drivers/hid/hid-appleir.c

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