[PATCH 05/12] i2c: pxa: Add bus reset functionality
wsa at the-dreams.de
Tue Jun 2 10:33:41 PDT 2015
> Since there is some problematic i2c slave devices on some
> platforms such as dkb (sometimes), it will drop down sda
> and make i2c bus hang, at that time, it need to config
> scl/sda into gpio to simulate "stop" sequence to recover
> i2c bus, so add this interface.
Please note that the i2c core has a bus recovery infrastructure.
Search i2c.h for struct i2c_bus_recovery_info.
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