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-rw-r--r--include/usb_charge.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/usb_charge.h b/include/usb_charge.h
index 7a102dac4c..8217b0f52c 100644
--- a/include/usb_charge.h
+++ b/include/usb_charge.h
@@ -183,4 +183,14 @@ static inline int usb_charger_ramp_max(int port, int supplier, int sup_curr)
*/
void usb_charger_reset_charge(int port);
+/**
+ * Check if a particular port is sourcing VBUS
+ *
+ * This function is typically defined in the board file
+ *
+ * @param port port number
+ * @return 0 if not source, non-zero if sourcing
+ */
+int board_is_sourcing_vbus(int port);
+
#endif /* __CROS_EC_USB_CHARGE_H */