diff options
Diffstat (limited to 'common/usb_pd_protocol.c')
| -rw-r--r-- | common/usb_pd_protocol.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/common/usb_pd_protocol.c b/common/usb_pd_protocol.c index ccfeb944e6..f58bdda679 100644 --- a/common/usb_pd_protocol.c +++ b/common/usb_pd_protocol.c @@ -1216,6 +1216,17 @@ void pd_execute_hard_reset(int port) CHARGE_CEIL_NONE); #endif /* CONFIG_CHARGE_MANAGER */ +#ifdef CONFIG_USBC_VCONN + /* + * Sink must turn off Vconn after a hard reset if it was being + * sourced previously + */ + if (pd[port].flags & PD_FLAGS_VCONN_ON) { + set_vconn(port, 0); + pd[port].flags &= ~PD_FLAGS_VCONN_ON; + } +#endif + set_state(port, PD_STATE_SNK_HARD_RESET_RECOVER); return; } @@ -1224,6 +1235,9 @@ void pd_execute_hard_reset(int port) /* We are a source, cut power */ pd_power_supply_reset(port); pd[port].src_recover = get_time().val + PD_T_SRC_RECOVER; +#ifdef CONFIG_USBC_VCONN + set_vconn(port, 0); +#endif set_state(port, PD_STATE_SRC_HARD_RESET_RECOVER); } @@ -2976,6 +2990,15 @@ void pd_task(void *u) break; } +#ifdef CONFIG_USBC_VCONN + /* + * Start sourcing Vconn again and set the flag, in case + * it was 0 due to a previous swap + */ + set_vconn(port, 1); + pd[port].flags |= PD_FLAGS_VCONN_ON; +#endif + /* Enable VBUS */ timeout = 10*MSEC; if (pd_set_power_supply_ready(port)) { |