87 	int error;  in silead_ts_request_input_dev()  local
111 	error = input_register_device(data->input);  in silead_ts_request_input_dev()
112 	if (error) {  in silead_ts_request_input_dev()
113 		dev_err(dev, "Failed to register input device: %d\n", error);  in silead_ts_request_input_dev()
114 		return error;  in silead_ts_request_input_dev()
137 	int touch_nr, softbutton, error, i;  in silead_ts_read_data()  local
140 	error = i2c_smbus_read_i2c_block_data(client, SILEAD_REG_DATA,  in silead_ts_read_data()
142 	if (error < 0) {  in silead_ts_read_data()
143 		dev_err(dev, "Data read error %d\n", error);  in silead_ts_read_data()
203 	int error;  in silead_ts_init()  local
205 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_RESET,  in silead_ts_init()
207 	if (error)  in silead_ts_init()
211 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_TOUCH_NR,  in silead_ts_init()
213 	if (error)  in silead_ts_init()
217 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_CLOCK,  in silead_ts_init()
219 	if (error)  in silead_ts_init()
223 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_RESET,  in silead_ts_init()
225 	if (error)  in silead_ts_init()
232 	dev_err(&client->dev, "Registers clear error %d\n", error);  in silead_ts_init()
233 	return error;  in silead_ts_init()
238 	int error;  in silead_ts_reset()  local
240 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_RESET,  in silead_ts_reset()
242 	if (error)  in silead_ts_reset()
246 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_CLOCK,  in silead_ts_reset()
248 	if (error)  in silead_ts_reset()
252 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_POWER,  in silead_ts_reset()
254 	if (error)  in silead_ts_reset()
261 	dev_err(&client->dev, "Chip reset error %d\n", error);  in silead_ts_reset()
262 	return error;  in silead_ts_reset()
267 	int error;  in silead_ts_startup()  local
269 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_RESET, 0x00);  in silead_ts_startup()
270 	if (error) {  in silead_ts_startup()
271 		dev_err(&client->dev, "Startup error %d\n", error);  in silead_ts_startup()
272 		return error;  in silead_ts_startup()
287 	int error;  in silead_ts_load_fw()  local
291 	error = firmware_request_platform(&fw, data->fw_name, dev);  in silead_ts_load_fw()
292 	if (error) {  in silead_ts_load_fw()
293 		dev_err(dev, "Firmware request error %d\n", error);  in silead_ts_load_fw()
294 		return error;  in silead_ts_load_fw()
301 		error = i2c_smbus_write_i2c_block_data(client,  in silead_ts_load_fw()
305 		if (error) {  in silead_ts_load_fw()
306 			dev_err(dev, "Firmware load error %d\n", error);  in silead_ts_load_fw()
312 	return error ?: 0;  in silead_ts_load_fw()
317 	int error;  in silead_ts_get_status()  local
320 	error = i2c_smbus_read_i2c_block_data(client, SILEAD_REG_STATUS,  in silead_ts_get_status()
322 	if (error < 0) {  in silead_ts_get_status()
323 		dev_err(&client->dev, "Status read error %d\n", error);  in silead_ts_get_status()
324 		return error;  in silead_ts_get_status()
334 	int error;  in silead_ts_get_id()  local
336 	error = i2c_smbus_read_i2c_block_data(client, SILEAD_REG_ID,  in silead_ts_get_id()
338 	if (error < 0) {  in silead_ts_get_id()
339 		dev_err(&client->dev, "Chip ID read error %d\n", error);  in silead_ts_get_id()
340 		return error;  in silead_ts_get_id()
351 	int error;  in silead_ts_setup()  local
357 	error = silead_ts_get_id(client);  in silead_ts_setup()
358 	if (error)  in silead_ts_setup()
359 		return error;  in silead_ts_setup()
361 	error = silead_ts_init(client);  in silead_ts_setup()
362 	if (error)  in silead_ts_setup()
363 		return error;  in silead_ts_setup()
365 	error = silead_ts_reset(client);  in silead_ts_setup()
366 	if (error)  in silead_ts_setup()
367 		return error;  in silead_ts_setup()
369 	error = silead_ts_load_fw(client);  in silead_ts_setup()
370 	if (error)  in silead_ts_setup()
371 		return error;  in silead_ts_setup()
373 	error = silead_ts_startup(client);  in silead_ts_setup()
374 	if (error)  in silead_ts_setup()
375 		return error;  in silead_ts_setup()
380 			"Initialization error, status: 0x%X\n", status);  in silead_ts_setup()
402 	int error;  in silead_ts_read_props()  local
404 	error = device_property_read_u32(dev, "silead,max-fingers",  in silead_ts_read_props()
406 	if (error) {  in silead_ts_read_props()
407 		dev_dbg(dev, "Max fingers read error %d\n", error);  in silead_ts_read_props()
411 	error = device_property_read_string(dev, "firmware-name", &str);  in silead_ts_read_props()
412 	if (!error)  in silead_ts_read_props()
416 		dev_dbg(dev, "Firmware file name read error. Using default.");  in silead_ts_read_props()
466 	int error;  in silead_ts_probe()  local
483 	error = silead_ts_set_default_fw_name(data, id);  in silead_ts_probe()
484 	if (error)  in silead_ts_probe()
485 		return error;  in silead_ts_probe()
495 	error = devm_regulator_bulk_get(dev, ARRAY_SIZE(data->regulators),  in silead_ts_probe()
497 	if (error)  in silead_ts_probe()
498 		return error;  in silead_ts_probe()
504 	error = regulator_bulk_enable(ARRAY_SIZE(data->regulators),  in silead_ts_probe()
506 	if (error)  in silead_ts_probe()
507 		return error;  in silead_ts_probe()
509 	error = devm_add_action_or_reset(dev, silead_disable_regulator, data);  in silead_ts_probe()
510 	if (error)  in silead_ts_probe()
511 		return error;  in silead_ts_probe()
521 	error = silead_ts_setup(client);  in silead_ts_probe()
522 	if (error)  in silead_ts_probe()
523 		return error;  in silead_ts_probe()
525 	error = silead_ts_request_input_dev(data);  in silead_ts_probe()
526 	if (error)  in silead_ts_probe()
527 		return error;  in silead_ts_probe()
529 	error = devm_request_threaded_irq(dev, client->irq,  in silead_ts_probe()
532 	if (error) {  in silead_ts_probe()
533 		if (error != -EPROBE_DEFER)  in silead_ts_probe()
534 			dev_err(dev, "IRQ request failed %d\n", error);  in silead_ts_probe()
535 		return error;  in silead_ts_probe()
554 	int error, status;  in silead_ts_resume()  local
559 	error = silead_ts_reset(client);  in silead_ts_resume()
560 	if (error)  in silead_ts_resume()
561 		return error;  in silead_ts_resume()
564 		error = silead_ts_load_fw(client);  in silead_ts_resume()
565 		if (error)  in silead_ts_resume()
566 			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()
580 		dev_err(dev, "Resume error, status: 0x%02x\n", status);  in silead_ts_resume()