tiny4412 驅動 （16）aplay問題

sound設備：

[root@tiny4412 ]# ls /dev/snd/
controlC0  pcmC0D0p   timer

問題

[root@tiny4412 ]# aplay music.wav
Playing WAVE 'music.wav' : Signed 16 bit Little Endian, Rate 16000 Hz, Mono
aplay: pcm_write:1939: write error: Input/output error

先記錄下。後面再整理。

參考https://blog.csdn.net/w_816_y/article/details/49456837