Shawn Nematbakhsh 85110d5bcb gpio: i2c: Correctly restore pins after i2cunwedge
Set pins as inputs when going to hi-Z, and restore them to default when
returning to functional.

BUG=chrome-os-partner:45520
TEST=`i2cunwedge` on samus, verify that i2c bus is still functional
BRANCH=None

Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Change-Id: Ie19d4e5afdee7f0b2437afdfaa8175ff77b73c78
Reviewed-on: https://chromium-review.googlesource.com/300785
Commit-Ready: Shawn N <shawnn@chromium.org>
Tested-by: Shawn N <shawnn@chromium.org>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
2015-09-21 11:23:28 -07:00
2015-09-21 01:13:54 -07:00
2015-05-07 00:00:47 +00:00
2015-08-15 01:32:39 +00:00
2015-09-18 01:25:56 -07:00
2012-05-11 09:11:52 -07:00
2014-04-02 19:58:53 +00:00
2014-05-15 05:20:14 +00:00

For an overview of the Embedded Controller firmware, refer to

http://www.chromium.org/chromium-os/2014-firmware-summit
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