107 struct appleir {  struct
151 static void key_up(struct hid_device *hid, struct appleir *appleir, int key)  in key_up()  argument
153 	input_report_key(appleir->input_dev, key, 0);  in key_up()
154 	input_sync(appleir->input_dev);  in key_up()
157 static void key_down(struct hid_device *hid, struct appleir *appleir, int key)  in key_down()  argument
159 	input_report_key(appleir->input_dev, key, 1);  in key_down()
160 	input_sync(appleir->input_dev);  in key_down()
163 static void battery_flat(struct appleir *appleir)  in battery_flat()  argument
165 	dev_err(&appleir->input_dev->dev, "possible flat battery?\n");  in battery_flat()
170 	struct appleir *appleir = from_timer(appleir, t, key_up_timer);  in key_up_tick()  local
171 	struct hid_device *hid = appleir->hid;  in key_up_tick()
174 	spin_lock_irqsave(&appleir->lock, flags);  in key_up_tick()
175 	if (appleir->current_key) {  in key_up_tick()
176 		key_up(hid, appleir, appleir->current_key);  in key_up_tick()
177 		appleir->current_key = 0;  in key_up_tick()
179 	spin_unlock_irqrestore(&appleir->lock, flags);  in key_up_tick()
185 	struct appleir *appleir = hid_get_drvdata(hid);  in appleir_raw_event()  local
197 		spin_lock_irqsave(&appleir->lock, flags);  in appleir_raw_event()
202 		if (appleir->current_key)  in appleir_raw_event()
203 			key_up(hid, appleir, appleir->current_key);  in appleir_raw_event()
206 		if (appleir->prev_key_idx > 0)  in appleir_raw_event()
207 			index = appleir->prev_key_idx;  in appleir_raw_event()
212 			appleir->current_key = appleir->keymap[index];  in appleir_raw_event()
214 			key_down(hid, appleir, appleir->current_key);  in appleir_raw_event()
220 			mod_timer(&appleir->key_up_timer, jiffies + HZ / 8);  in appleir_raw_event()
221 			appleir->prev_key_idx = 0;  in appleir_raw_event()
224 			appleir->prev_key_idx = -index;  in appleir_raw_event()
225 		spin_unlock_irqrestore(&appleir->lock, flags);  in appleir_raw_event()
229 	appleir->prev_key_idx = 0;  in appleir_raw_event()
232 		key_down(hid, appleir, appleir->current_key);  in appleir_raw_event()
237 		mod_timer(&appleir->key_up_timer, jiffies + HZ / 8);  in appleir_raw_event()
242 		battery_flat(appleir);  in appleir_raw_event()
255 	struct appleir *appleir = hid_get_drvdata(hid);  in appleir_input_configured()  local
258 	appleir->input_dev = input_dev;  in appleir_input_configured()
260 	input_dev->keycode = appleir->keymap;  in appleir_input_configured()
262 	input_dev->keycodemax = ARRAY_SIZE(appleir->keymap);  in appleir_input_configured()
266 	memcpy(appleir->keymap, appleir_key_table, sizeof(appleir->keymap));  in appleir_input_configured()
268 		set_bit(appleir->keymap[i], input_dev->keybit);  in appleir_input_configured()
284 	struct appleir *appleir;  in appleir_probe()  local
286 	appleir = devm_kzalloc(&hid->dev, sizeof(struct appleir), GFP_KERNEL);  in appleir_probe()
287 	if (!appleir)  in appleir_probe()
290 	appleir->hid = hid;  in appleir_probe()
295 	spin_lock_init(&appleir->lock);  in appleir_probe()
296 	timer_setup(&appleir->key_up_timer, key_up_tick, 0);  in appleir_probe()
298 	hid_set_drvdata(hid, appleir);  in appleir_probe()
314 	devm_kfree(&hid->dev, appleir);  in appleir_probe()
320 	struct appleir *appleir = hid_get_drvdata(hid);  in appleir_remove()  local
322 	del_timer_sync(&appleir->key_up_timer);  in appleir_remove()