Attachment 148584 Details for Bug 209154 – patch to fix high speed HID device interval

[patch] patch to fix high speed HID device interval

hidcore_interval_rhel3.patch (text/plain), 1010 bytes, created by Stuart Hayes on 2007-02-22 16:21:06 UTC

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Creator: Stuart Hayes

Created: 2007-02-22 16:21:06 UTC

Size: 1010 bytes

patch

obsolete

>--- linux-2.4.21-47.EL/drivers/usb/hid-core.c.orig	2006-10-02 15:19:18.000000000 -0500
>+++ linux-2.4.21-47.EL/drivers/usb/hid-core.c	2006-10-02 15:20:37.000000000 -0500
>@@ -1238,7 +1238,7 @@ static struct hid_device *usb_hid_config
> 	for (n = 0; n < interface->bNumEndpoints; n++) {
> 
> 		struct usb_endpoint_descriptor *endpoint = &interface->endpoint[n];
>-		int pipe, maxp;
>+		int pipe, maxp, interval;
> 
> 		if ((endpoint->bmAttributes & 3) != 3)		/* Not an interrupt endpoint */
> 			continue;
>@@ -1248,8 +1248,11 @@ static struct hid_device *usb_hid_config
> 
> 		pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
> 		maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
>+		interval = endpoint->bInterval;
>+		if (dev->speed == USB_SPEED_HIGH)
>+			interval = 1 << (interval - 1);
> 
>-		FILL_INT_URB(&hid->urb, dev, pipe, hid->buffer, maxp > 32 ? 32 : maxp, hid_irq, hid, endpoint->bInterval);
>+		FILL_INT_URB(&hid->urb, dev, pipe, hid->buffer, maxp > 32 ? 32 : maxp, hid_irq, hid, interval);
> 
> 		break;
> 	}

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Attachments on bug 209154: 148584