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Diffstat (limited to 'include/linux/hid.h')
-rw-r--r--include/linux/hid.h12
1 files changed, 8 insertions, 4 deletions
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 9cf8e7ae745..c235e4e8767 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -71,6 +71,7 @@
#include <linux/timer.h>
#include <linux/workqueue.h>
#include <linux/input.h>
+#include <linux/semaphore.h>
/*
* We parse each description item into this structure. Short items data
@@ -312,6 +313,7 @@ struct hid_item {
#define HID_QUIRK_BADPAD 0x00000020
#define HID_QUIRK_MULTI_INPUT 0x00000040
#define HID_QUIRK_HIDINPUT_FORCE 0x00000080
+#define HID_QUIRK_MULTITOUCH 0x00000100
#define HID_QUIRK_SKIP_OUTPUT_REPORTS 0x00010000
#define HID_QUIRK_FULLSPEED_INTERVAL 0x10000000
#define HID_QUIRK_NO_INIT_REPORTS 0x20000000
@@ -475,6 +477,7 @@ struct hid_device { /* device report descriptor */
unsigned country; /* HID country */
struct hid_report_enum report_enum[HID_REPORT_TYPES];
+ struct semaphore driver_lock; /* protects the current driver */
struct device dev; /* device */
struct hid_driver *driver;
struct hid_ll_driver *ll_driver;
@@ -694,10 +697,11 @@ extern void hid_destroy_device(struct hid_device *);
extern int __must_check __hid_register_driver(struct hid_driver *,
struct module *, const char *mod_name);
-static inline int __must_check hid_register_driver(struct hid_driver *driver)
-{
- return __hid_register_driver(driver, THIS_MODULE, KBUILD_MODNAME);
-}
+
+/* use a define to avoid include chaining to get THIS_MODULE & friends */
+#define hid_register_driver(driver) \
+ __hid_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
+
extern void hid_unregister_driver(struct hid_driver *);
extern void hidinput_hid_event(struct hid_device *, struct hid_field *, struct hid_usage *, __s32);