Doc updates

module_usb_audio/endpoint0/vendorrequests.h

@@ -0,0 +1,16 @@
+#ifndef _VENDORREQUESTS_H_
+#define _VENDORREQUESTS_H_
+
+/* Functions that handle vustomer vendor requests.
+ *
+ * THESE NEED IMPLEMENTING FOR A SPECIFIC DESIGN
+ *
+ * Should return 0 if handled sucessfully, else return 0 (-1 for passing up reset/suspend)
+ *
+ * */
+
+int VendorAudioRequests(XUD_ep ep0_out, XUD_ep ep0_in, unsigned char bRequest, unsigned char cs, unsigned char cn, 
+    unsigned short unitId, unsigned char direction, chanend c_audioControl, chanend ?c_mix_ctl, chanend ?c_clk_ctL);
+
+#endif
+