usb/roles/class.c

3  * USB Role Switch Support
40  * usb_role_switch_set_role - Set USB role for a switch
41  * @sw: USB role switch
71  * usb_role_switch_get_role - Get the USB role for a switch
72  * @sw: USB role switch
74  * Depending on the role-switch-driver this function returns either a cached
116 	if (!fwnode_property_present(parent, "usb-role-switch")) {  in usb_role_switch_is_parent()
127  * usb_role_switch_get - Find USB role switch linked with the caller
130  * Finds and returns role switch linked with @dev. The reference count for the
131  * found switch is incremented.
139 		sw = device_connection_find_match(dev, "usb-role-switch", NULL,  in usb_role_switch_get()
150  * fwnode_usb_role_switch_get - Find USB role switch linked with the caller
154  * the switch using fwnode instead of device entry.
162 		sw = fwnode_connection_find_match(fwnode, "usb-role-switch",  in fwnode_usb_role_switch_get()
172  * usb_role_switch_put - Release handle to a switch
173  * @sw: USB Role Switch
187  * usb_role_switch_find_by_fwnode - Find USB role switch with its fwnode
188  * @fwnode: fwnode of the USB Role Switch
190  * Finds and returns role switch with @fwnode. The reference count for the
191  * found switch is incremented.
258 		/* Extra check if the user wants to disable the switch */  in role_store()
313  * usb_role_switch_register - Register USB Role Switch
314  * @parent: Parent device for the switch
315  * @desc: Description of the switch
317  * USB Role Switch is a device capable or choosing the role for USB connector.
319  * driver will need to register the switch. On platforms where the USB host and
321  * mux, and the driver for that mux will need to register the switch.
323  * Returns handle to a new role switch or ERR_PTR. The content of @desc is
355 	dev_set_name(&sw->dev, "%s-role-switch",  in usb_role_switch_register()
374  * usb_role_switch_unregister - Unregsiter USB Role Switch
375  * @sw: USB Role Switch
377  * Unregister switch that was registered with usb_role_switch_register().
389  * usb_role_switch_set_drvdata - Assign private data pointer to a switch
390  * @sw: USB Role Switch
400  * usb_role_switch_get_drvdata - Get the private data pointer of a switch
401  * @sw: USB Role Switch