Re: [PATCH] xpad - Set buffer length for outgoing requests

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Hi Michael,

On Tue, Apr 08, 2008 at 01:05:27PM +0200, Michael Gruber wrote:
> 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>
> 

Thank you for the patch, it seems reasonable. Anssi, any objections?

> ---
> 
> 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);
>  	}

-- 
Dmitry
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