[PATCH] xpad - Set buffer length for outgoing requests

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From: Michael Gruber <lists.mg@xxxxxxxxxxxxxx>

The messages for led/rumble are exactly 3 and 8 bytes respectively.
Hence set up the transfer_buffer_length accordingly.

Signed-off-by: Michael Gruber <lists.mg@xxxxxxxxxxxxxx>

---

Hi, my Xbox360 Controller will not work at all unless this is set up correctly.
I am new to linux kernel programming and would appreciate any kinds of comments.

 drivers/input/joystick/xpad.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/input/joystick/xpad.c	2008-04-05 15:18:37.000000000 +0200
+++ b/drivers/input/joystick/xpad.c	2008-04-05 15:18:25.000000000 +0200
@@ -558,6 +558,7 @@ static int xpad_play_effect(struct input
 		xpad->odata[5] = 0x00;
 		xpad->odata[6] = 0x00;
 		xpad->odata[7] = 0x00;
+		xpad->irq_out->transfer_buffer_length = 8;
 		usb_submit_urb(xpad->irq_out, GFP_KERNEL);
 	}

@@ -594,6 +595,7 @@ static void xpad_send_led_command(struct
 		xpad->odata[0] = 0x01;
 		xpad->odata[1] = 0x03;
 		xpad->odata[2] = command;
+		xpad->irq_out->transfer_buffer_length = 3;
 		usb_submit_urb(xpad->irq_out, GFP_KERNEL);
 		mutex_unlock(&xpad->odata_mutex);
 	}
--
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