1 files changed, 5 insertions, 1 deletions

diff --git a/include/linux/hid.h b/include/linux/hid.h
index 20b9801f669b..d91c25e253c8 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -402,7 +402,7 @@ struct hid_field {
         __u16 dpad;                     /* dpad input code */
 };
 
-#define HID_MAX_FIELDS 64
+#define HID_MAX_FIELDS 128
 
 struct hid_report {
         struct list_head list;
@@ -593,6 +593,7 @@ struct hid_usage_id {
  * @report_fixup: called before report descriptor parsing (NULL means nop)
  * @input_mapping: invoked on input registering before mapping an usage
  * @input_mapped: invoked on input registering after mapping an usage
+ * @feature_mapping: invoked on feature registering
  * @suspend: invoked on suspend (NULL means nop)
  * @resume: invoked on resume if device was not reset (NULL means nop)
  * @reset_resume: invoked on resume if device was reset (NULL means nop)
@@ -636,6 +637,9 @@ struct hid_driver {
         int (*input_mapped)(struct hid_device *hdev,
                         struct hid_input *hidinput, struct hid_field *field,
                         struct hid_usage *usage, unsigned long **bit, int *max);
+        void (*feature_mapping)(struct hid_device *hdev,
+                        struct hid_input *hidinput, struct hid_field *field,
+                        struct hid_usage *usage);
 #ifdef CONFIG_PM
         int (*suspend)(struct hid_device *hdev, pm_message_t message);
         int (*resume)(struct hid_device *hdev);