Furquan Shaikh 98dc270b23 power_button_x86: Save and restore power button pulse setting
This change ensures that the power button pulse setting is saved and
restored across a sysjump. It uses the SYSJUMP_TAG "PB" (0x5042).

BUG=b:62445190
BRANCH=None
TEST=The condition mentioned in the bug could be reproduced using
following steps:
1. reboot on EC console
2. Use Vup/Vdn to select any option other than Power off.
3. Press power button

After step #3 above, device would shut down instead of selecting the
option. Verified that with this change, the device does not power off
anymore at step #3.

Change-Id: Icebe9c17d39a82fc3854dd75cc3a1dea032a234a
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/533921
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
2017-06-14 01:19:33 -07:00
2017-06-14 04:34:31 +00:00
2017-06-06 17:09:28 -07:00
2017-06-08 16:39:37 -07:00
2012-05-11 09:11:52 -07:00
2014-04-02 19:58:53 +00:00
2015-12-08 20:05:05 -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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