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Commit 4d02c58e authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Jiri Kosina
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HID: introduce helper for hid_driver boilerplate 



Introduce the module_hid_driver macro which is a convenience macro
for HID driver modules similar to module_usb_driver. It is intended
to be used by drivers with init/exit sections that do nothing but
register/unregister the HID driver.

Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent fd62c545

include/linux/hid.h

+12 −0
Original line number Diff line number Diff line
@@ -700,6 +700,18 @@ extern int __must_check __hid_register_driver(struct hid_driver *, 


extern void hid_unregister_driver(struct hid_driver *);



/**

 * module_hid_driver() - Helper macro for registering a HID driver

 * @__hid_driver: hid_driver struct

 *

 * Helper macro for HID drivers which do not do anything special in module

 * init/exit. This eliminates a lot of boilerplate. Each module may only

 * use this macro once, and calling it replaces module_init() and module_exit()

 */

#define module_hid_driver(__hid_driver) \

	module_driver(__hid_driver, hid_register_driver, \

		      hid_unregister_driver)



extern void hidinput_hid_event(struct hid_device *, struct hid_field *, struct hid_usage *, __s32);

extern void hidinput_report_event(struct hid_device *hid, struct hid_report *report);

extern int hidinput_connect(struct hid_device *hid, unsigned int force);