diff options
| -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 |