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音频编解码器
- 我正在配置音频，i2c,i2s都已经配置好了，并且启动时都可以识别ALSA list,可是在我播放事先保存的wav文件时，系统崩溃了，求解，求帮助，谢谢。
启动log如下：已经可以识别
+++++++++++++++zhouqun aic3x_i2c_probe
[ 1.595245] control_type = SND_SOC_I2C
[ 1.599273] ++++++snd_soc_register_codec:0
[ 1.603698] +++++++++++++++zhouqun aic3x_i2c_probe
[ 1.608795] control_type = SND_SOC_I2C
[ 1.612792] ++++++snd_soc_register_codec:0
[ 1.618621] ++++zhouqun am335x_evm?
[ 1.623077] ++++++++++soc_bind_dai_link
[ 1.627136] ++++++++zhouqun:binding TLV320AIC3X at idx 0
[ 1.633026] +++++++++++++++ aic3x_probe
[ 1.638793] ++++++++++++++aic3x_probe FINISHED
[ 1.646301] +++++zhouqun:evm_aic3x_init
[ 1.651947] asoc: tlv320aic3x-hifi <-> davinci-mcasp.0 mapping ok
[ 1.664703] ALSA device list:
[ 1.667877] #0: AM335X EVM
播放音乐时崩溃log如下：
7777] 9700: df059784 df059710 c0018098 c00412b0 df0582f0 0000000b bf000000 00000008
[ 525.386474] 9720: 65059888 63306131 20643030 64323965 30303864 34326520 30306263 35652034
[ 525.395141] 9740: 31333039 28206332 33313565 34303030 c0002029 c0400e20 c04fd1a8 fffffffc
[ 525.403869] 9760: 00000017 00000000 df059888 fffffffc c0056774 df058000 df05979c df059788
[ 525.412567] 9780: c0400b44 c0017f88 df059888 df02ab80 df0597d4 df0597a0 c001a830 c0400af4
[ 525.421264] 97a0: df0597cc df0597b0 c02137ac 00000017 c001a648 c05be75c fffffffc df059888
[ 525.429962] 97c0: c0056774 df058000 df059884 df0597d8 c00083b0 c001a654 df059804 c05f9ecc
[ 525.438659] 97e0: c0622550 0004d36a c05daa00 0000003c c0622550 c0622550 df05982c df059808
[ 525.447357] 9800: c003e5c0 c0216c74 0000d3a6 0004d3a6 c05daa00 c05daa00 0004d3a6 ffff0000
[ 525.456054] 9820: df059844 df059830 c003e820 c003e548 00000000 0004d3a6 df05987c df059848
[ 525.464752] 9840: c003ebe8 c005b1c8 0004d3a6 00000000 c01cc7d0 df0598c4 df0598c4 00000003
[ 525.473449] 9860: 00000042 c0056770 20000193 ffffffff df0598bc df02a8c0 df0598dc df059888
[ 525.482147] 9880: c0014318 c0008380 df02a8c0 00000000 cb54ff11 00000000 00000000 df058000
[ 525.490875] 98a0: c05da4b0 df02aa18 df02a8c0 c0056774 df058000 df0598dc df0598e0 df0598d0
[ 525.499572] 98c0: c0052b94 c0056770 20000193 ffffffff df0598f4 df0598e0 c0052b94 c005676c
[ 525.508270] 98e0: 00000020 c05da4b0 df05992c df0598f8 c0404908 c0052b8c 00000001 c0404afc
[ 525.516967] 9900: c0056774 0000000b 00000000 df02ab80 00000001 c0056772 c0056774 df058000
[ 525.525634] 9920: df05993c df059930 c0404afc c04046b8 df059974 df059940 c00418c4 c0404ab8
[ 525.534332] 9940: 00000000 df0599ba df058000 c0056772 c0056774 df058000 df059974 df059968
[ 525.543029] 9960: c003e534 00000001 df0599ec df059978 c0018098 c00412b0 df0582f0 0000000b
[ 525.551727] 9980: bf000000 00000008 65059af0 63306131 20643030 64323965 30303864 34326520
[ 525.560424] 99a0: 30306263 35652034 31333039 28206332 33313565 34303030 c0002029 c0400e20
[ 525.569122] 99c0: c04fd1a8 fffffffc 00000017 00000000 df059af0 fffffffc c00384e8 df058000
[ 525.577819] 99e0: df059a04 df0599f0 c0400b44 c0017f88 df059af0 df02ab80 df059a3c df059a08
[ 525.586486] 9a00: c001a830 c0400af4 df059a34 df059a18 c02137ac 00000017 c001a648 c05be75c
[ 525.595184] 9a20: fffffffc df059af0 c00384e8 df058000 df059aec df059a40 c00083b0 c001a654
[ 525.603881] 9a40: df059a6c c05f9ecc c0622550 0004b055 c05daa00 0000003c c0622550 c0622550
[ 525.612609] 9a60: df059a94 df059a70 c003e5c0 c0216c74 0000b091 0004b091 c05daa00 c05daa00
[ 525.621276] 9a80: 0004b091 ffff0000 df059aac df059a98 c003e820 c003e548 00000000 0004b091
[ 525.629974] 9aa0: df059ae4 df059ab0 c003ebe8 c005b1c8 0004b091 00000000 c01cc7d0 df059b2c
[ 525.638671] 9ac0: df059b2c 00000003 00000042 c0056770 20000193 ffffffff df059b24 df02a8c0
[ 525.647369] 9ae0: df059b44 df059af0 c0014318 c0008380 df02a8c0 00000000 cb54ff11 00000000
[ 525.65606
CTRL-A Z for help |115200 8N1 | NOR | Minicom 2.5 | VT102 | Online 00:11
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