diff options
author | Randall Spangler <rspangler@chromium.org> | 2013-04-23 17:02:07 -0700 |
---|---|---|
committer | ChromeBot <chrome-bot@google.com> | 2013-04-25 17:03:18 -0700 |
commit | 45bc5c1a2135eaae05978d371cff17fb810b9951 (patch) | |
tree | 38d71db1f356c86e37bbadedd384d000a329dfaf /include/hooks.h | |
parent | b4b2c6ae7026569b21749dab563114f95d4c7396 (diff) | |
download | chrome-ec-45bc5c1a2135eaae05978d371cff17fb810b9951.tar.gz |
Split out power button code from switch.c
The power button code is platform-independent. This change splits the
code out of the LM4 switch.c module so that a subseqent change to
STM32 platforms can start using it.
BUG=chrome-os-partner:18945
BRANCH=none
TEST=manual
1. Power+refresh+esc goes to recovery mode,
2. Press power button at recovery screen turns off.
3. With system off, power button turns system on.
4. Press power button for a second; screen locks.
5. Press power button while typing; blocks keystrokes while it's pressed.
6. Hold power button down for 8 sec; system forced to shutdown.
7. From EC console, with system on:
hostevent clear
hostevent -> event 0x04 is clear
press power button
hostevent -> event 0x04 is set
8. From EC console, with system off:
powerbtn -> system turns on
powerbtn 5000 -> system turns off, just like power button was held for 5 sec
Change-Id: If2a9b02514a201e1d03c857d128e2ccab51a16ef
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/49217
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
Diffstat (limited to 'include/hooks.h')
-rw-r--r-- | include/hooks.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/hooks.h b/include/hooks.h index 084e9bb36b..59f982eaee 100644 --- a/include/hooks.h +++ b/include/hooks.h @@ -25,6 +25,8 @@ enum hook_priority { HOOK_PRIO_INIT_CHIPSET = HOOK_PRIO_FIRST + 2, /* Lid switch inits before power button */ HOOK_PRIO_INIT_LID = HOOK_PRIO_FIRST + 3, + /* Power button inits before chipset and switch */ + HOOK_PRIO_INIT_POWER_BUTTON = HOOK_PRIO_FIRST + 4, }; enum hook_type { @@ -106,6 +108,14 @@ enum hook_type { HOOK_LID_CHANGE, /* + * Power button pressed or released. Based on debounced power button + * state, not raw GPIO input. + * + * Hook routines are called from the chipset task. + */ + HOOK_POWER_BUTTON_CHANGE, + + /* * Periodic tick, every HOOK_TICK_INTERVAL. * * Hook routines will be called from the TICK task. |