i2c-parport: Fix a minor race on driver unload

When unloading the driver, we really want to unregister the i2c adapter
before we power it off, rather than the other way around.

Also speed up the bus a bit when we can sense SCL. The slaves will
stretch the line as needed.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
1 file changed