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-rw-r--r--include/linux/hid.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 83df331576a5..39cdeb205caa 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -672,6 +672,7 @@ struct hid_usage_id {
* to be called)
* @dyn_list: list of dynamically added device ids
* @dyn_lock: lock protecting @dyn_list
+ * @match: check if the given device is handled by this driver
* @probe: new device inserted
* @remove: device removed (NULL if not a hot-plug capable driver)
* @report_table: on which reports to call raw_event (NULL means all)
@@ -684,6 +685,8 @@ struct hid_usage_id {
* @input_mapped: invoked on input registering after mapping an usage
* @input_configured: invoked just before the device is registered
* @feature_mapping: invoked on feature registering
+ * @bus_add_driver: invoked when a HID driver is about to be added
+ * @bus_removed_driver: invoked when a HID driver has been removed
* @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)
@@ -712,6 +715,7 @@ struct hid_driver {
struct list_head dyn_list;
spinlock_t dyn_lock;
+ bool (*match)(struct hid_device *dev, bool ignore_special_driver);
int (*probe)(struct hid_device *dev, const struct hid_device_id *id);
void (*remove)(struct hid_device *dev);
@@ -737,6 +741,8 @@ struct hid_driver {
void (*feature_mapping)(struct hid_device *hdev,
struct hid_field *field,
struct hid_usage *usage);
+ void (*bus_add_driver)(struct hid_driver *driver);
+ void (*bus_removed_driver)(struct hid_driver *driver);
#ifdef CONFIG_PM
int (*suspend)(struct hid_device *hdev, pm_message_t message);
int (*resume)(struct hid_device *hdev);
@@ -815,6 +821,8 @@ extern bool hid_ignore(struct hid_device *);
extern int hid_add_device(struct hid_device *);
extern void hid_destroy_device(struct hid_device *);
+extern struct bus_type hid_bus_type;
+
extern int __must_check __hid_register_driver(struct hid_driver *,
struct module *, const char *mod_name);
@@ -865,6 +873,8 @@ bool hid_match_one_id(const struct hid_device *hdev,
const struct hid_device_id *id);
const struct hid_device_id *hid_match_id(const struct hid_device *hdev,
const struct hid_device_id *id);
+const struct hid_device_id *hid_match_device(struct hid_device *hdev,
+ struct hid_driver *hdrv);
s32 hid_snto32(__u32 value, unsigned n);
__u32 hid_field_extract(const struct hid_device *hid, __u8 *report,
unsigned offset, unsigned n);