From 624c6655697f72177f5d5240a6e805aedc8c850b Mon Sep 17 00:00:00 2001
From: Oleksij Rempel <linux@rempel-privat.de>
Date: Tue, 13 Aug 2013 11:31:04 +0200
Subject: [PATCH] patch bcdDevice value for k2 to make easy firmware detection.

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
---
 .../magpie_fw_dev/target/hif/k2_fw_usb_api.c  | 39 ++++++++++++-------
 1 file changed, 26 insertions(+), 13 deletions(-)

diff --git a/target_firmware/magpie_fw_dev/target/hif/k2_fw_usb_api.c b/target_firmware/magpie_fw_dev/target/hif/k2_fw_usb_api.c
index 83a72a9..fe66c93 100755
--- a/target_firmware/magpie_fw_dev/target/hif/k2_fw_usb_api.c
+++ b/target_firmware/magpie_fw_dev/target/hif/k2_fw_usb_api.c
@@ -715,13 +715,18 @@ ERR_DONE:
     ;
 }
 
+extern uint16_t *u8UsbDeviceDescriptor;
 extern uint16_t *u8ConfigDescriptorEX;
 extern uint16_t *pu8DescriptorEX;
 extern uint16_t u16TxRxCounter;
 extern BOOLEAN bGet_descriptor(void);
 
+uint16_t DeviceDescriptorPatch[9];
 uint16_t ConfigDescriptorPatch[30];
 
+
+#define BCD_DEVICE		    6
+#define BCD_DEVICE_FW_SIGNATURE	    0xffff
 #define EP3_TRANSFER_TYPE_OFFSET    17
 #define EP3_INT_INTERVAL            19
 #define EP4_TRANSFER_TYPE_OFFSET    21
@@ -729,13 +734,21 @@ uint16_t ConfigDescriptorPatch[30];
 
 BOOLEAN bGet_descriptor_patch(void)
 {
-    if (mDEV_REQ_VALUE_HIGH() == 2) {
-        uint8_t *p = (uint8_t *)u8ConfigDescriptorEX;
+    int i;
+    switch (mDEV_REQ_VALUE_HIGH()) {
+    case 1:
+        ath_hal_memcpy(DeviceDescriptorPatch,
+            u8UsbDeviceDescriptor, sizeof(DeviceDescriptorPatch));
 
-        /* Copy ConfigDescriptor */
-	ath_hal_memcpy(ConfigDescriptorPatch, p, sizeof(ConfigDescriptorPatch));
+        DeviceDescriptorPatch[BCD_DEVICE] = BCD_DEVICE_FW_SIGNATURE;
 
-        p = (uint8_t *)ConfigDescriptorPatch;
+        pu8DescriptorEX = DeviceDescriptorPatch;
+        u16TxRxCounter = mTABLE_LEN(DeviceDescriptorPatch[0]);
+        break;
+    case 2:
+        /* Copy ConfigDescriptor */
+	ath_hal_memcpy(ConfigDescriptorPatch,
+            u8ConfigDescriptorEX, sizeof(ConfigDescriptorPatch));
 
         /* Patch the transfer type of EP3 and EP4 */
         ConfigDescriptorPatch[EP3_TRANSFER_TYPE_OFFSET] = 0x0283;
@@ -753,16 +766,16 @@ BOOLEAN bGet_descriptor_patch(void)
         default:
             return FALSE;
         }
-
-        if (u16TxRxCounter > mDEV_REQ_LENGTH())
-            u16TxRxCounter = mDEV_REQ_LENGTH();
-
-        A_USB_EP0_TX_DATA();
-        return TRUE;
-    }
-    else {
+        break;
+    default:
         return bGet_descriptor();
     }
+
+    if (u16TxRxCounter > mDEV_REQ_LENGTH())
+        u16TxRxCounter = mDEV_REQ_LENGTH();
+
+    A_USB_EP0_TX_DATA();
+    return TRUE;
 }
 
 extern BOOLEAN bStandardCommand(void);
-- 
2.25.1