172 static int sis_ts_report_contact(struct sis_ts_data *ts, const u8 *data, u8 id)  in sis_ts_report_contact()  argument
174 	struct input_dev *input = ts->input;  in sis_ts_report_contact()
182 		dev_err(&ts->client->dev, "Unexpected touch status: %#02x\n",  in sis_ts_report_contact()
223 static void sis_ts_handle_packet(struct sis_ts_data *ts)  in sis_ts_handle_packet()  argument
234 		error = sis_read_packet(ts->client, ts->packet,  in sis_ts_handle_packet()
242 			dev_err(&ts->client->dev,  in sis_ts_handle_packet()
248 		report_id = ts->packet[SIS_PKT_REPORT_OFFSET];  in sis_ts_handle_packet()
249 		contact = &ts->packet[SIS_PKT_CONTACT_OFFSET];  in sis_ts_handle_packet()
253 			error = sis_ts_report_contact(ts, contact, report_id);  in sis_ts_handle_packet()
272 	input_mt_sync_frame(ts->input);  in sis_ts_handle_packet()
273 	input_sync(ts->input);  in sis_ts_handle_packet()
278 	struct sis_ts_data *ts = dev_id;  in sis_ts_irq_handler()  local
281 		sis_ts_handle_packet(ts);  in sis_ts_irq_handler()
282 	} while (ts->attn_gpio && gpiod_get_value_cansleep(ts->attn_gpio));  in sis_ts_irq_handler()
287 static void sis_ts_reset(struct sis_ts_data *ts)  in sis_ts_reset()  argument
289 	if (ts->reset_gpio) {  in sis_ts_reset()
292 		gpiod_set_value(ts->reset_gpio, 1);  in sis_ts_reset()
294 		gpiod_set_value(ts->reset_gpio, 0);  in sis_ts_reset()
301 	struct sis_ts_data *ts;  in sis_ts_probe()  local
305 	ts = devm_kzalloc(&client->dev, sizeof(*ts), GFP_KERNEL);  in sis_ts_probe()
306 	if (!ts)  in sis_ts_probe()
309 	ts->client = client;  in sis_ts_probe()
311 	ts->attn_gpio = devm_gpiod_get_optional(&client->dev,  in sis_ts_probe()
313 	if (IS_ERR(ts->attn_gpio))  in sis_ts_probe()
314 		return dev_err_probe(&client->dev, PTR_ERR(ts->attn_gpio),  in sis_ts_probe()
317 	ts->reset_gpio = devm_gpiod_get_optional(&client->dev,  in sis_ts_probe()
319 	if (IS_ERR(ts->reset_gpio))  in sis_ts_probe()
320 		return dev_err_probe(&client->dev, PTR_ERR(ts->reset_gpio),  in sis_ts_probe()
323 	sis_ts_reset(ts);  in sis_ts_probe()
325 	ts->input = input = devm_input_allocate_device(&client->dev);  in sis_ts_probe()
352 					  client->name, ts);  in sis_ts_probe()
358 	error = input_register_device(ts->input);  in sis_ts_probe()