diff options
| -rw-r--r-- | common/usbc/usb_prl_sm.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/common/usbc/usb_prl_sm.c b/common/usbc/usb_prl_sm.c index 9a78b59474..a295d61d31 100644 --- a/common/usbc/usb_prl_sm.c +++ b/common/usbc/usb_prl_sm.c @@ -495,7 +495,7 @@ static void prl_tx_wait_for_message_request_run(const int port) (PRL_FLAGS_START_AMS | PRL_FLAGS_END_AMS))) { if (tc_get_power_role(port) == PD_ROLE_SOURCE) { /* - * Start of AMS notification received from + * Start of SRC AMS notification received from * Policy Engine */ if (PRL_TX_CHK_FLAG(port, PRL_FLAGS_START_AMS)) { @@ -504,18 +504,22 @@ static void prl_tx_wait_for_message_request_run(const int port) return; } /* - * End of AMS notification received from + * End of SRC AMS notification received from * Policy Engine */ else if (PRL_TX_CHK_FLAG(port, PRL_FLAGS_END_AMS)) { - PRL_TX_CLR_FLAG(port, PRL_FLAGS_END_AMS); /* Set Rp = SinkTxOk */ tcpm_select_rp_value(port, SINK_TX_OK); tcpm_set_cc(port, TYPEC_CC_RP); prl_tx[port].retry_counter = 0; + /* PRL_FLAGS_END AMS is cleared here */ prl_tx[port].flags = 0; } } else { + /* + * Start of SNK AMS notification received from + * Policy Engine + */ if (PRL_TX_CHK_FLAG(port, PRL_FLAGS_START_AMS)) { PRL_TX_CLR_FLAG(port, PRL_FLAGS_START_AMS); /* @@ -525,6 +529,16 @@ static void prl_tx_wait_for_message_request_run(const int port) set_state_prl_tx(port, PRL_TX_SNK_START_AMS); return; } + /* + * End of SNK AMS notification received from + * Policy Engine + */ + else if (PRL_TX_CHK_FLAG(port, PRL_FLAGS_END_AMS)) { + prl_tx[port].retry_counter = 0; + /* PRL_FLAGS_END AMS is cleared here */ + prl_tx[port].flags = 0; + } + } } else if (PRL_TX_CHK_FLAG(port, PRL_FLAGS_MSG_XMIT)) { PRL_TX_CLR_FLAG(port, PRL_FLAGS_MSG_XMIT); |