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path: root/drivers/hid/usbhid/hid-core.c
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Diffstat (limited to 'drivers/hid/usbhid/hid-core.c')
-rw-r--r--drivers/hid/usbhid/hid-core.c34
1 files changed, 22 insertions, 12 deletions
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 606369ea24c..03cb494af1c 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -4,7 +4,7 @@
* Copyright (c) 1999 Andreas Gal
* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
- * Copyright (c) 2006-2007 Jiri Kosina
+ * Copyright (c) 2006-2008 Jiri Kosina
*/
/*
@@ -641,9 +641,7 @@ static void hid_find_max_report(struct hid_device *hid, unsigned int type,
unsigned int size;
list_for_each_entry(report, &hid->report_enum[type].report_list, list) {
- size = ((report->size - 1) >> 3) + 1;
- if (type == HID_INPUT_REPORT && hid->report_enum[type].numbered)
- size++;
+ size = ((report->size - 1) >> 3) + 1 + hid->report_enum[type].numbered;
if (*max < size)
*max = size;
}
@@ -653,13 +651,16 @@ static int hid_alloc_buffers(struct usb_device *dev, struct hid_device *hid)
{
struct usbhid_device *usbhid = hid->driver_data;
- if (!(usbhid->inbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->inbuf_dma)))
- return -1;
- if (!(usbhid->outbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->outbuf_dma)))
- return -1;
- if (!(usbhid->cr = usb_buffer_alloc(dev, sizeof(*(usbhid->cr)), GFP_ATOMIC, &usbhid->cr_dma)))
- return -1;
- if (!(usbhid->ctrlbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->ctrlbuf_dma)))
+ usbhid->inbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_KERNEL,
+ &usbhid->inbuf_dma);
+ usbhid->outbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_KERNEL,
+ &usbhid->outbuf_dma);
+ usbhid->cr = usb_buffer_alloc(dev, sizeof(*usbhid->cr), GFP_KERNEL,
+ &usbhid->cr_dma);
+ usbhid->ctrlbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_KERNEL,
+ &usbhid->ctrlbuf_dma);
+ if (!usbhid->inbuf || !usbhid->outbuf || !usbhid->cr ||
+ !usbhid->ctrlbuf)
return -1;
return 0;
@@ -807,7 +808,7 @@ static int usbhid_start(struct hid_device *hid)
int interval;
endpoint = &interface->endpoint[n].desc;
- if ((endpoint->bmAttributes & 3) != 3) /* Not an interrupt endpoint */
+ if (!usb_endpoint_xfer_int(endpoint))
continue;
interval = endpoint->bInterval;
@@ -876,6 +877,15 @@ static int usbhid_start(struct hid_device *hid)
set_bit(HID_STARTED, &usbhid->iofl);
+ /* Some keyboards don't work until their LEDs have been set.
+ * Since BIOSes do set the LEDs, it must be safe for any device
+ * that supports the keyboard boot protocol.
+ */
+ if (interface->desc.bInterfaceSubClass == USB_INTERFACE_SUBCLASS_BOOT &&
+ interface->desc.bInterfaceProtocol ==
+ USB_INTERFACE_PROTOCOL_KEYBOARD)
+ usbhid_set_leds(hid);
+
return 0;
fail: