usb/common/usb-conn-gpio.c

39 	struct regulator *vbus;
74 	int id, vbus, ret;
82 	vbus = info->vbus_gpiod ?
87 	else if (vbus)
92 	dev_dbg(info->dev, "role %s -> %s, gpios: id %d, vbus %d\n",
93 		usb_role_string(info->last_role), usb_role_string(role), id, vbus);
102 	if (info->last_role == USB_ROLE_HOST && info->vbus)
103 		regulator_disable(info->vbus);
109 	if (role == USB_ROLE_HOST && info->vbus) {
110 		ret = regulator_enable(info->vbus);
112 			dev_err(info->dev, "enable vbus regulator failed\n");
117 	if (info->vbus)
118 		dev_dbg(info->dev, "vbus regulator is %s\n",
119 			str_enabled_disabled(regulator_is_enabled(info->vbus)));
209 	info->vbus_gpiod = devm_gpiod_get_optional(dev, "vbus", GPIOD_IN);
227 	info->vbus = devm_regulator_get_optional(dev, "vbus");
228 	if (PTR_ERR(info->vbus) == -ENODEV)
229 		info->vbus = NULL;
231 	if (IS_ERR(info->vbus))
232 		return dev_err_probe(dev, PTR_ERR(info->vbus), "failed to get vbus\n");
300 	if (info->last_role == USB_ROLE_HOST && info->vbus)
301 		regulator_disable(info->vbus);