charge_manager: Classify VBUS supplier type

Add a new supplier type for VBUS chargers (USB chargers which supply VBUS
but are not identified as another charger type).

BUG=chrome-os-partner:37168
TEST=Manual on Samus with subsequent kernel commit. Modify code to
reject all non-VBUS suppliers, charge with SDP port, and verify charge
icon appears in OS.
BRANCH=Samus

Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Change-Id: I5fbdb1cb57bd0224b01aaf5a763f93b678b6d204
Reviewed-on: https://chromium-review.googlesource.com/254346
Reviewed-by: Alec Berg <alecaberg@chromium.org>
diff --git a/common/charge_manager.c b/common/charge_manager.c
index b464c8b..83b0582d 100644
--- a/common/charge_manager.c
+++ b/common/charge_manager.c
@@ -183,6 +183,9 @@
 		case CHARGE_SUPPLIER_BC12_SDP:
 			r->type = USB_CHG_TYPE_BC12_SDP;
 			break;
+		case CHARGE_SUPPLIER_VBUS:
+			r->type = USB_CHG_TYPE_VBUS;
+			break;
 		default:
 			r->type = USB_CHG_TYPE_OTHER;
 		}
diff --git a/include/ec_commands.h b/include/ec_commands.h
index c03a55a..33e880b 100644
--- a/include/ec_commands.h
+++ b/include/ec_commands.h
@@ -2780,7 +2780,8 @@
 	USB_CHG_TYPE_BC12_DCP,
 	USB_CHG_TYPE_BC12_CDP,
 	USB_CHG_TYPE_BC12_SDP,
-	USB_CHG_TYPE_OTHER
+	USB_CHG_TYPE_OTHER,
+	USB_CHG_TYPE_VBUS,
 };
 enum usb_power_roles {
 	USB_PD_PORT_POWER_DISCONNECTED,
diff --git a/util/ectool.c b/util/ectool.c
index ed47877..cd30800 100644
--- a/util/ectool.c
+++ b/util/ectool.c
@@ -3203,6 +3203,9 @@
 	case USB_CHG_TYPE_OTHER:
 		printf(" Other");
 		break;
+	case USB_CHG_TYPE_VBUS:
+		printf(" VBUS");
+		break;
 	}
 	printf(" %dmV max %dmV / %dmA",
 		r->meas.voltage_now, r->meas.voltage_max, r->meas.current_max);