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资本家大善人

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注册时间： 2021-03-26

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全志v3s荔枝派zero对usb声卡的支持

全志v3s荔枝派zero对usb声卡的支持
淘宝7元买的usb声卡
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效果
视频声音小了，请将电脑声音调置最大

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内核
Device Drivers -->

Sound card support -->

--- Sound card support Preclaim OSS device numbers

<*> Advanced Linux Sound Architecture -->

--- Advanced Linux Sound Architecture

[ *] Enable OSS Emulation

< *> OSS Mixer API

< *> OSS PCM (digital audio) API

[ *] OSS PCM (digital audio) API - Include plugin system

[ *] USB sound devices --->

<*>USB Audio /MIDI drive
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设备树
/*
&codec {
allwinner,audio-routing =
"Headphone", "HP",
"Headphone", "HPCOM",
"MIC1", "Mic",
"Mic", "HBIAS";
status = "okay";
};
*/
我去除了原来的声卡配置，因为用不上，自己画的板子，耳机口还没焊接
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根文件
开启alsa

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验证
ls/dev
查看有没有audio设备

root@lzq:/129# aplay -l
** List of PLAYBACK Hardware Devices **
card 0: Device [USB PnP Sound Device], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0
root@lzq:/129#
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问题
mp3格式无法用aplay播放（都是噪声），估计是采样率不匹配，用mplayer就好了
aplay只能播放wav格式的音乐

最近编辑记录 资本家大善人 (2021-07-21 22:24:13)