95 	int error;  in silead_ts_request_input_dev()  local
119 	error = input_register_device(data->input);  in silead_ts_request_input_dev()
120 	if (error) {  in silead_ts_request_input_dev()
121 		dev_err(dev, "Failed to register input device: %d\n", error);  in silead_ts_request_input_dev()
122 		return error;  in silead_ts_request_input_dev()
145 	int touch_nr, softbutton, error, i;  in silead_ts_read_data()  local
148 	error = i2c_smbus_read_i2c_block_data(client, SILEAD_REG_DATA,  in silead_ts_read_data()
150 	if (error < 0) {  in silead_ts_read_data()
151 		dev_err(dev, "Data read error %d\n", error);  in silead_ts_read_data()
211 	int error;  in silead_ts_init()  local
213 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_RESET,  in silead_ts_init()
215 	if (error)  in silead_ts_init()
219 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_TOUCH_NR,  in silead_ts_init()
221 	if (error)  in silead_ts_init()
225 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_CLOCK,  in silead_ts_init()
227 	if (error)  in silead_ts_init()
231 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_RESET,  in silead_ts_init()
233 	if (error)  in silead_ts_init()
240 	dev_err(&client->dev, "Registers clear error %d\n", error);  in silead_ts_init()
241 	return error;  in silead_ts_init()
246 	int error;  in silead_ts_reset()  local
248 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_RESET,  in silead_ts_reset()
250 	if (error)  in silead_ts_reset()
254 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_CLOCK,  in silead_ts_reset()
256 	if (error)  in silead_ts_reset()
260 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_POWER,  in silead_ts_reset()
262 	if (error)  in silead_ts_reset()
269 	dev_err(&client->dev, "Chip reset error %d\n", error);  in silead_ts_reset()
270 	return error;  in silead_ts_reset()
275 	int error;  in silead_ts_startup()  local
277 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_RESET, 0x00);  in silead_ts_startup()
278 	if (error) {  in silead_ts_startup()
279 		dev_err(&client->dev, "Startup error %d\n", error);  in silead_ts_startup()
280 		return error;  in silead_ts_startup()
295 	int error;  in silead_ts_load_fw()  local
299 	error = request_firmware(&fw, data->fw_name, dev);  in silead_ts_load_fw()
300 	if (error) {  in silead_ts_load_fw()
301 		dev_err(dev, "Firmware request error %d\n", error);  in silead_ts_load_fw()
302 		return error;  in silead_ts_load_fw()
309 		error = i2c_smbus_write_i2c_block_data(client,  in silead_ts_load_fw()
313 		if (error) {  in silead_ts_load_fw()
314 			dev_err(dev, "Firmware load error %d\n", error);  in silead_ts_load_fw()
320 	return error ?: 0;  in silead_ts_load_fw()
325 	int error;  in silead_ts_get_status()  local
328 	error = i2c_smbus_read_i2c_block_data(client, SILEAD_REG_STATUS,  in silead_ts_get_status()
330 	if (error < 0) {  in silead_ts_get_status()
331 		dev_err(&client->dev, "Status read error %d\n", error);  in silead_ts_get_status()
332 		return error;  in silead_ts_get_status()
342 	int error;  in silead_ts_get_id()  local
344 	error = i2c_smbus_read_i2c_block_data(client, SILEAD_REG_ID,  in silead_ts_get_id()
346 	if (error < 0) {  in silead_ts_get_id()
347 		dev_err(&client->dev, "Chip ID read error %d\n", error);  in silead_ts_get_id()
348 		return error;  in silead_ts_get_id()
359 	int error;  in silead_ts_setup()  local
365 	error = silead_ts_get_id(client);  in silead_ts_setup()
366 	if (error)  in silead_ts_setup()
367 		return error;  in silead_ts_setup()
369 	error = silead_ts_init(client);  in silead_ts_setup()
370 	if (error)  in silead_ts_setup()
371 		return error;  in silead_ts_setup()
373 	error = silead_ts_reset(client);  in silead_ts_setup()
374 	if (error)  in silead_ts_setup()
375 		return error;  in silead_ts_setup()
377 	error = silead_ts_load_fw(client);  in silead_ts_setup()
378 	if (error)  in silead_ts_setup()
379 		return error;  in silead_ts_setup()
381 	error = silead_ts_startup(client);  in silead_ts_setup()
382 	if (error)  in silead_ts_setup()
383 		return error;  in silead_ts_setup()
410 	int error;  in silead_ts_read_props()  local
412 	error = device_property_read_u32(dev, "silead,max-fingers",  in silead_ts_read_props()
414 	if (error) {  in silead_ts_read_props()
415 		dev_dbg(dev, "Max fingers read error %d\n", error);  in silead_ts_read_props()
419 	error = device_property_read_string(dev, "firmware-name", &str);  in silead_ts_read_props()
420 	if (!error)  in silead_ts_read_props()
474 	int error;  in silead_ts_probe()  local
491 	error = silead_ts_set_default_fw_name(data, id);  in silead_ts_probe()
492 	if (error)  in silead_ts_probe()
493 		return error;  in silead_ts_probe()
503 	error = devm_regulator_bulk_get(dev, ARRAY_SIZE(data->regulators),  in silead_ts_probe()
505 	if (error)  in silead_ts_probe()
506 		return error;  in silead_ts_probe()
512 	error = regulator_bulk_enable(ARRAY_SIZE(data->regulators),  in silead_ts_probe()
514 	if (error)  in silead_ts_probe()
515 		return error;  in silead_ts_probe()
517 	error = devm_add_action_or_reset(dev, silead_disable_regulator, data);  in silead_ts_probe()
518 	if (error)  in silead_ts_probe()
519 		return error;  in silead_ts_probe()
529 	error = silead_ts_setup(client);  in silead_ts_probe()
530 	if (error)  in silead_ts_probe()
531 		return error;  in silead_ts_probe()
533 	error = silead_ts_request_input_dev(data);  in silead_ts_probe()
534 	if (error)  in silead_ts_probe()
535 		return error;  in silead_ts_probe()
537 	error = devm_request_threaded_irq(dev, client->irq,  in silead_ts_probe()
540 	if (error) {  in silead_ts_probe()
541 		if (error != -EPROBE_DEFER)  in silead_ts_probe()
542 			dev_err(dev, "IRQ request failed %d\n", error);  in silead_ts_probe()
543 		return error;  in silead_ts_probe()
561 	int error, status;  in silead_ts_resume()  local
565 	error = silead_ts_reset(client);  in silead_ts_resume()
566 	if (error)  in silead_ts_resume()
567 		return error;  in silead_ts_resume()
569 	error = silead_ts_startup(client);  in silead_ts_resume()
570 	if (error)  in silead_ts_resume()
571 		return error;  in silead_ts_resume()