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power_button: allow to modify the active level

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On most platforms, the power button is active low,
but the power button on Ryu is active high.
Add CONFIG_POWER_BUTTON_ACTIVE_STATE to override the default active
state.

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>

BRANCH=none
BUG=none
TEST=on Ryu, use the servo pwr_button to start and stop the AP.

Change-Id: I11c6bb3c700bccd3606ce1fa1a69905671792990
Reviewed-on: https://chromium-review.googlesource.com/207274
Reviewed-by: Vic Yang <victoryang@chromium.org>
Tested-by: Vic Yang <victoryang@chromium.org>
Commit-Queue: Vic Yang <victoryang@chromium.org>
This commit is contained in:
Vincent Palatin
2014-07-10 07:31:20 -07:00
committed by chrome-internal-fetch
parent 63429076b3
commit d7cc6d5911
2 changed files with 10 additions and 1 deletions
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3
include/config.h
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@@ -715,6 +715,9 @@
/* Compile common code to support power button debouncing */
#undef CONFIG_POWER_BUTTON
/* Force the active state of the power button : 0(default if unset) or 1 */
#undef CONFIG_POWER_BUTTON_ACTIVE_STATE
/* Allow the power button to send events while the lid is closed */
#undef CONFIG_POWER_BUTTON_IGNORE_LID