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Add Alt+VolUp+H key combo to hibernate system

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This is needed for testing wake-from-hibernate.

BUG=chrome-os-partner:13680
BRANCH=link (if needed for factory, else none)
TEST=manual

1. Boot system.
2. alt+volup+h.  System hibernates (unless you've got hardware issue 13680)
3. Press power button.  System wakes.

Change-Id: I66e1299a948bffe22c10863a4ffbe5c507e2c5dd
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/32442
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Randall Spangler
2012-09-06 15:02:18 -07:00
committed by Gerrit
parent 212dbaf52d
commit f4ff905027
1 changed files with 6 additions and 0 deletions
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6
chip/lm4/keyboard_scan.c
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@@ -68,6 +68,8 @@ static const uint8_t actual_key_masks[4][KB_COLS] = {
#define MASK_VALUE_LEFT_ALT 0x40
#define MASK_INDEX_KEY_R 3
#define MASK_VALUE_KEY_R 0x80
#define MASK_INDEX_KEY_H 6
#define MASK_VALUE_KEY_H 0x02
static void wait_for_interrupt(void)
{
@@ -163,6 +165,10 @@ static void check_runtime_keys(void)
/* R = reboot */
CPRINTF("[%T KB warm reboot]\n");
x86_power_reset(0);
} else if (raw_state[MASK_INDEX_KEY_H] == MASK_VALUE_KEY_H) {
/* H = hibernate */
CPRINTF("[%T KB hibernate]\n");
system_hibernate(0, 0);
}
}