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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-02-28 23:55:20 -0800 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-02-28 23:55:20 -0800 |
commit | 35858adbfca13678af99fb31618ef4428d6dedb0 (patch) | |
tree | 3336feaa61324486945816cb52c347733e7c0821 /include/linux/input.h | |
parent | 197d4db752e67160d79fed09968c2140376a80a3 (diff) | |
parent | 4b70858ba8d4537daf782defebe5f2ff80ccef2b (diff) | |
download | lwn-35858adbfca13678af99fb31618ef4428d6dedb0.tar.gz lwn-35858adbfca13678af99fb31618ef4428d6dedb0.zip |
Merge branch 'next' into for-linus
Diffstat (limited to 'include/linux/input.h')
-rw-r--r-- | include/linux/input.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/include/linux/input.h b/include/linux/input.h index 663208afb64c..889a4801f7be 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -378,7 +378,7 @@ struct input_absinfo { #define KEY_WIMAX 246 #define KEY_RFKILL 247 /* Key that controls all radios */ -/* Range 248 - 255 is reserved for special needs of AT keyboard driver */ +/* Code 255 is reserved for special needs of AT keyboard driver */ #define BTN_MISC 0x100 #define BTN_0 0x100 @@ -597,6 +597,7 @@ struct input_absinfo { #define KEY_NUMERIC_POUND 0x20b #define KEY_CAMERA_FOCUS 0x210 +#define KEY_WPS_BUTTON 0x211 /* WiFi Protected Setup key */ /* We avoid low common keys in module aliases so they don't get huge. */ #define KEY_MIN_INTERESTING KEY_MUTE @@ -1200,6 +1201,10 @@ struct input_handle; * @event: event handler. This method is being called by input core with * interrupts disabled and dev->event_lock spinlock held and so * it may not sleep + * @filter: similar to @event; separates normal event handlers from + * "filters". + * @match: called after comparing device's id with handler's id_table + * to perform fine-grained matching between device and handler * @connect: called when attaching a handler to an input device * @disconnect: disconnects a handler from input device * @start: starts handler for given handle. This function is called by @@ -1211,8 +1216,6 @@ struct input_handle; * @name: name of the handler, to be shown in /proc/bus/input/handlers * @id_table: pointer to a table of input_device_ids this driver can * handle - * @blacklist: pointer to a table of input_device_ids this driver should - * ignore even if they match @id_table * @h_list: list of input handles associated with the handler * @node: for placing the driver onto input_handler_list * @@ -1221,6 +1224,11 @@ struct input_handle; * same time. All of them will get their copy of input event generated by * the device. * + * The very same structure is used to implement input filters. Input core + * allows filters to run first and will not pass event to regular handlers + * if any of the filters indicate that the event should be filtered (by + * returning %true from their filter() method). + * * Note that input core serializes calls to connect() and disconnect() * methods. */ @@ -1229,6 +1237,8 @@ struct input_handler { void *private; void (*event)(struct input_handle *handle, unsigned int type, unsigned int code, int value); + bool (*filter)(struct input_handle *handle, unsigned int type, unsigned int code, int value); + bool (*match)(struct input_handler *handler, struct input_dev *dev); int (*connect)(struct input_handler *handler, struct input_dev *dev, const struct input_device_id *id); void (*disconnect)(struct input_handle *handle); void (*start)(struct input_handle *handle); @@ -1238,7 +1248,6 @@ struct input_handler { const char *name; const struct input_device_id *id_table; - const struct input_device_id *blacklist; struct list_head h_list; struct list_head node; |