35 	struct regulator *vbus;  member
50  * "DEVICE" = VBUS and "HOST" = !ID, so we have:
53  * even if VBUS is on.
55  *  Role          |   ID  |  VBUS
63  * - VBUS only - we want to distinguish between [1] and [2], so ID is always 1
64  * - ID only - we want to distinguish between [1] and [4], so VBUS = ID
70 	int id, vbus, ret;  in usb_conn_detect_cable()  local
75 	/* check ID and VBUS */  in usb_conn_detect_cable()
78 	vbus = info->vbus_gpiod ?  in usb_conn_detect_cable()
83 	else if (vbus)  in usb_conn_detect_cable()
88 	dev_dbg(info->dev, "role %s -> %s, gpios: id %d, vbus %d\n",  in usb_conn_detect_cable()
89 		usb_role_string(info->last_role), usb_role_string(role), id, vbus);  in usb_conn_detect_cable()
98 	if (info->last_role == USB_ROLE_HOST && info->vbus)  in usb_conn_detect_cable()
99 		regulator_disable(info->vbus);  in usb_conn_detect_cable()
105 	if (role == USB_ROLE_HOST && info->vbus) {  in usb_conn_detect_cable()
106 		ret = regulator_enable(info->vbus);  in usb_conn_detect_cable()
108 			dev_err(info->dev, "enable vbus regulator failed\n");  in usb_conn_detect_cable()
113 	if (info->vbus)  in usb_conn_detect_cable()
114 		dev_dbg(info->dev, "vbus regulator is %s\n",  in usb_conn_detect_cable()
115 			str_enabled_disabled(regulator_is_enabled(info->vbus)));  in usb_conn_detect_cable()
193 	info->vbus_gpiod = devm_gpiod_get_optional(dev, "vbus", GPIOD_IN);  in usb_conn_probe()
211 	info->vbus = devm_regulator_get_optional(dev, "vbus");  in usb_conn_probe()
212 	if (PTR_ERR(info->vbus) == -ENODEV)  in usb_conn_probe()
213 		info->vbus = NULL;  in usb_conn_probe()
215 	if (IS_ERR(info->vbus))  in usb_conn_probe()
216 		return dev_err_probe(dev, PTR_ERR(info->vbus), "failed to get vbus\n");  in usb_conn_probe()
247 			dev_err(dev, "failed to get VBUS IRQ\n");  in usb_conn_probe()
256 			dev_err(dev, "failed to request VBUS IRQ\n");  in usb_conn_probe()
281 	if (info->last_role == USB_ROLE_HOST && info->vbus)  in usb_conn_remove()
282 		regulator_disable(info->vbus);  in usb_conn_remove()