root@dm814x:~# i2cdump -f -y 1 0x18 No size specified (using byte-data access) 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef 00: 00 00 00 12 1c 36 b0 8a c0 40 00 01 00 00 00 20 ...??6???@.?... 10: 20 ff ff 00 78 78 00 78 78 46 00 fe 00 00 fe 00 ...xx.xxF.?..?. 20: 00 00 00 00 44 00 00 00 00 00 00 00 00 2f 2f af ....D........//? 30: 00 00 00 0c 2f 2f af 00 00 00 0c 00 00 00 2f 2f ...?//?...?...// 40: af 0c 00 00 00 2f 2f af 0c 2f 2f af 2f 2f af 08 ??...//??//?//?? 50: 2f 2f af 00 00 00 08 00 00 00 2f 2f af 08 00 00 //?...?...//??.. 60: 00 00 00 00 00 00 02 00 00 00 00 00 00 00 00 00 ......?......... 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 80: 00 00 00 12 1c 36 b0 8a c0 40 00 01 00 00 00 20 ...??6???@.?... 90: 20 ff ff 00 78 78 00 78 78 46 00 fe 00 00 fe 00 ...xx.xxF.?..?. a0: 00 00 00 00 44 00 00 00 00 00 00 00 00 2f 2f af ....D........//? b0: 00 00 00 0c 2f 2f af 00 00 00 0c 00 00 00 2f 2f ...?//?...?...// c0: af 0c 00 00 00 2f 2f af 0c 2f 2f af 2f 2f af 08 ??...//??//?//?? d0: 2f 2f af 00 00 00 08 00 00 00 2f 2f af 08 00 00 //?...?...//??.. e0: 00 00 00 00 00 00 02 00 00 00 00 00 00 00 00 00 ......?......... f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ root@dm814x:~# i2cset -f -y 1 0x18 19 0x04 w root@dm814x:~# i2cdump -f -y 1 0x18 No size specified (using byte-data access) 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef 00: 00 00 00 12 1c 36 b0 8a c0 40 00 01 00 00 00 20 ...??6???@.?... 10: 20 ff ff 04 00 78 00 78 78 46 00 fe 00 00 fe 00 ..?.x.xxF.?..?. 20: 00 00 00 00 44 00 00 00 00 00 00 00 00 2f 2f af ....D........//? 30: 00 00 00 0c 2f 2f af 00 00 00 0c 00 00 00 2f 2f ...?//?...?...// 40: af 0c 00 00 00 2f 2f af 0c 2f 2f af 2f 2f af 08 ??...//??//?//?? 50: 2f 2f af 00 00 00 08 00 00 00 2f 2f af 08 00 00 //?...?...//??.. 60: 00 00 00 00 00 00 02 00 00 00 00 00 00 00 00 00 ......?......... 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 80: 00 00 00 12 1c 36 b0 8a c0 40 00 01 00 00 00 20 ...??6???@.?... 90: 20 ff ff 04 00 78 00 78 78 46 00 fe 00 00 fe 00 ..?.x.xxF.?..?. a0: 00 00 00 00 44 00 00 00 00 00 00 00 00 2f 2f af ....D........//? b0: 00 00 00 0c 2f 2f af 00 00 00 0c 00 00 00 2f 2f ...?//?...?...// c0: af 0c 00 00 00 2f 2f af 0c 2f 2f af 2f 2f af 08 ??...//??//?//?? d0: 2f 2f af 00 00 00 08 00 00 00 2f 2f af 08 00 00 //?...?...//??.. e0: 00 00 00 00 00 00 02 00 00 00 00 00 00 00 00 00 ......?......... f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ root@dm814x:~# i2cset -f -y 1 0x18 22 0x04 w root@dm814x:~# i2cdump -f -y 1 0x18 No size specified (using byte-data access) 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef 00: 00 00 00 12 1c 36 b0 8a c0 40 00 01 00 00 00 20 ...??6???@.?... 10: 20 ff ff 04 00 78 04 00 78 46 00 fe 00 00 fe 00 ..?.x?.xF.?..?. 20: 00 00 00 00 44 00 00 00 00 00 00 00 00 2f 2f af ....D........//? 30: 00 00 00 0c 2f 2f af 00 00 00 0c 00 00 00 2f 2f ...?//?...?...// 40: af 0c 00 00 00 2f 2f af 0c 2f 2f af 2f 2f af 08 ??...//??//?//?? 50: 2f 2f af 00 00 00 08 00 00 00 2f 2f af 08 00 00 //?...?...//??.. 60: 00 00 00 00 00 00 02 00 00 00 00 00 00 00 00 00 ......?......... 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 80: 00 00 00 12 1c 36 b0 8a c0 40 00 01 00 00 00 20 ...??6???@.?... 90: 20 ff ff 04 00 78 04 00 78 46 00 fe 00 00 fe 00 ..?.x?.xF.?..?. a0: 00 00 00 00 44 00 00 00 00 00 00 00 00 2f 2f af ....D........//? b0: 00 00 00 0c 2f 2f af 00 00 00 0c 00 00 00 2f 2f ...?//?...?...// c0: af 0c 00 00 00 2f 2f af 0c 2f 2f af 2f 2f af 08 ??...//??//?//?? d0: 2f 2f af 00 00 00 08 00 00 00 2f 2f af 08 00 00 //?...?...//??.. e0: 00 00 00 00 00 00 02 00 00 00 00 00 00 00 00 00 ......?......... f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ root@dm814x:~# arecord -f cd -D hw:0,0 -d 30 -t wav nov14.wav Recording WAVE 'nov14.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo sudha: aic3x_set_bias_level : 3 overrun!!! (at least 88.763 ms long) root@dm814x:~# i2cdump -f -y 1 0x18 No size specified (using byte-data access) 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef 00: 00 00 00 12 1c 36 b0 8a c0 40 00 01 00 00 00 20 ...??6???@.?... 10: 20 ff ff 00 78 78 00 78 78 46 00 fe 00 00 fe 00 ...xx.xxF.?..?. 20: 00 00 00 00 44 00 00 00 00 00 00 00 00 2f 2f af ....D........//? 30: 00 00 00 0c 2f 2f af 00 00 00 0c 00 00 00 2f 2f ...?//?...?...// 40: af 0c 00 00 00 2f 2f af 0c 2f 2f af 2f 2f af 08 ??...//??//?//?? 50: 2f 2f af 00 00 00 08 00 00 00 2f 2f af 08 00 00 //?...?...//??.. 60: 00 00 00 00 00 00 02 00 00 00 00 00 00 00 00 00 ......?......... 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 80: 00 00 00 12 1c 36 b0 8a c0 40 00 01 00 00 00 20 ...??6???@.?... 90: 20 ff ff 00 78 78 00 78 78 46 00 fe 00 00 fe 00 ...xx.xxF.?..?. a0: 00 00 00 00 44 00 00 00 00 00 00 00 00 2f 2f af ....D........//? b0: 00 00 00 0c 2f 2f af 00 00 00 0c 00 00 00 2f 2f ...?//?...?...// c0: af 0c 00 00 00 2f 2f af 0c 2f 2f af 2f 2f af 08 ??...//??//?//?? d0: 2f 2f af 00 00 00 08 00 00 00 2f 2f af 08 00 00 //?...?...//??.. e0: 00 00 00 00 00 00 02 00 00 00 00 00 00 00 00 00 ......?......... f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ root@dm814x:~#