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| author | Devin Lu <devin.lu@quantatw.com> | 2020-04-16 21:20:11 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-04-17 01:31:25 +0000 |
| commit | d8993c5407e32334cac95d056b0036f399e20b4b (patch) | |
| tree | aec4b4a3ccfb5602fe246aca176c24e71c587b36 /baseboard/zork/baseboard.c | |
| parent | 2f0b41555ceb7737bfd2bc1dd5258394a007da9a (diff) | |
| download | chrome-ec-d8993c5407e32334cac95d056b0036f399e20b4b.tar.gz | |
zork/baseboard: Slow keyboard scan rate
Apply CL:2141372 to zork family.
Slow the keyboard scan rate from 60 us to 80 us. This compensates the
additional delay added to the KBO line by H1.
BUG=b:153470574
BRANCH=none
TEST=make sure defect unit will not output t Key while pressing F3 key.
Change-Id: Ia80dfaf6bd2c693c35185d3009d46f40d8c78e2b
Signed-off-by: Devin Lu <Devin.Lu@quantatw.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2152037
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Diffstat (limited to 'baseboard/zork/baseboard.c')
| -rw-r--r-- | baseboard/zork/baseboard.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/baseboard/zork/baseboard.c b/baseboard/zork/baseboard.c index ba7b55ed19..b55898f5e5 100644 --- a/baseboard/zork/baseboard.c +++ b/baseboard/zork/baseboard.c @@ -373,8 +373,13 @@ void board_set_charge_limit(int port, int supplier, int charge_ma, /* Keyboard scan setting */ struct keyboard_scan_config keyscan_config = { - /* Extra delay when KSO2 is tied to Cr50. */ - .output_settle_us = 60, + /* + * F3 key scan cycle completed but scan input is not + * charging to logic high when EC start scan next + * column for "T" key, so we set .output_settle_us + * to 80us + */ + .output_settle_us = 80, .debounce_down_us = 6 * MSEC, .debounce_up_us = 30 * MSEC, .scan_period_us = 1500, |