1 files changed, 23 insertions, 4 deletions

diff --git a/include/linux/hid.h b/include/linux/hid.h
index deed5f9a1e1c..8ac51d6e81e0 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -72,6 +72,7 @@
 #include <linux/workqueue.h>
 #include <linux/input.h>
 #include <linux/semaphore.h>
+#include <linux/power_supply.h>
 
 /*
  * We parse each description item into this structure. Short items data
@@ -190,6 +191,7 @@ struct hid_item {
 #define HID_UP_UNDEFINED        0x00000000
 #define HID_UP_GENDESK          0x00010000
 #define HID_UP_SIMULATION       0x00020000
+#define HID_UP_GENDEVCTRLS      0x00060000
 #define HID_UP_KEYBOARD         0x00070000
 #define HID_UP_LED              0x00080000
 #define HID_UP_BUTTON           0x00090000
@@ -239,6 +241,8 @@ struct hid_item {
 #define HID_GD_RIGHT            0x00010092
 #define HID_GD_LEFT             0x00010093
 
+#define HID_DC_BATTERYSTRENGTH  0x00060020
+
 #define HID_DG_DIGITIZER        0x000d0001
 #define HID_DG_PEN              0x000d0002
 #define HID_DG_LIGHTPEN         0x000d0003
@@ -482,6 +486,18 @@ struct hid_device {							/* device report descriptor */
         struct hid_driver *driver;
         struct hid_ll_driver *ll_driver;
 
+#ifdef CONFIG_HID_BATTERY_STRENGTH
+        /*
+         * Power supply information for HID devices which report
+         * battery strength. power_supply is registered iff
+         * battery.name is non-NULL.
+         */
+        struct power_supply battery;
+        __s32 battery_min;
+        __s32 battery_max;
+        __s32 battery_val;
+#endif
+
         unsigned int status;                                            /* see STAT flags above */
         unsigned claimed;                                               /* Claimed by hidinput, hiddev? */
         unsigned quirks;                                                /* Various quirks the device can pull on us */
@@ -697,10 +713,11 @@ 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);
@@ -711,6 +728,8 @@ extern void hidinput_disconnect(struct hid_device *);
 int hid_set_field(struct hid_field *, unsigned, __s32);
 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);
 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);