1 files changed, 74 insertions, 7 deletions

diff --git a/include/linux/hid.h b/include/linux/hid.h
index bb0f56f5c01e..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);
@@ -820,6 +824,49 @@ static inline void hid_hw_stop(struct hid_device *hdev)
         hdev->ll_driver->stop(hdev);
 }
 
+/**
+ * hid_hw_open - signal underlaying HW to start delivering events
+ *
+ * @hdev: hid device
+ *
+ * Tell underlying HW to start delivering events from the device.
+ * This function should be called sometime after successful call
+ * to hid_hiw_start().
+ */
+static inline int __must_check hid_hw_open(struct hid_device *hdev)
+{
+        return hdev->ll_driver->open(hdev);
+}
+
+/**
+ * hid_hw_close - signal underlaying HW to stop delivering events
+ *
+ * @hdev: hid device
+ *
+ * This function indicates that we are not interested in the events
+ * from this device anymore. Delivery of events may or may not stop,
+ * depending on the number of users still outstanding.
+ */
+static inline void hid_hw_close(struct hid_device *hdev)
+{
+        hdev->ll_driver->close(hdev);
+}
+
+/**
+ * hid_hw_power - requests underlying HW to go into given power mode
+ *
+ * @hdev: hid device
+ * @level: requested power level (one of %PM_HINT_* defines)
+ *
+ * This function requests underlying hardware to enter requested power
+ * mode.
+ */
+
+static inline int hid_hw_power(struct hid_device *hdev, int level)
+{
+        return hdev->ll_driver->power ? hdev->ll_driver->power(hdev, level) : 0;
+}
+
 void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
                 int interrupt);
 
@@ -838,12 +885,32 @@ int hid_pidff_init(struct hid_device *hid);
 #define hid_pidff_init NULL
 #endif
 
-#define dbg_hid(format, arg...) if (hid_debug) \
-                                printk(KERN_DEBUG "%s: " format ,\
-                                __FILE__ , ## arg)
-#define err_hid(format, arg...) printk(KERN_ERR "%s: " format "\n" , \
-                __FILE__ , ## arg)
-#endif /* HID_FF */
+#define dbg_hid(format, arg...)                                         \
+do {                                                                    \
+        if (hid_debug)                                                  \
+                printk(KERN_DEBUG "%s: " format, __FILE__, ##arg);      \
+} while (0)
+
+#define hid_printk(level, hid, fmt, arg...)             \
+        dev_printk(level, &(hid)->dev, fmt, ##arg)
+#define hid_emerg(hid, fmt, arg...)                     \
+        dev_emerg(&(hid)->dev, fmt, ##arg)
+#define hid_crit(hid, fmt, arg...)                      \
+        dev_crit(&(hid)->dev, fmt, ##arg)
+#define hid_alert(hid, fmt, arg...)                     \
+        dev_alert(&(hid)->dev, fmt, ##arg)
+#define hid_err(hid, fmt, arg...)                       \
+        dev_err(&(hid)->dev, fmt, ##arg)
+#define hid_notice(hid, fmt, arg...)                    \
+        dev_notice(&(hid)->dev, fmt, ##arg)
+#define hid_warn(hid, fmt, arg...)                      \
+        dev_warn(&(hid)->dev, fmt, ##arg)
+#define hid_info(hid, fmt, arg...)                      \
+        dev_info(&(hid)->dev, fmt, ##arg)
+#define hid_dbg(hid, fmt, arg...)                       \
+        dev_dbg(&(hid)->dev, fmt, ##arg)
+
+#endif /* __KERNEL__ */
 
 #endif