[RK3288][Android6.0] 调试笔记 --- 如何确认声卡是否注册成功【转】

本文转载自：http://blog.csdn.net/kris_fei/article/details/78399875

Platform: RK3288 
OS: Android 6.0 
Kernel: 3.10.92

方法一：

root@rk3288:/proc/asound/card0 # cat /proc/asound/cards 
0 [RKRT5631 ]: RK_RT5631 - RK_RT5631 
RK_RT5631

方法二：

root@rk3288:/data # ls -l /dev/snd/* 
crw-rw—- system audio 116, 0 2017-01-05 03:13 controlC0 
crw-rw—- system audio 116, 24 2017-01-05 03:13 pcmC0D0c 
crw-rw—- system audio 116, 16 2017-01-05 03:13 pcmC0D0p 
crw-rw—- system audio 116, 33 2017-01-05 03:13 timer

方法三： 
开机log

[ 2.239671] ALSA device list: 
[ 2.239682] #0: RK_RT5631