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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: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
H Hartley Sweeten 2012-12-17 15:26:55 -07:00 committed by Jiri Kosina
parent fd62c54503
commit 4d02c58eb1
1 changed files with 12 additions and 0 deletions
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12
include/linux/hid.h
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@ -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);