EXTCON_PROP_USB_MIN
case EXTCON_PROP_USB_MIN ... EXTCON_PROP_USB_MAX:
ret = test_bit(prop - EXTCON_PROP_USB_MIN, cable->usb_bits);
case EXTCON_PROP_USB_MIN ... EXTCON_PROP_USB_MAX:
*prop_val = cable->usb_propval[prop - EXTCON_PROP_USB_MIN];
case EXTCON_PROP_USB_MIN ... EXTCON_PROP_USB_MAX:
cable->usb_propval[prop - EXTCON_PROP_USB_MIN] = prop_val;
__set_bit(prop - EXTCON_PROP_USB_MIN, cable->usb_bits);
#define EXTCON_PROP_USB_CNT (EXTCON_PROP_USB_MAX - EXTCON_PROP_USB_MIN + 1)