I2C，摄像头不启动是怎么回事，log打印如下，新手求助？

Question

 

1. [    0.509226] imx307 1-001a: could not get sleep pinstate
2. [    0.520027] vendor storage:20190527 ret = 0

[    0.544753] mmc_host mmc2: Bus speed (slot 0) = 200000Hz (slot req 200000Hz, actual 200000HZ div = 0)

[    0.588942] mmc_host mmc2: Bus speed (slot 0) = 100000Hz (slot req 100000Hz, actual 100000HZ div = 0)

1. [    1.465509] rk3x-i2c ff540000.i2c: timeout, ipd: 0x00, state: 2
2. [    1.465585] <<GTP-ERR>>[_do_i2c_write:430] I2c transfer error! (-110)

[    1.465626] <<GTP-ERR>>[gt1x_init:2315] Reset guitar failed!

[    1.465649] <<GTP-INF>>[gt1x_reset_guitar:784] GTP RESET!

1. [    1.545910] rk3x-i2c ff510000.i2c: timeout, ipd: 0x00, state: 1

[    1.545992] imx307 1-001a: Unexpected sensor id(000000), ret(-5)

[    1.547092] imx307 1-001a: Dropping the link to regulator.7

[    1.547284] imx307 1-001a: Dropping the link to regulator.12

[    1.547462] imx307 1-001a: Dropping the link to regulator.14

[    1.547563] imx307: probe of 1-001a failed with error -22

Answer 1

I2C适配器有问题，工作异常，I2C启动应该拉高，但是现在拉高出现问题，因此报错timeout