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| author | Eric Yilun Lin <yllin@chromium.org> | 2020-12-17 17:17:09 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-12-22 11:25:31 +0000 |
| commit | fbf183f3109d07922fcec6e5a59efaf0788e1962 (patch) | |
| tree | da57fade2644c74f2163c3340c0945e3defda737 | |
| parent | a1a14e23346fb1a42b69f14f05e7cb8debdf5dec (diff) | |
| download | chrome-ec-fbf183f3109d07922fcec6e5a59efaf0788e1962.tar.gz | |
kukui: do not boot AP if low-battery and no charger
BUG=b:134101454
TEST=#define CONFIG_CHARGER_MIN_BAT_PCT_FOR_POWER_ON 96;
at batt 93%, no adapter, powerbtn, stay at G3
at batt 93%, with adapter, powerbtn, boot to S0
at batt 97^, without adapter, powerbtn, boot to S0
BRANCH=kukui
Change-Id: Ib0ee742ccd1f04aaa173a34455c1333853e0ce50
Signed-off-by: Eric Yilun Lin <yllin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2597121
| -rw-r--r-- | power/mt8183.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/power/mt8183.c b/power/mt8183.c index 1bbd06a05f..313116e5b3 100644 --- a/power/mt8183.c +++ b/power/mt8183.c @@ -273,6 +273,7 @@ enum power_state power_handle_state(enum power_state state) * transition to S5, G3. */ static int ap_shutdown; + uint16_t tries = 0; switch (state) { case POWER_G3: @@ -359,6 +360,24 @@ enum power_state power_handle_state(enum power_state state) } #endif + /* + * Allow time for charger to be initialized, in case we're + * trying to boot the AP with no battery. + */ + while (charge_prevent_power_on(0) && + tries++ < CHARGER_INITIALIZED_TRIES) { + msleep(CHARGER_INITIALIZED_DELAY_MS); + } + + /* Return to G3 if battery level is too low. */ + if (charge_want_shutdown() || + tries > CHARGER_INITIALIZED_TRIES) { + CPRINTS("power-up inhibited"); + chipset_force_shutdown( + CHIPSET_SHUTDOWN_BATTERY_INHIBIT); + return POWER_G3; + } + #if CONFIG_CHIPSET_POWER_SEQ_VERSION == 1 hook_call_deferred(&deassert_en_pp1800_s5_l_data, -1); #endif |