diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/usb/composite.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h index 7651e5bf7487..f821a3ad475d 100644 --- a/include/linux/usb/composite.h +++ b/include/linux/usb/composite.h @@ -248,6 +248,14 @@ int usb_add_config(struct usb_composite_dev *, void usb_remove_config(struct usb_composite_dev *, struct usb_configuration *); +/* predefined index for usb_composite_driver */ +enum { + USB_GADGET_MANUFACTURER_IDX = 0, + USB_GADGET_PRODUCT_IDX, + USB_GADGET_SERIAL_IDX, + USB_GADGET_FIRST_AVAIL_IDX, +}; + /** * struct usb_composite_driver - groups configurations into a gadget * @name: For diagnostics, identifies the driver. @@ -261,7 +269,9 @@ void usb_remove_config(struct usb_composite_dev *, * @dev: Template descriptor for the device, including default device * identifiers. * @strings: tables of strings, keyed by identifiers assigned during @bind - * and language IDs provided in control requests + * and language IDs provided in control requests. Note: The first entries + * are predefined. The first entry that may be used is + * USB_GADGET_FIRST_AVAIL_IDX * @max_speed: Highest speed the driver supports. * @needs_serial: set to 1 if the gadget needs userspace to provide * a serial number. If one is not provided, warning will be printed. |