USB: Add the USB 2.0 extension descriptor.

[linux-2.6-omap-h63xx.git] / include / linux / usb / ch9.h

diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index 7e0d3084f76c8411aa5dad0b09772f840020b50a..73a2f4eb1f7ae1a6f9c23131a56f5d1d6d631d58 100644 (file)
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -455,7 +455,7 @@ struct usb_encryption_descriptor {
 
 /*-------------------------------------------------------------------------*/
 
-/* USB_DT_BOS:  group of wireless capabilities */
+/* USB_DT_BOS:  group of device-level capabilities */
 struct usb_bos_descriptor {
        __u8  bLength;
        __u8  bDescriptorType;
@@ -501,6 +501,16 @@ struct usb_wireless_cap_descriptor {       /* Ultra Wide Band */
        __u8  bReserved;
 } __attribute__((packed));
 
+#define        USB_CAP_TYPE_EXT                2
+
+struct usb_ext_cap_descriptor {                /* Link Power Management */
+       __u8  bLength;
+       __u8  bDescriptorType;
+       __u8  bDevCapabilityType;
+       __u8  bmAttributes;
+#define USB_LPM_SUPPORT                        (1 << 1)        /* supports LPM */
+} __attribute__((packed));
+
 /*-------------------------------------------------------------------------*/
 
 /* USB_DT_WIRELESS_ENDPOINT_COMP:  companion descriptor associated with