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author | Henrik Rydberg <rydberg@euromail.se> | 2012-04-23 12:07:07 +0200 |
---|---|---|
committer | Jiri Kosina <jkosina@suse.cz> | 2012-05-01 12:54:55 +0200 |
commit | 8215d557e5f3a70e50e07c857d35c250fee62a73 (patch) | |
tree | 1ba7ffa5bddacacc9bff64a049e0ca091d43b65d /drivers | |
parent | 4fa3a5837b8427faab9b064b1948795eb77b9f8d (diff) | |
download | op-kernel-dev-8215d557e5f3a70e50e07c857d35c250fee62a73.zip op-kernel-dev-8215d557e5f3a70e50e07c857d35c250fee62a73.tar.gz |
HID: Create a common generic driver
Move the hid drivers of the bus drivers to a common generic hid
driver, and make it a proper module. This ought to simplify device
handling moving forward.
Cc: Gustavo Padovan <gustavo@padovan.org>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/hid/Kconfig | 12 | ||||
-rw-r--r-- | drivers/hid/Makefile | 2 | ||||
-rw-r--r-- | drivers/hid/hid-generic.c | 53 | ||||
-rw-r--r-- | drivers/hid/usbhid/hid-core.c | 16 |
4 files changed, 67 insertions, 16 deletions
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index ffddcba..9a581e1 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -60,6 +60,18 @@ source "drivers/hid/usbhid/Kconfig" menu "Special HID drivers" depends on HID +config HID_GENERIC + tristate "Generic HID driver" + depends on HID + default y + ---help--- + Support for generic HID devices. + + To compile this driver as a module, choose M here: the module + will be called hid-generic. + + If unsure, say Y. + config HID_A4TECH tristate "A4 tech mice" if EXPERT depends on USB_HID diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 22f1d16..a04cffa 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -9,6 +9,8 @@ endif obj-$(CONFIG_HID) += hid.o +obj-$(CONFIG_HID_GENERIC) += hid-generic.o + hid-$(CONFIG_HIDRAW) += hidraw.o hid-logitech-y := hid-lg.o diff --git a/drivers/hid/hid-generic.c b/drivers/hid/hid-generic.c new file mode 100644 index 0000000..a8b3148 --- /dev/null +++ b/drivers/hid/hid-generic.c @@ -0,0 +1,53 @@ +/* + * HID support for Linux + * + * 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) 2007-2008 Oliver Neukum + * Copyright (c) 2006-2012 Jiri Kosina + * Copyright (c) 2012 Henrik Rydberg + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/kernel.h> +#include <asm/unaligned.h> +#include <asm/byteorder.h> + +#include <linux/hid.h> + +static const struct hid_device_id hid_table[] = { + { HID_DEVICE(HID_BUS_ANY, HID_GROUP_GENERIC, HID_ANY_ID, HID_ANY_ID) }, + { } +}; +MODULE_DEVICE_TABLE(hid, hid_table); + +static struct hid_driver hid_generic = { + .name = "hid-generic", + .id_table = hid_table, +}; + +static int __init hid_init(void) +{ + return hid_register_driver(&hid_generic); +} + +static void __exit hid_exit(void) +{ + hid_unregister_driver(&hid_generic); +} + +module_init(hid_init); +module_exit(hid_exit); + +MODULE_AUTHOR("Henrik Rydberg"); +MODULE_DESCRIPTION("HID generic driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 9abf718..9cba500 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -1504,28 +1504,15 @@ static struct usb_driver hid_driver = { .supports_autosuspend = 1, }; -static const struct hid_device_id hid_usb_table[] = { - { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, HID_ANY_ID, HID_ANY_ID) }, - { } -}; - struct usb_interface *usbhid_find_interface(int minor) { return usb_find_interface(&hid_driver, minor); } -static struct hid_driver hid_usb_driver = { - .name = "generic-usb", - .id_table = hid_usb_table, -}; - static int __init hid_init(void) { int retval = -ENOMEM; - retval = hid_register_driver(&hid_usb_driver); - if (retval) - goto hid_register_fail; retval = usbhid_quirks_init(quirks_param); if (retval) goto usbhid_quirks_init_fail; @@ -1538,8 +1525,6 @@ static int __init hid_init(void) usb_register_fail: usbhid_quirks_exit(); usbhid_quirks_init_fail: - hid_unregister_driver(&hid_usb_driver); -hid_register_fail: return retval; } @@ -1547,7 +1532,6 @@ static void __exit hid_exit(void) { usb_deregister(&hid_driver); usbhid_quirks_exit(); - hid_unregister_driver(&hid_usb_driver); } module_init(hid_init); |