Problems with I2C driver testing

Source: Internet
Author: User
The I2C driver test has a problem. for details, refer to Linux general technology-Linux programming and kernel information. Why ~~~~~~~~~
My board is TQ2440. The I2C test is OK during streaking.
After running the system and testing I2C, the following prompt appears:

S3c2440-i2c s3c2440-i2c: cannot get bus (error-110)
S3c2440-i2c s3c2440-i2c: cannot get bus (error-110)

Some people say that the pull resistance of I2C is changed from 10 kB to 1 kb. I can't try it.
According to the days embedded tutorial
After the development board is started, enter the serial port console of the Development Board, enter the command: $ vi/etc/init. d/rcS, and then use the "#" screen
Obtain the statement for loading the OV9650 Driver # insmod/lib/ov9650.ko
But after vi/etc/init. d/rcS, the file is empty. what should I do ?? The experts enlightened me.
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