diff options
| -rw-r--r-- | driver/tcpm/tcpci.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/driver/tcpm/tcpci.c b/driver/tcpm/tcpci.c index b68feacf83..2ac4cf91f3 100644 --- a/driver/tcpm/tcpci.c +++ b/driver/tcpm/tcpci.c @@ -1060,12 +1060,24 @@ void tcpci_tcpc_alert(int port) if (reg & TCPC_REG_POWER_STATUS_VBUS_DET) board_vbus_present_change(); } + if (alert & TCPC_REG_ALERT_RX_HARD_RST) { /* hard reset received */ + CPRINTS("C%d Hard Reset received", port); pd_execute_hard_reset(port); pd_event |= TASK_EVENT_WAKE; } + /* USB TCPCI Spec R2 V1.1 Section 4.7.3 Step 2 + * + * The TCPC asserts both ALERT.TransmitSOP*MessageSuccessful and + * ALERT.TransmitSOP*MessageFailed regardless of the outcome of the + * transmission and asserts the Alert# pin. + */ + if (alert & TCPC_REG_ALERT_TX_SUCCESS && + alert & TCPC_REG_ALERT_TX_FAILED) + CPRINTS("C%d Hard Reset sent", port); + if (IS_ENABLED(CONFIG_USB_TYPEC_PD_FAST_ROLE_SWAP) && (alert_ext & TCPC_REG_ALERT_EXT_SNK_FRS)) pd_got_frs_signal(port); |