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-rw-r--r--include/linux/hid.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 9cf8e7ae7450..deed5f9a1e1c 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;