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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 <rydberg@euromail.se>
Acked-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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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12
include/linux/hid.h
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@ -586,12 +586,12 @@ struct hid_descriptor {
struct hid_class_descriptor desc[1];
} __attribute__ ((packed));
#define HID_DEVICE(b, ven, prod) \
.bus = (b), \
.vendor = (ven), .product = (prod)
#define HID_USB_DEVICE(ven, prod) HID_DEVICE(BUS_USB, ven, prod)
#define HID_BLUETOOTH_DEVICE(ven, prod) HID_DEVICE(BUS_BLUETOOTH, ven, prod)
#define HID_DEVICE(b, g, ven, prod) \
.bus = (b), .group = (g), .vendor = (ven), .product = (prod)
#define HID_USB_DEVICE(ven, prod) \
.bus = BUS_USB, .vendor = (ven), .product = (prod)
#define HID_BLUETOOTH_DEVICE(ven, prod) \
.bus = BUS_BLUETOOTH, .vendor = (ven), .product = (prod)
#define HID_REPORT_ID(rep) \
.report_type = (rep)