by selecting the appropriate channels and hitting the m key to mute or unmute:

测试声音

If everything above is perfect, you should now be able to test your sound card and your speakers. We will use the speaker-test command line tool from package media-sound/alsa-utils (this should already be installed as per our previous recommendation).

来源：孤逐王