diff options
| -rw-r--r-- | board/cr50/ap_state.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/board/cr50/ap_state.c b/board/cr50/ap_state.c index e9ddea5640..5bf764ec7c 100644 --- a/board/cr50/ap_state.c +++ b/board/cr50/ap_state.c @@ -181,6 +181,14 @@ static void ap_detect(void) } return; + } else if (!board_detect_ap_with_tpm_rst()) { + /* + * If the signal is low, cr50 will enter the debouncing state or + * off. Either way, cr50 is waiting for the signal to go high. + * Reenable the interrupt, so cr50 can immediately detect it + * instead of relying on the 1s polling. + */ + gpio_enable_interrupt(GPIO_DETECT_AP); } /* AP wasn't detected. If we're already off, done. */ @@ -204,9 +212,5 @@ static void ap_detect(void) set_state(DEVICE_STATE_INIT_DEBOUNCING); else set_state(DEVICE_STATE_DEBOUNCING); - - /* If we're using AP UART RX for detect, enable its interrupt */ - if (!board_detect_ap_with_tpm_rst()) - gpio_enable_interrupt(GPIO_DETECT_AP); } DECLARE_HOOK(HOOK_SECOND, ap_detect, HOOK_PRIO_DEFAULT); |