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()
436 	int error;  in cyapa_create_input_dev()  local
506 	error = input_mt_init_slots(input, CYAPA_MAX_MT_SLOTS,  in cyapa_create_input_dev()
508 	if (error) {  in cyapa_create_input_dev()
509 		dev_err(dev, "failed to initialize MT slots: %d\n", error);  in cyapa_create_input_dev()
510 		return error;  in cyapa_create_input_dev()
514 	error = input_register_device(input);  in cyapa_create_input_dev()
515 	if (error) {  in cyapa_create_input_dev()
516 		dev_err(dev, "failed to register input device: %d\n", error);  in cyapa_create_input_dev()
517 		return error;  in cyapa_create_input_dev()
591 	int error = 0;  in cyapa_initialize()  local
606 	error = cyapa_gen3_ops.initialize(cyapa);  in cyapa_initialize()
607 	if (!error)  in cyapa_initialize()
608 		error = cyapa_gen5_ops.initialize(cyapa);  in cyapa_initialize()
609 	if (!error)  in cyapa_initialize()
610 		error = cyapa_gen6_ops.initialize(cyapa);  in cyapa_initialize()
611 	if (error)  in cyapa_initialize()
612 		return error;  in cyapa_initialize()
614 	error = cyapa_detect(cyapa);  in cyapa_initialize()
615 	if (error)  in cyapa_initialize()
616 		return error;  in cyapa_initialize()
629 	int error;  in cyapa_reinitialize()  local
639 	error = cyapa_detect(cyapa);  in cyapa_reinitialize()
640 	if (error)  in cyapa_reinitialize()
644 		error = cyapa_create_input_dev(cyapa);  in cyapa_reinitialize()
645 		if (error) {  in cyapa_reinitialize()
647 					error);  in cyapa_reinitialize()
658 	} else if (!error && cyapa->operational) {  in cyapa_reinitialize()
671 	return error;  in cyapa_reinitialize()
678 	int error;  in cyapa_irq()  local
699 			error = cyapa->ops->irq_handler(cyapa);  in cyapa_irq()
715 		if (!cyapa->operational || error) {  in cyapa_irq()
744 	int error;  in cyapa_show_suspend_scanrate()  local
746 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_show_suspend_scanrate()
747 	if (error)  in cyapa_show_suspend_scanrate()
748 		return error;  in cyapa_show_suspend_scanrate()
781 	int error;  in cyapa_update_suspend_scanrate()  local
783 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_update_suspend_scanrate()
784 	if (error)  in cyapa_update_suspend_scanrate()
785 		return error;  in cyapa_update_suspend_scanrate()
830 	int error;  in cyapa_prepare_wakeup_controls()  local
833 		error = sysfs_merge_group(&client->dev.kobj,  in cyapa_prepare_wakeup_controls()
835 		if (error) {  in cyapa_prepare_wakeup_controls()
837 				error);  in cyapa_prepare_wakeup_controls()
838 			return error;  in cyapa_prepare_wakeup_controls()
841 		error = devm_add_action(dev,  in cyapa_prepare_wakeup_controls()
843 		if (error) {  in cyapa_prepare_wakeup_controls()
846 				error);  in cyapa_prepare_wakeup_controls()
847 			return error;  in cyapa_prepare_wakeup_controls()
868 	int error;  in cyapa_show_rt_suspend_scanrate()  local
870 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_show_rt_suspend_scanrate()
871 	if (error)  in cyapa_show_rt_suspend_scanrate()
872 		return error;  in cyapa_show_rt_suspend_scanrate()
891 	int error;  in cyapa_update_rt_suspend_scanrate()  local
905 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_update_rt_suspend_scanrate()
906 	if (error)  in cyapa_update_rt_suspend_scanrate()
907 		return error;  in cyapa_update_rt_suspend_scanrate()
945 	int error;  in cyapa_start_runtime()  local
951 	error = sysfs_merge_group(&dev->kobj, &cyapa_power_runtime_group);  in cyapa_start_runtime()
952 	if (error) {  in cyapa_start_runtime()
954 			"failed to create power runtime group: %d\n", error);  in cyapa_start_runtime()
955 		return error;  in cyapa_start_runtime()
958 	error = devm_add_action(dev, cyapa_remove_power_runtime_group, cyapa);  in cyapa_start_runtime()
959 	if (error) {  in cyapa_start_runtime()
963 			error);  in cyapa_start_runtime()
964 		return error;  in cyapa_start_runtime()
984 	int error;  in cyapa_show_fm_ver()  local
987 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_show_fm_ver()
988 	if (error)  in cyapa_show_fm_ver()
989 		return error;  in cyapa_show_fm_ver()
990 	error = scnprintf(buf, PAGE_SIZE, "%d.%d\n", cyapa->fw_maj_ver,  in cyapa_show_fm_ver()
993 	return error;  in cyapa_show_fm_ver()
1001 	int error;  in cyapa_show_product_id()  local
1003 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_show_product_id()
1004 	if (error)  in cyapa_show_product_id()
1005 		return error;  in cyapa_show_product_id()
1015 	int error;  in cyapa_firmware()  local
1017 	error = request_firmware(&fw, fw_name, dev);  in cyapa_firmware()
1018 	if (error) {  in cyapa_firmware()
1020 			fw_name, error);  in cyapa_firmware()
1021 		return error;  in cyapa_firmware()
1024 	error = cyapa->ops->check_fw(cyapa, fw);  in cyapa_firmware()
1025 	if (error) {  in cyapa_firmware()
1041 	error = cyapa->ops->bl_enter(cyapa);  in cyapa_firmware()
1042 	if (error) {  in cyapa_firmware()
1043 		dev_err(dev, "bl_enter failed, %d\n", error);  in cyapa_firmware()
1047 	error = cyapa->ops->bl_activate(cyapa);  in cyapa_firmware()
1048 	if (error) {  in cyapa_firmware()
1049 		dev_err(dev, "bl_activate failed, %d\n", error);  in cyapa_firmware()
1053 	error = cyapa->ops->bl_initiate(cyapa, fw);  in cyapa_firmware()
1054 	if (error) {  in cyapa_firmware()
1055 		dev_err(dev, "bl_initiate failed, %d\n", error);  in cyapa_firmware()
1059 	error = cyapa->ops->update_fw(cyapa, fw);  in cyapa_firmware()
1060 	if (error) {  in cyapa_firmware()
1061 		dev_err(dev, "update_fw failed, %d\n", error);  in cyapa_firmware()
1071 	return error;  in cyapa_firmware()
1080 	int ret, error;  in cyapa_update_fw_store()  local
1103 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_update_fw_store()
1104 	if (error) {  in cyapa_update_fw_store()
1110 		return error;  in cyapa_update_fw_store()
1113 	error = cyapa_firmware(cyapa, fw_name);  in cyapa_update_fw_store()
1114 	if (error)  in cyapa_update_fw_store()
1115 		dev_err(dev, "firmware update failed: %d\n", error);  in cyapa_update_fw_store()
1126 		error = error ? error : ret;  in cyapa_update_fw_store()
1131 	return error ? error : count;  in cyapa_update_fw_store()
1139 	int error;  in cyapa_calibrate_store()  local
1141 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_calibrate_store()
1142 	if (error)  in cyapa_calibrate_store()
1143 		return error;  in cyapa_calibrate_store()
1147 		error = cyapa->ops->calibrate_store(dev, attr, buf, count);  in cyapa_calibrate_store()
1150 		error = -EBUSY;  /* Still running in bootloader mode. */  in cyapa_calibrate_store()
1154 	return error < 0 ? error : count;  in cyapa_calibrate_store()
1161 	ssize_t error;  in cyapa_show_baseline()  local
1163 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_show_baseline()
1164 	if (error)  in cyapa_show_baseline()
1165 		return error;  in cyapa_show_baseline()
1169 		error = cyapa->ops->show_baseline(dev, attr, buf);  in cyapa_show_baseline()
1172 		error = -EBUSY;  /* Still running in bootloader mode. */  in cyapa_show_baseline()
1176 	return error;  in cyapa_show_baseline()
1205 	int error;  in cyapa_show_mode()  local
1207 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_show_mode()
1208 	if (error)  in cyapa_show_mode()
1209 		return error;  in cyapa_show_mode()
1260 	int error;  in cyapa_probe()  local
1288 		error = PTR_ERR(cyapa->vcc);  in cyapa_probe()
1289 		dev_err(dev, "failed to get vcc regulator: %d\n", error);  in cyapa_probe()
1290 		return error;  in cyapa_probe()
1293 	error = regulator_enable(cyapa->vcc);  in cyapa_probe()
1294 	if (error) {  in cyapa_probe()
1295 		dev_err(dev, "failed to enable regulator: %d\n", error);  in cyapa_probe()
1296 		return error;  in cyapa_probe()
1299 	error = devm_add_action(dev, cyapa_disable_regulator, cyapa);  in cyapa_probe()
1300 	if (error) {  in cyapa_probe()
1303 			error);  in cyapa_probe()
1304 		return error;  in cyapa_probe()
1307 	error = cyapa_initialize(cyapa);  in cyapa_probe()
1308 	if (error) {  in cyapa_probe()
1310 		return error;  in cyapa_probe()
1313 	error = sysfs_create_group(&client->dev.kobj, &cyapa_sysfs_group);  in cyapa_probe()
1314 	if (error) {  in cyapa_probe()
1315 		dev_err(dev, "failed to create sysfs entries: %d\n", error);  in cyapa_probe()
1316 		return error;  in cyapa_probe()
1319 	error = devm_add_action(dev, cyapa_remove_sysfs_group, cyapa);  in cyapa_probe()
1320 	if (error) {  in cyapa_probe()
1322 		dev_err(dev, "failed to add sysfs cleanup action: %d\n", error);  in cyapa_probe()
1323 		return error;  in cyapa_probe()
1326 	error = cyapa_prepare_wakeup_controls(cyapa);  in cyapa_probe()
1327 	if (error) {  in cyapa_probe()
1328 		dev_err(dev, "failed to prepare wakeup controls: %d\n", error);  in cyapa_probe()
1329 		return error;  in cyapa_probe()
1332 	error = cyapa_start_runtime(cyapa);  in cyapa_probe()
1333 	if (error) {  in cyapa_probe()
1334 		dev_err(dev, "failed to start pm_runtime: %d\n", error);  in cyapa_probe()
1335 		return error;  in cyapa_probe()
1338 	error = devm_request_threaded_irq(dev, client->irq,  in cyapa_probe()
1342 	if (error) {  in cyapa_probe()
1343 		dev_err(dev, "failed to request threaded irq: %d\n", error);  in cyapa_probe()
1344 		return error;  in cyapa_probe()
1356 		error = cyapa_create_input_dev(cyapa);  in cyapa_probe()
1357 		if (error) {  in cyapa_probe()
1359 					error);  in cyapa_probe()
1360 			return error;  in cyapa_probe()
1372 	int error;  in cyapa_suspend()  local
1374 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_suspend()
1375 	if (error)  in cyapa_suspend()
1376 		return error;  in cyapa_suspend()
1394 		error = cyapa->ops->set_power_mode(cyapa, power_mode,  in cyapa_suspend()
1396 		if (error)  in cyapa_suspend()
1398 					error);  in cyapa_suspend()
1419 	int error;  in cyapa_resume()  local
1432 	error = cyapa_reinitialize(cyapa);  in cyapa_resume()
1433 	if (error)  in cyapa_resume()
1434 		dev_warn(dev, "failed to reinitialize TP device: %d\n", error);  in cyapa_resume()
1445 	int error;  in cyapa_runtime_suspend()  local
1447 	error = cyapa->ops->set_power_mode(cyapa,  in cyapa_runtime_suspend()
1451 	if (error)  in cyapa_runtime_suspend()
1452 		dev_warn(dev, "runtime suspend failed: %d\n", error);  in cyapa_runtime_suspend()
1460 	int error;  in cyapa_runtime_resume()  local
1462 	error = cyapa->ops->set_power_mode(cyapa,  in cyapa_runtime_resume()
1464 	if (error)  in cyapa_runtime_resume()
1465 		dev_warn(dev, "runtime resume failed: %d\n", error);  in cyapa_runtime_resume()