diff options
| author | Devn Lu <Devin.lu@quantatw.com> | 2016-03-14 15:23:05 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2016-04-01 00:21:35 -0700 |
| commit | 93be0c3b0ac3ed49d7d1d99c5ace8cd0487de7f5 (patch) | |
| tree | d1862b3dbd160bd2983f1a966047c5830d0f7346 /include/keyboard_raw.h | |
| parent | 55cd6e4c75895c5727ea6fd87b047a39a8730490 (diff) | |
| download | chrome-ec-93be0c3b0ac3ed49d7d1d99c5ace8cd0487de7f5.tar.gz | |
ectool: Support keyboard factory scanning
This is keyboard test mechanism request for "multiple key press test",
we can thru the testing to scan out kso ksi pins shortting or keyboard has
multiple key pressing, below was the testing steps:
1. Turn off internal keyboard scan function.
2. Set all scan & sense pins to input and internal push up.
3. Set start one pin to output low.
4. check other pins status if any sense low level.
5. repeat step 3~4 for all keyboard KSO/KSI pins.
6. Turn on internal keyboard scan function.
BUG=chrome-os-partner:49235
BRANCH=ToT
TEST=manual
Short any KSO or KSI pins and excute "ectool kbfactorytest", it shows failed.
if no pins short together, it shows passed.
Change-Id: Id2c4310d45e892aebc6d2c0795db22eba5a30641
Signed-off-by: Devin Lu <Devin.Lu@quantatw.com>
Reviewed-on: https://chromium-review.googlesource.com/332322
Reviewed-by: Shawn N <shawnn@chromium.org>
Diffstat (limited to 'include/keyboard_raw.h')
| -rw-r--r-- | include/keyboard_raw.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/keyboard_raw.h b/include/keyboard_raw.h index 8591700b47..db13852635 100644 --- a/include/keyboard_raw.h +++ b/include/keyboard_raw.h @@ -71,4 +71,11 @@ void keyboard_raw_gpio_interrupt(enum gpio_signal signal); static inline void keyboard_raw_gpio_interrupt(enum gpio_signal signal) { } #endif /* !HAS_TASK_KEYSCAN */ +/** + * Run keyboard factory test scanning. + * + * @return non-zero if keyboard pins are shorted. + */ +int keyboard_factory_test_scan(void); + #endif /* __CROS_EC_KEYBOARD_RAW_H */ |