[PATCH] i2c: rk3x: Give the tuning value 0 during rk3x_i2c_v0_calc_timings

[Wolfram Sang]

On Sat, Oct 22, 2016 at 04:43:42PM +0800, David Wu wrote:
> We found a bug that i2c transfer sometimes failed on 3066a board with
> stabel-4.8, the con register would be updated by uninitialized tuning
> value, it made the i2c transfer failed.
> 
> So give the tuning value to be zero during rk3x_i2c_v0_calc_timings.
> 
> Signed-off-by: David Wu <david.wu at rock-chips.com>

Added stable and applied to for-current, thanks!

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