求高手指点，着急！！！
dm6446 的开发板 tlv320aic23的codec 2.6.18的内核 移植音频驱动
声卡已注册上,打开声卡设备文件报错
cat /dev/sndstat
Sound Driver:3.8.1a-980706 (ALSA v1.0.12rc1 emulation code)
Kernel: Linux 192.168.1.203 2.6.18_pro500-davinci_evm-arm_v5t_le #1 PREEMPT Fril
Config options: 0
Installed drivers:
Type 10: ALSA emulation
Card config:
DaVinci EVM (tlv320aic23)
Audio devices:
0: tlv320aic23-0 (DUPLEX)
Synth devices: NOT ENABLED IN CONFIG
Midi devices: NOT ENABLED IN CONFIG
Timers:
7: system timer
Mixers:
0: mixer00
root@192.168.1.203:/#
root@192.168.1.203:/# cat /dev/dsp test.wav
asoc: machine hw_params failed
asoc: machine hw_params failed
cat: /dev/dsp: Invalid argument
root@192.168.1.203:/# |
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