tree 3697b37ca9cb4702741d78aa7f10e556245966ba
parent 2806e6ad77c71dd2538cb698aad476e8cf3af004
author Wolfram Sang <wsa+renesas@sang-engineering.com> 1515506339 +0100
committer Wolfram Sang <wsa@the-dreams.de> 1516057488 +0100

i2c: rcar: implement bus recovery

We can force levels of SCL and SDA, so we can use that for bus recovery.
Note that we cannot read SDA back, because we will only get the internal
state of the bus free detection.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>