diff options
| -rw-r--r-- | common/usbc/usb_pe_drp_sm.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/common/usbc/usb_pe_drp_sm.c b/common/usbc/usb_pe_drp_sm.c index 5a8cc632a8..ad955579d0 100644 --- a/common/usbc/usb_pe_drp_sm.c +++ b/common/usbc/usb_pe_drp_sm.c @@ -2068,6 +2068,21 @@ static void pe_src_ready_run(int port) case PD_CTRL_VCONN_SWAP: set_state_pe(port, PE_VCS_EVALUATE_SWAP); return; + /* + * USB PD 3.0 6.8.1: + * Receiving an unexpected message shall be responded + * to with a soft reset message. + */ + case PD_CTRL_ACCEPT: + case PD_CTRL_REJECT: + case PD_CTRL_WAIT: + case PD_CTRL_PS_RDY: + set_state_pe(port, PE_SEND_SOFT_RESET); + return; + /* + * Receiving an unknown or unsupported message + * shall be responded to with a not supported message. + */ default: set_state_pe(port, PE_SEND_NOT_SUPPORTED); return; @@ -2799,6 +2814,21 @@ static void pe_snk_ready_run(int port) case PD_CTRL_NOT_SUPPORTED: /* Do nothing */ break; + /* + * USB PD 3.0 6.8.1: + * Receiving an unexpected message shall be responded + * to with a soft reset message. + */ + case PD_CTRL_ACCEPT: + case PD_CTRL_REJECT: + case PD_CTRL_WAIT: + case PD_CTRL_PS_RDY: + set_state_pe(port, PE_SEND_SOFT_RESET); + return; + /* + * Receiving an unknown or unsupported message + * shall be responded to with a not supported message. + */ default: set_state_pe(port, PE_SEND_NOT_SUPPORTED); return; |