diff options
Diffstat (limited to 'include/linux/input.h')
| -rw-r--r-- | include/linux/input.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/include/linux/input.h b/include/linux/input.h index 89a0be6ee0e2..7d7cb0593a63 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -286,6 +286,10 @@ struct input_handle; * @start: starts handler for given handle. This function is called by * input core right after connect() method and also when a process * that "grabbed" a device releases it + * @passive_observer: set to %true by drivers only interested in observing + * data stream from devices if there are other users present. Such + * drivers will not result in starting underlying hardware device + * when input_open_device() is called for their handles * @legacy_minors: set to %true by drivers using legacy minor ranges * @minor: beginning of range of 32 legacy minors for devices this driver * can provide @@ -321,6 +325,7 @@ struct input_handler { void (*disconnect)(struct input_handle *handle); void (*start)(struct input_handle *handle); + bool passive_observer; bool legacy_minors; int minor; const char *name; @@ -339,12 +344,16 @@ struct input_handler { * @name: name given to the handle by handler that created it * @dev: input device the handle is attached to * @handler: handler that works with the device through this handle + * @handle_events: event sequence handler. It is set up by the input core + * according to event handling method specified in the @handler. See + * input_handle_setup_event_handler(). + * This method is being called by the input core with interrupts disabled + * and dev->event_lock spinlock held and so it may not sleep. * @d_node: used to put the handle on device's list of attached handles * @h_node: used to put the handle on handler's list of handles from which * it gets events */ struct input_handle { - void *private; int open; @@ -353,6 +362,10 @@ struct input_handle { struct input_dev *dev; struct input_handler *handler; + unsigned int (*handle_events)(struct input_handle *handle, + struct input_value *vals, + unsigned int count); + struct list_head d_node; struct list_head h_node; }; |