How to use the same clock for two i2s-slave in tegra TX2?

Autonomous Machines Jetson & Embedded Systems Jetson TX2
21

Thanks for your response
Sorry for the delay, I attached the log for the above commands.

Simple mixer control 'ADMAIF1 Mux',0
  Capabilities: enum
  Items: 'None' 'ADMAIF1' 'ADMAIF2' 'ADMAIF3' 'ADMAIF4' 'ADMAIF5' 'ADMAIF6' 'ADMAIF7' 'ADMAIF8' 'ADMAIF9' 'ADMAIF10' 'ADMAIF11' 'ADMAIF12' 'ADMA'
  Item0: 'I2S1'
Simple mixer control 'ADMAIF2 Mux',0
  Capabilities: enum
  Items: 'None' 'ADMAIF1' 'ADMAIF2' 'ADMAIF3' 'ADMAIF4' 'ADMAIF5' 'ADMAIF6' 'ADMAIF7' 'ADMAIF8' 'ADMAIF9' 'ADMAIF10' 'ADMAIF11' 'ADMAIF12' 'ADMA'
  Item0: 'I2S2'
Recording WAVE 'i2s1.wav' : Signed 32 bit Little Endian, Rate 48000 Hz, Stereo
Recording WAVE 'i2s2.wav' : Signed 32 bit Little Endian, Rate 48000 Hz, Stereo
00: 00000000
04: 00000000
0c: 00000002
10: 00000000
14: 00000003
18: 00000000
1c: 00000000
20: 03113300
24: 00000100
28: 00000000
2c: 00000000
34: 00000000
40: 00000001
44: 00000000
4c: 00000001
50: 00000000
54: 00000003
58: 00000000
5c: 00000000
60: 03117700
64: 00000100
68: 00000000
6c: 00000000
74: 00000000
80: 00000001
84: 00000000
88: 00000001
8c: 00000000
90: 00000000
a0: 1f000407
a4: 0000001f
a8: 00000000
ac: 00000000
b0: 00000000
cat: /sys/kernel/debug/regmap/tegra210-i2s.1/registerS: No such file or directory

After the execution this log came in the terminal:

arecord: pcm_read:2032: read error: Input/output error
22

Thanks, but the 2nd set of registers were not dumped. Looks like a typo in the above.

Regards,
Jon

23

Hi reshwanth.r,

how do you solve this error? I met it too.

My quesion URL is
https://devtalk.nvidia.com/default/topic/1065636/jetson-tx2/i2s0-aplay-okay-but-i2s1-arecord-failed-/post/5396593/#5396593