4 files changed, 47 insertions, 1 deletions

diff --git a/include/linux/hid-sensor-ids.h b/include/linux/hid-sensor-ids.h
index ca8d7e94eb3c..55f277372fed 100644
--- a/include/linux/hid-sensor-ids.h
+++ b/include/linux/hid-sensor-ids.h
@@ -19,7 +19,6 @@
 #ifndef _HID_SENSORS_IDS_H
 #define _HID_SENSORS_IDS_H
 
-#define HID_UP_SENSOR                                           0x00200000
 #define HID_MAX_PHY_DEVICES                                     0xFF
 
 /* Accel 3D (200073) */
diff --git a/include/linux/hid.h b/include/linux/hid.h
index c076041a069e..7330a0fef0c0 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -167,6 +167,7 @@ struct hid_item {
 #define HID_UP_MSVENDOR         0xff000000
 #define HID_UP_CUSTOM           0x00ff0000
 #define HID_UP_LOGIVENDOR       0xffbc0000
+#define HID_UP_SENSOR           0x00200000
 
 #define HID_USAGE               0x0000ffff
 
@@ -292,6 +293,7 @@ struct hid_item {
  */
 #define HID_GROUP_GENERIC                       0x0001
 #define HID_GROUP_MULTITOUCH                    0x0002
+#define HID_GROUP_SENSOR_HUB                    0x0003
 
 /*
  * This is the global environment of the parser. This information is
@@ -342,6 +344,7 @@ struct hid_collection {
 struct hid_usage {
         unsigned  hid;                  /* hid usage code */
         unsigned  collection_index;     /* index into collection array */
+        unsigned  usage_index;          /* index into usage array */
         /* hidinput data */
         __u16     code;                 /* input driver code */
         __u8      type;                 /* input driver type */
@@ -684,6 +687,7 @@ struct hid_ll_driver {
 
 extern int hid_debug;
 
+extern bool hid_ignore(struct hid_device *);
 extern int hid_add_device(struct hid_device *);
 extern void hid_destroy_device(struct hid_device *);
 
@@ -706,6 +710,7 @@ int hid_input_report(struct hid_device *, int type, u8 *, int, int);
 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field);
 struct hid_field *hidinput_get_led_field(struct hid_device *hid);
 unsigned int hidinput_count_leds(struct hid_device *hid);
+__s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code);
 void hid_output_report(struct hid_report *report, __u8 *data);
 struct hid_device *hid_allocate_device(void);
 struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id);
@@ -716,6 +721,7 @@ int hid_connect(struct hid_device *hid, unsigned int connect_mask);
 void hid_disconnect(struct hid_device *hid);
 const struct hid_device_id *hid_match_id(struct hid_device *hdev,
                                          const struct hid_device_id *id);
+s32 hid_snto32(__u32 value, unsigned n);
 
 /**
  * hid_map_usage - map usage input bits
diff --git a/include/linux/i2c/i2c-hid.h b/include/linux/i2c/i2c-hid.h
new file mode 100644
index 000000000000..60e411d764d4
--- /dev/null
+++ b/include/linux/i2c/i2c-hid.h
@@ -0,0 +1,35 @@
+/*
+ * HID over I2C protocol implementation
+ *
+ * Copyright (c) 2012 Benjamin Tissoires <benjamin.tissoires@gmail.com>
+ * Copyright (c) 2012 Ecole Nationale de l'Aviation Civile, France
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#ifndef __LINUX_I2C_HID_H
+#define __LINUX_I2C_HID_H
+
+#include <linux/types.h>
+
+/**
+ * struct i2chid_platform_data - used by hid over i2c implementation.
+ * @hid_descriptor_address: i2c register where the HID descriptor is stored.
+ *
+ * Note that it is the responsibility of the platform driver (or the acpi 5.0
+ * driver) to setup the irq related to the gpio in the struct i2c_board_info.
+ * The platform driver should also setup the gpio according to the device:
+ *
+ * A typical example is the following:
+ *      irq = gpio_to_irq(intr_gpio);
+ *      hkdk4412_i2c_devs5[0].irq = irq; // store the irq in i2c_board_info
+ *      gpio_request(intr_gpio, "elan-irq");
+ *      s3c_gpio_setpull(intr_gpio, S3C_GPIO_PULL_UP);
+ */
+struct i2c_hid_platform_data {
+        u16 hid_descriptor_address;
+};
+
+#endif /* __LINUX_I2C_HID_H */
diff --git a/include/linux/input/mt.h b/include/linux/input/mt.h
index cc5cca774bab..2e86bd0bfba1 100644
--- a/include/linux/input/mt.h
+++ b/include/linux/input/mt.h
@@ -69,6 +69,12 @@ static inline bool input_mt_is_active(const struct input_mt_slot *slot)
         return input_mt_get_value(slot, ABS_MT_TRACKING_ID) >= 0;
 }
 
+static inline bool input_mt_is_used(const struct input_mt *mt,
+                                    const struct input_mt_slot *slot)
+{
+        return slot->frame == mt->frame;
+}
+
 int input_mt_init_slots(struct input_dev *dev, unsigned int num_slots,
                         unsigned int flags);
 void input_mt_destroy_slots(struct input_dev *dev);