Re: [Gumstix-users] How to reload i2c

[Dave H. <dhy...@gm...>]

Hi Paul,

On Sat, Jul 19, 2008 at 6:30 PM, plicato <pl...@wi...> wrote:
> If I encounter an I2C error, every subsequent I2C transaction fails in a similar
> way.  Is it possible to reload or restart the I2C driver/module?
>
> ERROR: I2cTransfer: ioctl failed: Connection refused (111)
> ERROR: I2C_IO_WriteReg16: I2cWriteBlockFailed: Connection refused (111)
> ERROR: Error writing to 4800
>
> I know this may sound unusual, but I am finding that if I wait a few minutes
> after reboot before issuing an I2C command, every works fine.  If I do it right
> after reboot, I often see these type of errors.  So I'd like to reset I2C
> somehow rather than have to reboot.  Any suggestions?

rmmod i2c-pxa
rmmod i2c-dev
modprobe i2c-pxa
modprobe i2c-dev

-- 
Dave Hylands
Vancouver, BC, Canada
http://www.DaveHylands.com/