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[PATCH] hid-core: Add Clear-Halt on the Interrupt-in endpoint 

This patch (as577) adds a Clear-Halt call on the Interrupt-in endpoint
during input device configuration.  Without it my HP USB keyboard doesn't
work.

Vojtech says it's worth trying, since it might help with some recalcitrant
devices.  On the other hand, it might interfere with others.  I'm
submitting it so that it can get tested by a range of users.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Stern 2005-10-19 13:06:13 -04:00 committed by Greg Kroah-Hartman
parent 478a3bab8c
commit 423e489d70
1 changed files with 3 additions and 0 deletions
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3
drivers/usb/input/hid-core.c
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@ -1784,6 +1784,9 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf)
hid->urbctrl->transfer_dma = hid->ctrlbuf_dma;
hid->urbctrl->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP);
/* May be needed for some devices */
usb_clear_halt(hid->dev, hid->urbin->pipe);
return hid;
fail: