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HID: Create a generic device group

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Devices that do not have a special driver are handled by the generic
driver. This patch does the same thing using device groups; Instead of
forcing a particular driver, the appropriate driver is picked up by
udev. As a consequence, one can now move a device from generic to
specific handling by a simple rebind. By adding a new device id to the
generic driver, the same thing can be done in reverse.

Signed-off-by: Henrik Rydberg <[email protected]>
Acked-by: Benjamin Tissoires <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
This commit is contained in:
Henrik Rydberg 2012-04-23 12:07:05 +02:00 • committed by Jiri Kosina
commit 070748ed0b
4 changed files with 9 additions and 16 deletions
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9
drivers/hid/hid-core.c
View file

@ -1800,14 +1800,7 @@ static int hid_bus_match(struct device *dev, struct device_driver *drv)
!strncmp(hdrv->name, "hid-multitouch", 14))
return 1;
if (!hid_match_device(hdev, hdrv))
return 0;
/* generic wants all that don't have specialized driver */
if (!strncmp(hdrv->name, "generic-", 8) && !hid_ignore_special_drivers)
return !hid_match_id(hdev, hid_have_special_driver);
return 1;
return hid_match_device(hdev, hdrv) != NULL;
}
static int hid_device_probe(struct device *dev)

2
drivers/hid/usbhid/hid-core.c
View file

@ -1505,7 +1505,7 @@ static struct usb_driver hid_driver = {
};
static const struct hid_device_id hid_usb_table[] = {
{ HID_USB_DEVICE(HID_ANY_ID, HID_ANY_ID) },
{ HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, HID_ANY_ID, HID_ANY_ID) },
{ }
};