<p>[[File:media/image289.png|365x89px]]</p></li>

<li><p>然后可以通过'''aplay -l'''命令可以查看下linux系统支持的声卡设备，从下面的输出可知，'''card 3'''为es8388的声卡设备，也就是耳机的声卡设备</p>

<p>orangepi@orangepi:~$ '''aplay -l'''</p>

<p>**** List of PLAYBACK Hardware Devices ****</p>

<p>card 0: rockchipdp0 [rockchip,dp0], device 0: rockchip,dp0 spdif-hifi-0 [rockchip,dp0 spdif-hifi-0]</p>

<p>card 1: rockchiphdmi0 [rockchip-hdmi0], device 0: rockchip-hdmi0 i2s-hifi-0 [rockchip-hdmi0 i2s-hifi-0]</p>

<p>card 2: rockchiphdmi1 [rockchip-hdmi1], device 0: rockchip-hdmi1 i2s-hifi-0 [rockchip-hdmi1 i2s-hifi-0]</p>

<p>'''card 3: rockchipes8388 [rockchip,es8388], device 0: dailink-multicodecs ES8323.7-0011-0 [dailink-multicodecs ES8323.7-0011-0]'''</p>

<li><p>然后使用'''aplay'''命令播放下系统自带的音频文件，如果耳机能听到声音说明硬件能正常使用</p>

<p>orangepi@orangepi:~$ '''aplay -D hw:3,0 /usr/share/sounds/alsa/audio.wav'''</p>