diff options
| -rw-r--r-- | common/usbc/usb_tc_drp_acc_trysrc_sm.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/common/usbc/usb_tc_drp_acc_trysrc_sm.c b/common/usbc/usb_tc_drp_acc_trysrc_sm.c index 3b310c012e..6a1c452090 100644 --- a/common/usbc/usb_tc_drp_acc_trysrc_sm.c +++ b/common/usbc/usb_tc_drp_acc_trysrc_sm.c @@ -1699,8 +1699,10 @@ static void tc_attach_wait_snk_run(const int port) } /* - * A DRP shall transition to Unattached.SNK when the state of both - * the CC1 and CC2 pins is SNK.Open for at least tPDDebounce. + * A DRP shall transition to Unattached.SRC when the state of both + * the CC1 and CC2 pins is SNK.Open for at least tPDDebounce, however + * when DRP state is PD_DRP_FORCE_SINK the next state should be + * Unattached.SNK. */ if (new_cc_state == PD_CC_NONE && get_time().val > tc[port].pd_debounce) { @@ -1710,7 +1712,10 @@ static void tc_attach_wait_snk_run(const int port) } /* We are detached */ - set_state_tc(port, TC_UNATTACHED_SRC); + if (drp_state[port] == PD_DRP_FORCE_SINK) + set_state_tc(port, TC_UNATTACHED_SNK); + else + set_state_tc(port, TC_UNATTACHED_SRC); return; } |