diff options
| -rw-r--r-- | board/samus/extpower.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/board/samus/extpower.c b/board/samus/extpower.c index 19f4a5d5ff..c0b5283777 100644 --- a/board/samus/extpower.c +++ b/board/samus/extpower.c @@ -35,6 +35,9 @@ static int bkboost_detected; /* Charging is disabled */ static int charge_is_disabled; +/* Extpower task has been initialized */ +static int extpower_task_initialized; + /* * Charge circuit occasionally gets wedged and doesn't charge. * This variable keeps track of the state of the circuit. @@ -70,10 +73,12 @@ DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, extpower_shutdown, HOOK_PRIO_DEFAULT); void extpower_interrupt(enum gpio_signal signal) { + /* Trigger notification of external power change */ extpower_buffer_to_pch(); - /* Trigger notification of external power change */ - task_wake(TASK_ID_EXTPOWER); + /* Wake extpower task only if task has been initialized */ + if (extpower_task_initialized) + task_wake(TASK_ID_EXTPOWER); } static void extpower_init(void) @@ -369,6 +374,7 @@ void extpower_task(void) extpower_board_hacks(extpower, extpower_prev); extpower_prev = extpower; + extpower_task_initialized = 1; /* Enable backboost detection interrupt */ gpio_enable_interrupt(GPIO_BKBOOST_DET); |