diff options
Diffstat (limited to 'driver/tcpm/tcpci.c')
| -rw-r--r-- | driver/tcpm/tcpci.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/driver/tcpm/tcpci.c b/driver/tcpm/tcpci.c index 5af5fe0151..fd6a5906a5 100644 --- a/driver/tcpm/tcpci.c +++ b/driver/tcpm/tcpci.c @@ -100,7 +100,14 @@ STATIC_IF(DEBUG_GET_CC) * Last reported VBus Level * * BIT(VBUS_SAFE0V) will indicate if in SAFE0V - * BIT(VBUS_PRESENT) will indicate if in PRESENT + * BIT(VBUS_PRESENT) will indicate if in PRESENT in the TCPCI POWER_STATUS + * + * Note that VBUS_REMOVED cannot be distinguished from !VBUS_PRESENT with + * this interface, but the trigger thresholds for Vbus Present should allow the + * same bit to be used safely for both. + * + * TODO(b/149530538): Some TCPCs may be able to implement + * VBUS_SINK_DISCONNECT_THRESHOLD to support vSinkDisconnectPD */ static int tcpc_vbus[CONFIG_USB_PD_PORT_MAX_COUNT]; @@ -718,8 +725,10 @@ bool tcpci_tcpm_check_vbus_level(int port, enum vbus_level level) { if (level == VBUS_SAFE0V) return !!(tcpc_vbus[port] & BIT(VBUS_SAFE0V)); - else + else if (level == VBUS_PRESENT) return !!(tcpc_vbus[port] & BIT(VBUS_PRESENT)); + else + return !(tcpc_vbus[port] & BIT(VBUS_PRESENT)); } #endif |