diff options
| author | Vic Yang <victoryang@chromium.org> | 2013-04-24 15:37:53 +0800 |
|---|---|---|
| committer | ChromeBot <chrome-bot@google.com> | 2013-04-24 20:30:15 -0700 |
| commit | d13318a1eab569cea44b087a785803cca682c3d4 (patch) | |
| tree | ef95df59fd97a289a2fc3cd5d7e22ca683121a12 | |
| parent | 4e0d75d952d3f38925d634dd4a05459cac0a600f (diff) | |
| download | chrome-ec-d13318a1eab569cea44b087a785803cca682c3d4.tar.gz | |
spring: Disable keyboard when lid is closed
When lid is closed, any key press is very likely bogus. Let's disable
keyboard in this case.
BUG=chrome-os-partner:17653
TEST=Check keyboard still works. Use a magnet to suspend the system, and
check any keypress is discarded.
BRANCH=spring
Change-Id: I24d40059b851f020ff1f93fe3282e955eeb0e526
Signed-off-by: Vic Yang <victoryang@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/49034
Reviewed-by: Randall Spangler <rspangler@chromium.org>
| -rw-r--r-- | chip/stm32/keyboard_scan.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/chip/stm32/keyboard_scan.c b/chip/stm32/keyboard_scan.c index 03ae1e790c..2c35a59eb6 100644 --- a/chip/stm32/keyboard_scan.c +++ b/chip/stm32/keyboard_scan.c @@ -463,7 +463,8 @@ static int check_keys_changed(uint8_t *state) /* Swallow special keys */ if (check_runtime_keys(state)) return 0; - else if (kb_fifo_add(state) == EC_SUCCESS) + else if (gpio_get_level(GPIO_LID_OPEN) && + kb_fifo_add(state) == EC_SUCCESS) board_interrupt_host(1); else CPRINTF("dropped keystroke\n"); |