Stefan Adolfsson 1ddb719bd0 npcx: CEC: Add resend-logic to CEC driver
According to the CEC specification, a resend must be
attempted at least once and up to five times after NAK.
This fix does it five times.

Signed-off-by: Stefan Adolfsson <sadolfsson@chromium.org>

BUG=b:76467407
BRANCH=none
TEST=Write CEC message without sink. Verify with logical
analyzer that it resends 5 times.
CQ-DEPEND=CL:1030221

Change-Id: Id296e12b6657b9e7ca0453a2deb06e8aaf17f839
Reviewed-on: https://chromium-review.googlesource.com/1030222
Commit-Ready: Stefan Adolfsson <sadolfsson@chromium.org>
Tested-by: Stefan Adolfsson <sadolfsson@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
2018-05-11 09:30:31 -07:00
2017-08-07 19:29:13 -07:00
2017-07-08 20:38:53 -07:00
2017-10-10 22:13:43 -07:00
2018-05-10 15:10:16 -07:00
2018-05-10 02:27:07 -07:00
2018-05-02 22:20:48 -07:00
2012-05-11 09:11:52 -07:00
2014-04-02 19:58:53 +00:00
2018-05-02 22:21:09 -07:00
2017-11-16 21:07:40 -08:00

For an overview of the Embedded Controller firmware, refer to

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

For instructions on building from source, refer to

http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly
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