linux/usb/role.h

1 // SPDX-License-Identifier: GPL-2.0
17 				     enum usb_role role);
21  * struct usb_role_switch_desc - USB Role Switch Descriptor
22  * @fwnode: The device node to be associated with the role switch
26  * @set: Callback for setting the role
27  * @get: Callback for getting the role (optional)
28  * @allow_userspace_control: If true userspace may change the role through sysfs
29  * @driver_data: Private data pointer
33  * device controller behind the USB connector with the role switch. If
52 int usb_role_switch_set_role(struct usb_role_switch *sw, enum usb_role role);
66 void usb_role_switch_set_drvdata(struct usb_role_switch *sw, void *data);
68 const char *usb_role_string(enum usb_role role);
71 		enum usb_role role)  in usb_role_switch_set_role()  argument
83 	return ERR_PTR(-ENODEV);  in usb_role_switch_get()
89 	return ERR_PTR(-ENODEV);  in fwnode_usb_role_switch_get()
104 	return ERR_PTR(-ENODEV);  in usb_role_switch_register()
110 usb_role_switch_set_drvdata(struct usb_role_switch *sw, void *data)  in usb_role_switch_set_drvdata()  argument
119 static inline const char *usb_role_string(enum usb_role role)  in usb_role_string()  argument