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| author | Sue Chen <sue.chen@quanta.corp-partner.google.com> | 2022-06-29 10:09:12 +0800 |
|---|---|---|
| committer | Chromeos LUCI <chromeos-scoped@luci-project-accounts.iam.gserviceaccount.com> | 2022-06-29 18:29:37 +0000 |
| commit | c5d701455db66b2f052d8b09eaa5f7eb76838efd (patch) | |
| tree | 0e672a24672dc22d1dd3b09ddb073943cde7a6ca /board/quackingstick | |
| parent | 34e23e09f9c3334dd7833389da21232a77b6cdd3 (diff) | |
| download | chrome-ec-c5d701455db66b2f052d8b09eaa5f7eb76838efd.tar.gz | |
Quackingstick: Delay 2s on the first power on
Delay 2s on first power on because it was found that the battery
return wrong D-FET status after resume from cut off.
BUG=b:231911921
BRANCH=trogdor
TEST=there's no power loss after the battery resume from cutoff
Signed-off-by: Sue Chen <sue.chen@quanta.corp-partner.google.com>
Change-Id: I1b124023b8dc8a07b40695749ed2493be86c23e0
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3734267
Commit-Queue: Wai-Hong Tam <waihong@google.com>
Reviewed-by: Wai-Hong Tam <waihong@google.com>
Diffstat (limited to 'board/quackingstick')
| -rw-r--r-- | board/quackingstick/board.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/board/quackingstick/board.c b/board/quackingstick/board.c index 0c51a27250..5b2a3a3f0f 100644 --- a/board/quackingstick/board.c +++ b/board/quackingstick/board.c @@ -434,6 +434,22 @@ void board_tcpc_init(void) } DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_I2C + 1); +void board_delay_on_first_power_on(void) +{ + /* + * b/231911921: It's found that the D-FET status is incorrect + * when the battery resume from cut off. The battery needs + * about 2s to ready to discharge so delay 2s before charge + * manager init. + */ + if (system_get_reset_flags() == EC_RESET_FLAG_POWER_ON) { + CPRINTS("Delay 2s on the first power on."); + sleep(2); + } +} +DECLARE_HOOK(HOOK_INIT, board_delay_on_first_power_on, + HOOK_PRIO_INIT_CHARGE_MANAGER - 1); + void board_hibernate(void) { int i; |