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HID: add dynids facility

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Allow adding new devices to the hid drivers on the fly without
a need of kernel recompilation.

Now, one can test a driver e.g. by:
echo 0003:045E:00F0.0003 > ../generic-usb/unbind
echo 0003 045E 00F0 > new_id
from some driver subdir.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Jiri Slaby
2008-11-24 16:20:09 +01:00
committed by Jiri Kosina
parent 898089d08f
commit 3a6f82f7a2
2 changed files with 103 additions and 3 deletions
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5
include/linux/hid.h
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@@ -531,6 +531,8 @@ struct hid_usage_id {
* @name: driver name (e.g. "Footech_bar-wheel")
* @id_table: which devices is this driver for (must be non-NULL for probe
* to be called)
* @dyn_list: list of dynamically added device ids
* @dyn_lock: lock protecting @dyn_list
* @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)
@@ -558,6 +560,9 @@ struct hid_driver {
char *name;
const struct hid_device_id *id_table;
struct list_head dyn_list;
spinlock_t dyn_lock;
int (*probe)(struct hid_device *dev, const struct hid_device_id *id);
void (*remove)(struct hid_device *dev);