root@imx93frdm:~/test/tac5212# i2cdump -f 4 0x51 No size specified (using byte-data access) WARNING! This program can confuse your I2C bus, cause data loss and worse! I will probe file /dev/i2c-4, address 0x51, mode byte Continue? [Y/n] y 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef 00: 00 00 00 00 00 15 f0 00 00 00 40 10 00 00 00 00 .....??...@?.... 10: 51 80 00 00 00 00 00 00 40 00 40 00 00 00 00 10 Q?......@.@....? 20: 02 03 04 05 06 27 00 00 20 30 30 30 04 65 66 67 ?????'.. 000?efg 30: 00 00 00 00 40 c0 00 20 00 00 00 00 00 00 00 00 ....@?. ........ 40: 00 00 11 54 00 00 00 00 00 00 00 00 2e 0c 00 00 ..?T.........?.. 50: 04 00 f0 f0 f0 04 00 f0 f0 f0 00 f0 f0 f0 00 f0 ?.????.???.???.? 60: f0 f0 00 00 20 48 08 f1 b0 f1 b0 20 48 08 f5 c0 ??.. H????? H??? 70: f4 c0 18 98 00 00 00 e0 00 00 80 00 c0 10 f1 00 ????...?..?.???. 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ e0: 00 00 00 00 00 00 00 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@imx93frdm:~/test/tac5212# ./osc 2 440 48000 10 S16LE 1024 hw:0,0,0 osc formats: S16LE, S24LE, S32LE frames is number of frames per pcm write transaction blocks is the number of pcm transfers (based on the requested duration) channels=2 frequency=440.000, rate=48000, duration=10, format=S16LE, frames=1024 using device hw:0,0,0 Format is 16 bits root@imx93frdm:~/test/tac5212# i2cdump -f 4 0x51 No size specified (using byte-data access) WARNING! This program can confuse your I2C bus, cause data loss and worse! I will probe file /dev/i2c-4, address 0x51, mode byte Continue? [Y/n] y 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef 00: 00 00 00 00 00 15 f0 00 00 00 40 10 00 00 00 00 .....??...@?.... 10: 51 80 00 00 00 00 00 00 40 00 40 00 00 00 00 10 Q?......@.@....? 20: 02 03 04 05 06 27 00 00 20 30 30 30 04 65 66 67 ?????'.. 000?efg 30: 00 00 00 00 40 c0 00 20 00 00 00 00 00 00 00 00 ....@?. ........ 40: 00 00 11 54 00 00 00 00 00 00 00 00 2e 0c 00 00 ..?T.........?.. 50: 04 00 f0 f0 f0 04 00 f0 f0 f0 00 f0 f0 f0 00 f0 ?.????.???.???.? 60: f0 f0 00 00 20 88 08 f1 b0 f1 b0 20 88 08 f5 c0 ??.. ?????? ???? 70: f4 c0 18 98 00 00 00 e0 00 00 80 00 c0 10 cb 00 ????...?..?.???. 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ e0: 00 00 00 00 00 00 00 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@imx93frdm:~/test/tac5212#