172 	int error;  in cyapa_get_state()  local
182 	error = cyapa_i2c_reg_read_block(cyapa, BL_HEAD_OFFSET, BL_STATUS_SIZE,  in cyapa_get_state()
190 	if (cyapa->smbus && (error == -ETIMEDOUT || error == -ENXIO)) {  in cyapa_get_state()
192 			error = cyapa_read_block(cyapa,  in cyapa_get_state()
197 	if (error != BL_STATUS_SIZE)  in cyapa_get_state()
198 		goto error;  in cyapa_get_state()
210 			error = cyapa_gen3_ops.state_parse(cyapa,  in cyapa_get_state()
212 			if (!error)  in cyapa_get_state()
218 			error = cyapa_pip_state_parse(cyapa,  in cyapa_get_state()
220 			if (!error)  in cyapa_get_state()
227 			error = cyapa_gen5_ops.state_parse(cyapa,  in cyapa_get_state()
229 			if (!error)  in cyapa_get_state()
240 			error = cyapa_i2c_write(cyapa, 0, 2, cmd);  in cyapa_get_state()
241 			if (error)  in cyapa_get_state()
242 				goto error;  in cyapa_get_state()
246 			error = cyapa_i2c_read(cyapa, BL_HEAD_OFFSET,  in cyapa_get_state()
248 			if (error)  in cyapa_get_state()
249 				goto error;  in cyapa_get_state()
253 	goto error;  in cyapa_get_state()
260 error:  in cyapa_get_state()
261 	return (error < 0) ? error : -EAGAIN;  in cyapa_get_state()
281 	int error;  in cyapa_poll_state()  local
285 		error = cyapa_get_state(cyapa);  in cyapa_poll_state()
286 		if (!error && cyapa->state > CYAPA_STATE_BL_BUSY)  in cyapa_poll_state()
292 	return (error == -EAGAIN || error == -ETIMEDOUT) ? -ETIMEDOUT : error;  in cyapa_poll_state()
313 	int error;  in cyapa_check_is_operational()  local
315 	error = cyapa_poll_state(cyapa, 4000);  in cyapa_check_is_operational()
316 	if (error)  in cyapa_check_is_operational()
317 		return error;  in cyapa_check_is_operational()
333 	error = cyapa->ops->operational_check(cyapa);  in cyapa_check_is_operational()
334 	if (!error && cyapa_is_operational_mode(cyapa))  in cyapa_check_is_operational()
339 	return error;  in cyapa_check_is_operational()
351 	int error;  in cyapa_detect()  local
353 	error = cyapa_check_is_operational(cyapa);  in cyapa_detect()
354 	if (error) {  in cyapa_detect()
355 		if (error != -ETIMEDOUT && error != -ENODEV &&  in cyapa_detect()
361 		dev_err(dev, "no device detected: %d\n", error);  in cyapa_detect()
362 		return error;  in cyapa_detect()
373 	int error;  in cyapa_open()  local
375 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_open()
376 	if (error)  in cyapa_open()
377 		return error;  in cyapa_open()
385 		error = cyapa->ops->set_power_mode(cyapa,  in cyapa_open()
387 		if (error) {  in cyapa_open()
388 			dev_warn(dev, "set active power failed: %d\n", error);  in cyapa_open()
392 		error = cyapa_reinitialize(cyapa);  in cyapa_open()
393 		if (error || !cyapa->operational) {  in cyapa_open()
394 			error = error ? error : -EAGAIN;  in cyapa_open()
410 	return error;  in cyapa_open()
437 	int error;  in cyapa_create_input_dev()  local
507 	error = input_mt_init_slots(input, CYAPA_MAX_MT_SLOTS,  in cyapa_create_input_dev()
509 	if (error) {  in cyapa_create_input_dev()
510 		dev_err(dev, "failed to initialize MT slots: %d\n", error);  in cyapa_create_input_dev()
511 		return error;  in cyapa_create_input_dev()
515 	error = input_register_device(input);  in cyapa_create_input_dev()
516 	if (error) {  in cyapa_create_input_dev()
517 		dev_err(dev, "failed to register input device: %d\n", error);  in cyapa_create_input_dev()
518 		return error;  in cyapa_create_input_dev()
592 	int error = 0;  in cyapa_initialize()  local
607 	error = cyapa_gen3_ops.initialize(cyapa);  in cyapa_initialize()
608 	if (!error)  in cyapa_initialize()
609 		error = cyapa_gen5_ops.initialize(cyapa);  in cyapa_initialize()
610 	if (!error)  in cyapa_initialize()
611 		error = cyapa_gen6_ops.initialize(cyapa);  in cyapa_initialize()
612 	if (error)  in cyapa_initialize()
613 		return error;  in cyapa_initialize()
615 	error = cyapa_detect(cyapa);  in cyapa_initialize()
616 	if (error)  in cyapa_initialize()
617 		return error;  in cyapa_initialize()
631 	int error;  in cyapa_reinitialize()  local
641 	error = cyapa_detect(cyapa);  in cyapa_reinitialize()
642 	if (error)  in cyapa_reinitialize()
646 		error = cyapa_create_input_dev(cyapa);  in cyapa_reinitialize()
647 		if (error) {  in cyapa_reinitialize()
649 					error);  in cyapa_reinitialize()
660 	} else if (!error && cyapa->operational) {  in cyapa_reinitialize()
673 	return error;  in cyapa_reinitialize()
680 	int error;  in cyapa_irq()  local
701 			error = cyapa->ops->irq_handler(cyapa);  in cyapa_irq()
717 		if (!cyapa->operational || error) {  in cyapa_irq()
746 	int error;  in cyapa_show_suspend_scanrate()  local
748 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_show_suspend_scanrate()
749 	if (error)  in cyapa_show_suspend_scanrate()
750 		return error;  in cyapa_show_suspend_scanrate()
783 	int error;  in cyapa_update_suspend_scanrate()  local
785 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_update_suspend_scanrate()
786 	if (error)  in cyapa_update_suspend_scanrate()
787 		return error;  in cyapa_update_suspend_scanrate()
832 	int error;  in cyapa_prepare_wakeup_controls()  local
835 		error = sysfs_merge_group(&dev->kobj,  in cyapa_prepare_wakeup_controls()
837 		if (error) {  in cyapa_prepare_wakeup_controls()
839 				error);  in cyapa_prepare_wakeup_controls()
840 			return error;  in cyapa_prepare_wakeup_controls()
843 		error = devm_add_action_or_reset(dev,  in cyapa_prepare_wakeup_controls()
845 		if (error) {  in cyapa_prepare_wakeup_controls()
847 				error);  in cyapa_prepare_wakeup_controls()
848 			return error;  in cyapa_prepare_wakeup_controls()
869 	int error;  in cyapa_show_rt_suspend_scanrate()  local
871 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_show_rt_suspend_scanrate()
872 	if (error)  in cyapa_show_rt_suspend_scanrate()
873 		return error;  in cyapa_show_rt_suspend_scanrate()
892 	int error;  in cyapa_update_rt_suspend_scanrate()  local
906 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_update_rt_suspend_scanrate()
907 	if (error)  in cyapa_update_rt_suspend_scanrate()
908 		return error;  in cyapa_update_rt_suspend_scanrate()
946 	int error;  in cyapa_start_runtime()  local
952 	error = sysfs_merge_group(&dev->kobj, &cyapa_power_runtime_group);  in cyapa_start_runtime()
953 	if (error) {  in cyapa_start_runtime()
955 			"failed to create power runtime group: %d\n", error);  in cyapa_start_runtime()
956 		return error;  in cyapa_start_runtime()
959 	error = devm_add_action_or_reset(dev, cyapa_remove_power_runtime_group,  in cyapa_start_runtime()
961 	if (error) {  in cyapa_start_runtime()
964 			error);  in cyapa_start_runtime()
965 		return error;  in cyapa_start_runtime()
985 	int error;  in cyapa_show_fm_ver()  local
988 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_show_fm_ver()
989 	if (error)  in cyapa_show_fm_ver()
990 		return error;  in cyapa_show_fm_ver()
991 	error = scnprintf(buf, PAGE_SIZE, "%d.%d\n", cyapa->fw_maj_ver,  in cyapa_show_fm_ver()
994 	return error;  in cyapa_show_fm_ver()
1002 	int error;  in cyapa_show_product_id()  local
1004 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_show_product_id()
1005 	if (error)  in cyapa_show_product_id()
1006 		return error;  in cyapa_show_product_id()
1016 	int error;  in cyapa_firmware()  local
1018 	error = request_firmware(&fw, fw_name, dev);  in cyapa_firmware()
1019 	if (error) {  in cyapa_firmware()
1021 			fw_name, error);  in cyapa_firmware()
1022 		return error;  in cyapa_firmware()
1025 	error = cyapa->ops->check_fw(cyapa, fw);  in cyapa_firmware()
1026 	if (error) {  in cyapa_firmware()
1042 	error = cyapa->ops->bl_enter(cyapa);  in cyapa_firmware()
1043 	if (error) {  in cyapa_firmware()
1044 		dev_err(dev, "bl_enter failed, %d\n", error);  in cyapa_firmware()
1048 	error = cyapa->ops->bl_activate(cyapa);  in cyapa_firmware()
1049 	if (error) {  in cyapa_firmware()
1050 		dev_err(dev, "bl_activate failed, %d\n", error);  in cyapa_firmware()
1054 	error = cyapa->ops->bl_initiate(cyapa, fw);  in cyapa_firmware()
1055 	if (error) {  in cyapa_firmware()
1056 		dev_err(dev, "bl_initiate failed, %d\n", error);  in cyapa_firmware()
1060 	error = cyapa->ops->update_fw(cyapa, fw);  in cyapa_firmware()
1061 	if (error) {  in cyapa_firmware()
1062 		dev_err(dev, "update_fw failed, %d\n", error);  in cyapa_firmware()
1072 	return error;  in cyapa_firmware()
1081 	int ret, error;  in cyapa_update_fw_store()  local
1104 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_update_fw_store()
1105 	if (error) {  in cyapa_update_fw_store()
1111 		return error;  in cyapa_update_fw_store()
1114 	error = cyapa_firmware(cyapa, fw_name);  in cyapa_update_fw_store()
1115 	if (error)  in cyapa_update_fw_store()
1116 		dev_err(dev, "firmware update failed: %d\n", error);  in cyapa_update_fw_store()
1127 		error = error ? error : ret;  in cyapa_update_fw_store()
1132 	return error ? error : count;  in cyapa_update_fw_store()
1140 	int error;  in cyapa_calibrate_store()  local
1142 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_calibrate_store()
1143 	if (error)  in cyapa_calibrate_store()
1144 		return error;  in cyapa_calibrate_store()
1148 		error = cyapa->ops->calibrate_store(dev, attr, buf, count);  in cyapa_calibrate_store()
1151 		error = -EBUSY;  /* Still running in bootloader mode. */  in cyapa_calibrate_store()
1155 	return error < 0 ? error : count;  in cyapa_calibrate_store()
1162 	ssize_t error;  in cyapa_show_baseline()  local
1164 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_show_baseline()
1165 	if (error)  in cyapa_show_baseline()
1166 		return error;  in cyapa_show_baseline()
1170 		error = cyapa->ops->show_baseline(dev, attr, buf);  in cyapa_show_baseline()
1173 		error = -EBUSY;  /* Still running in bootloader mode. */  in cyapa_show_baseline()
1177 	return error;  in cyapa_show_baseline()
1206 	int error;  in cyapa_show_mode()  local
1208 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_show_mode()
1209 	if (error)  in cyapa_show_mode()
1210 		return error;  in cyapa_show_mode()
1253 	int error;  in cyapa_probe()  local
1281 		error = PTR_ERR(cyapa->vcc);  in cyapa_probe()
1282 		dev_err(dev, "failed to get vcc regulator: %d\n", error);  in cyapa_probe()
1283 		return error;  in cyapa_probe()
1286 	error = regulator_enable(cyapa->vcc);  in cyapa_probe()
1287 	if (error) {  in cyapa_probe()
1288 		dev_err(dev, "failed to enable regulator: %d\n", error);  in cyapa_probe()
1289 		return error;  in cyapa_probe()
1292 	error = devm_add_action_or_reset(dev, cyapa_disable_regulator, cyapa);  in cyapa_probe()
1293 	if (error) {  in cyapa_probe()
1295 			error);  in cyapa_probe()
1296 		return error;  in cyapa_probe()
1299 	error = cyapa_initialize(cyapa);  in cyapa_probe()
1300 	if (error) {  in cyapa_probe()
1302 		return error;  in cyapa_probe()
1305 	error = devm_device_add_group(dev, &cyapa_sysfs_group);  in cyapa_probe()
1306 	if (error) {  in cyapa_probe()
1307 		dev_err(dev, "failed to create sysfs entries: %d\n", error);  in cyapa_probe()
1308 		return error;  in cyapa_probe()
1311 	error = cyapa_prepare_wakeup_controls(cyapa);  in cyapa_probe()
1312 	if (error) {  in cyapa_probe()
1313 		dev_err(dev, "failed to prepare wakeup controls: %d\n", error);  in cyapa_probe()
1314 		return error;  in cyapa_probe()
1317 	error = cyapa_start_runtime(cyapa);  in cyapa_probe()
1318 	if (error) {  in cyapa_probe()
1319 		dev_err(dev, "failed to start pm_runtime: %d\n", error);  in cyapa_probe()
1320 		return error;  in cyapa_probe()
1323 	error = devm_request_threaded_irq(dev, client->irq,  in cyapa_probe()
1327 	if (error) {  in cyapa_probe()
1328 		dev_err(dev, "failed to request threaded irq: %d\n", error);  in cyapa_probe()
1329 		return error;  in cyapa_probe()
1341 		error = cyapa_create_input_dev(cyapa);  in cyapa_probe()
1342 		if (error) {  in cyapa_probe()
1344 					error);  in cyapa_probe()
1345 			return error;  in cyapa_probe()
1357 	int error;  in cyapa_suspend()  local
1359 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_suspend()
1360 	if (error)  in cyapa_suspend()
1361 		return error;  in cyapa_suspend()
1379 		error = cyapa->ops->set_power_mode(cyapa, power_mode,  in cyapa_suspend()
1381 		if (error)  in cyapa_suspend()
1383 					error);  in cyapa_suspend()
1404 	int error;  in cyapa_resume()  local
1417 	error = cyapa_reinitialize(cyapa);  in cyapa_resume()
1418 	if (error)  in cyapa_resume()
1419 		dev_warn(dev, "failed to reinitialize TP device: %d\n", error);  in cyapa_resume()
1430 	int error;  in cyapa_runtime_suspend()  local
1432 	error = cyapa->ops->set_power_mode(cyapa,  in cyapa_runtime_suspend()
1436 	if (error)  in cyapa_runtime_suspend()
1437 		dev_warn(dev, "runtime suspend failed: %d\n", error);  in cyapa_runtime_suspend()
1445 	int error;  in cyapa_runtime_resume()  local
1447 	error = cyapa->ops->set_power_mode(cyapa,  in cyapa_runtime_resume()
1449 	if (error)  in cyapa_runtime_resume()
1450 		dev_warn(dev, "runtime resume failed: %d\n", error);  in cyapa_runtime_resume()