[PATCH] i2c: rk3x: fix 0 length write transfers

[Wolfram Sang]

On Wed, Oct 01, 2014 at 10:40:41AM -0700, Alexandru M Stan wrote:
> i2cdetect -q was broken (everything was a false positive, and no transfers were
> actually being sent over i2c). The way it works is by sending a 0 length write
> request and checking for NACK. This patch fixes the 0 length writes and actually
> sends them.
> 
> Reported-by: Doug Anderson <dianders at chromium.org>
> Signed-off-by: Alexandru M Stan <amstan at chromium.org>

Applied to for-current, thanks!

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