+int ulpi_set_vbus_indicator(struct ulpi_viewport *ulpi_vp, int external,
+ int passthu, int complement)
+{
+ u32 flags, val;
+ u8 *reg;
+
+ reg = external ? &ulpi->otg_ctrl_set : &ulpi->otg_ctrl_clear;
+ val = ulpi_write(ulpi_vp, reg, ULPI_OTG_EXTVBUSIND);
+ if (val)
+ return val;
+
+ flags = passthu ? ULPI_IFACE_PASSTHRU : 0;
+ flags |= complement ? ULPI_IFACE_EXTVBUS_COMPLEMENT : 0;
+
+ val = ulpi_read(ulpi_vp, &ulpi->iface_ctrl);
+ if (val == ULPI_ERROR)
+ return val;
+
+ val = val & ~(ULPI_IFACE_PASSTHRU & ULPI_IFACE_EXTVBUS_COMPLEMENT);
+ val |= flags;
+ val = ulpi_write(ulpi_vp, &ulpi->iface_ctrl, val);
+ if (val)
+ return val;
+
+ return 0;
+}
+