使用es8311声卡的问题
Posted: 2025-06-19 2:06
驱动弄好后，usb0插电脑变成uac，然后ssh进终端播放任意音频报错设备忙
root@luckfox:~# aplay *.wav
ALSA lib pcm_dmix.c
(snd_pcm_dmix_open) unable to open slave
aplay: main:850: audio open error: Device or resource busy
root@luckfox:~# dmesg | grep gadget
[ 6.231491] g_audio gadget.0: Hardware params: access 3, format 2, channels 2, rate 48000
[ 6.235785] g_audio gadget.0: Linux USB Audio Gadget, version: Feb 2, 2012
[ 6.240044] g_audio gadget.0: g_audio ready
[ 410.696177] g_audio gadget.0: Playback error: -32
root@luckfox:~#
root@luckfox:~# arecord -d 10 -f cd -t wav aaa.wav
ALSA lib pcm_dsnoop.c:567:(snd_pcm_dsnoop_open) unable to open slave
arecord: main:850: audio open error: Device or resource busy
root@luckfox:~#
已经在内核模块中禁用gadget uac相关驱动模块
root@luckfox:~# aplay *.wav
ALSA lib pcm_dmix.c
(snd_pcm_dmix_open) unable to open slaveaplay: main:850: audio open error: Device or resource busy
root@luckfox:~# dmesg | grep gadget
[ 6.231491] g_audio gadget.0: Hardware params: access 3, format 2, channels 2, rate 48000
[ 6.235785] g_audio gadget.0: Linux USB Audio Gadget, version: Feb 2, 2012
[ 6.240044] g_audio gadget.0: g_audio ready
[ 410.696177] g_audio gadget.0: Playback error: -32
root@luckfox:~#
root@luckfox:~# arecord -d 10 -f cd -t wav aaa.wav
ALSA lib pcm_dsnoop.c:567:(snd_pcm_dsnoop_open) unable to open slave
arecord: main:850: audio open error: Device or resource busy
root@luckfox:~#
已经在内核模块中禁用gadget uac相关驱动模块