diff options
Diffstat (limited to 'include/linux/usb')
| -rw-r--r-- | include/linux/usb/composite.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h index e970fba6dbbb..7651e5bf7487 100644 --- a/include/linux/usb/composite.h +++ b/include/linux/usb/composite.h @@ -381,6 +381,30 @@ extern int usb_string_ids_tab(struct usb_composite_dev *c, struct usb_string *str); extern int usb_string_ids_n(struct usb_composite_dev *c, unsigned n); +/* + * Some systems will need runtime overrides for the product identifiers + * published in the device descriptor, either numbers or strings or both. + * String parameters are in UTF-8 (superset of ASCII's 7 bit characters). + */ +struct usb_composite_overwrite { + u16 idVendor; + u16 idProduct; + u16 bcdDevice; +}; +#define USB_GADGET_COMPOSITE_OPTIONS() \ + static struct usb_composite_overwrite coverwrite; \ + \ + module_param_named(idVendor, coverwrite.idVendor, ushort, S_IRUGO); \ + MODULE_PARM_DESC(idVendor, "USB Vendor ID"); \ + \ + module_param_named(idProduct, coverwrite.idProduct, ushort, S_IRUGO); \ + MODULE_PARM_DESC(idProduct, "USB Product ID"); \ + \ + module_param_named(bcdDevice, coverwrite.bcdDevice, ushort, S_IRUGO); \ + MODULE_PARM_DESC(bcdDevice, "USB Device version (BCD)") + +void usb_composite_overwrite_options(struct usb_composite_dev *cdev, + struct usb_composite_overwrite *covr); /* messaging utils */ #define DBG(d, fmt, args...) \ |