[PATCH] i2c: omap: fix bus recovery setup

[Wolfram Sang]

On Wed, Jul 08, 2015 at 04:35:27PM +0200, Jan Luebbe wrote:
> At least on the AM335x, enabling OMAP_I2C_SYSTEST_ST_EN is not enough to
> allow direct access to the SCL and SDA pins. In addition to ST_EN, we
> need to set the TMODE to 0b11 (Loop back & SDA/SCL IO mode select).
> Also, as the reset values of SCL_O and SDA_O are 0 (which means "drive
> low level"), we need to set them to 1 (which means "high-impedance") to
> avoid unwanted changes on the pins.
> 
> As a precaution, reset all these bits to their default values after
> recovery is complete.
> 
> Signed-off-by: Jan Luebbe <jlu at pengutronix.de>

Applied to for-current, thanks!

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