roc-rk3566-pc使用官方buildroot镜像没有声音

深井蛙

镜像使用的是ROC-RK3566-PC-BUILDROOT-GPT-20211012-1641.7z，md5: c5bcf4a69e8ddcd92c50a994b35cba0a

播放声音时耳机孔没有声音输出，静悄悄的。

1. [root@RK356X:~]# aplay -l
   
2. **** List of PLAYBACK Hardware Devices ****
   
3. card 0: rockchiphdmi [rockchip,hdmi], device 0: fe400000.i2s-i2s-hifi i2s-hifi-0 [fe400000.i2s-i2s-hifi i2s-hifi-0]
   
4.   Subdevices: 1/1
   
5.   Subdevice #0: subdevice #0
   
6. card 1: rockchiprk809co [rockchip,rk809-codec], device 0: fe410000.i2s-rk817-hifi rk817-hifi-0 [fe410000.i2s-rk817-hifi rk817-hifi-0]
   
7.   Subdevices: 1/1
   
8.   Subdevice #0: subdevice #0
   

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用以下方式播放都没有声音：

1. [root@RK356X:~]# mp3play.sh
   
2. Playing raw data 'stdin' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
   
3. 
   
4. [root@RK356X:~]# minimad < /oem/piano2-CoolEdit.mp3 | aplay -t raw -f S16_LE -c 2 -r 48000 -Dplughw:0,0
   
5. Playing raw data 'stdin' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
   
6. 
   
7. [root@RK356X:~]# minimad < /oem/piano2-CoolEdit.mp3 | aplay -t raw -f S16_LE -c 2 -r 48000 -Dplughw:1,0
   
8. Playing raw data 'stdin' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
   
9. 
   
10. [root@RK356X:~]# aplay -Dplughw:1,0 /etc/bsa_file/8k16bpsStereo.wav
    
11. Playing WAVE '/etc/bsa_file/8k16bpsStereo.wav' : Signed 16 bit Little Endian, Rate 8000 Hz, Stereo
    
12. 
    
13. [root@RK356X:~]# aplay -Dplughw:0,0 /etc/bsa_file/8k16bpsStereo.wav
    
14. Playing WAVE '/etc/bsa_file/8k16bpsStereo.wav' : Signed 16 bit Little Endian, Rate 8000 Hz, Stereo
    

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运行qplayer播放兔子视频也没有声音

Liuth

使用alsamixer把playback_path调到HP

深井蛙

可以了，有声音了。谢谢