* @keycodesize: size of elements in keycode table
* @keycode: map of scancodes to keycodes for this device
* @setkeycode: optional method to alter current keymap, used to implement
- * sparse keymaps. If not supplied default mechanism will be used
+ * sparse keymaps. If not supplied default mechanism will be used.
+ * The method is being called while holding event_lock and thus must
+ * not sleep
* @getkeycode: optional method to retrieve current keymap. If not supplied
- * default mechanism will be used
+ * default mechanism will be used. The method is being called while
+ * holding event_lock and thus must not sleep
* @ff: force feedback structure associated with the device if device
* supports force feedback effects
* @repeat_key: stores key code of the last key pressed; used to implement
int __must_check input_register_handler(struct input_handler *);
void input_unregister_handler(struct input_handler *);
+int input_handler_for_each_handle(struct input_handler *, void *data,
+ int (*fn)(struct input_handle *, void *));
+
int input_register_handle(struct input_handle *);
void input_unregister_handle(struct input_handle *);
* methods; erase() is optional. set_gain() and set_autocenter() need
* only be implemented if driver sets up FF_GAIN and FF_AUTOCENTER
* bits.
+ *
+ * Note that playback(), set_gain() and set_autocenter() are called with
+ * dev->event_lock spinlock held and interrupts off and thus may not
+ * sleep.
*/
struct ff_device {
int (*upload)(struct input_dev *dev, struct ff_effect *effect,