148 	int error;  in cyapa_get_state()  local
158 	error = cyapa_i2c_reg_read_block(cyapa, BL_HEAD_OFFSET, BL_STATUS_SIZE,  in cyapa_get_state()
166 	if (cyapa->smbus && (error == -ETIMEDOUT || error == -ENXIO)) {  in cyapa_get_state()
168 			error = cyapa_read_block(cyapa,  in cyapa_get_state()
173 	if (error != BL_STATUS_SIZE)  in cyapa_get_state()
174 		goto error;  in cyapa_get_state()
186 			error = cyapa_gen3_ops.state_parse(cyapa,  in cyapa_get_state()
188 			if (!error)  in cyapa_get_state()
194 			error = cyapa_gen5_ops.state_parse(cyapa,  in cyapa_get_state()
196 			if (!error)  in cyapa_get_state()
207 			error = cyapa_i2c_write(cyapa, 0, 2, cmd);  in cyapa_get_state()
208 			if (error)  in cyapa_get_state()
209 				goto error;  in cyapa_get_state()
213 			error = cyapa_i2c_read(cyapa, BL_HEAD_OFFSET,  in cyapa_get_state()
215 			if (error)  in cyapa_get_state()
216 				goto error;  in cyapa_get_state()
220 	goto error;  in cyapa_get_state()
227 error:  in cyapa_get_state()
228 	return (error < 0) ? error : -EAGAIN;  in cyapa_get_state()
248 	int error;  in cyapa_poll_state()  local
252 		error = cyapa_get_state(cyapa);  in cyapa_poll_state()
253 		if (!error && cyapa->state > CYAPA_STATE_BL_BUSY)  in cyapa_poll_state()
259 	return (error == -EAGAIN || error == -ETIMEDOUT) ? -ETIMEDOUT : error;  in cyapa_poll_state()
280 	int error;  in cyapa_check_is_operational()  local
282 	error = cyapa_poll_state(cyapa, 4000);  in cyapa_check_is_operational()
283 	if (error)  in cyapa_check_is_operational()
284 		return error;  in cyapa_check_is_operational()
297 	error = cyapa->ops->operational_check(cyapa);  in cyapa_check_is_operational()
298 	if (!error && cyapa_is_operational_mode(cyapa))  in cyapa_check_is_operational()
303 	return error;  in cyapa_check_is_operational()
315 	int error;  in cyapa_detect()  local
317 	error = cyapa_check_is_operational(cyapa);  in cyapa_detect()
318 	if (error) {  in cyapa_detect()
319 		if (error != -ETIMEDOUT && error != -ENODEV &&  in cyapa_detect()
325 		dev_err(dev, "no device detected: %d\n", error);  in cyapa_detect()
326 		return error;  in cyapa_detect()
336 	int error;  in cyapa_open()  local
338 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_open()
339 	if (error)  in cyapa_open()
340 		return error;  in cyapa_open()
348 		error = cyapa->ops->set_power_mode(cyapa,  in cyapa_open()
350 		if (error) {  in cyapa_open()
352 				"set active power failed: %d\n", error);  in cyapa_open()
356 		error = cyapa_reinitialize(cyapa);  in cyapa_open()
357 		if (error || !cyapa->operational) {  in cyapa_open()
358 			error = error ? error : -EAGAIN;  in cyapa_open()
370 	return error;  in cyapa_open()
395 	int error;  in cyapa_create_input_dev()  local
464 	error = input_mt_init_slots(input, CYAPA_MAX_MT_SLOTS,  in cyapa_create_input_dev()
466 	if (error) {  in cyapa_create_input_dev()
467 		dev_err(dev, "failed to initialize MT slots: %d\n", error);  in cyapa_create_input_dev()
468 		return error;  in cyapa_create_input_dev()
472 	error = input_register_device(input);  in cyapa_create_input_dev()
473 	if (error) {  in cyapa_create_input_dev()
474 		dev_err(dev, "failed to register input device: %d\n", error);  in cyapa_create_input_dev()
475 		return error;  in cyapa_create_input_dev()
548 	int error = 0;  in cyapa_initialize()  local
563 	error = cyapa_gen3_ops.initialize(cyapa);  in cyapa_initialize()
564 	if (!error)  in cyapa_initialize()
565 		error = cyapa_gen5_ops.initialize(cyapa);  in cyapa_initialize()
566 	if (error)  in cyapa_initialize()
567 		return error;  in cyapa_initialize()
569 	error = cyapa_detect(cyapa);  in cyapa_initialize()
570 	if (error)  in cyapa_initialize()
571 		return error;  in cyapa_initialize()
584 	int error;  in cyapa_reinitialize()  local
593 	error = cyapa_detect(cyapa);  in cyapa_reinitialize()
594 	if (error)  in cyapa_reinitialize()
598 		error = cyapa_create_input_dev(cyapa);  in cyapa_reinitialize()
599 		if (error) {  in cyapa_reinitialize()
601 					error);  in cyapa_reinitialize()
611 	} else if (!error && cyapa->operational) {  in cyapa_reinitialize()
620 	return error;  in cyapa_reinitialize()
678 	int error;  in cyapa_show_suspend_scanrate()  local
680 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_show_suspend_scanrate()
681 	if (error)  in cyapa_show_suspend_scanrate()
682 		return error;  in cyapa_show_suspend_scanrate()
715 	int error;  in cyapa_update_suspend_scanrate()  local
717 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_update_suspend_scanrate()
718 	if (error)  in cyapa_update_suspend_scanrate()
719 		return error;  in cyapa_update_suspend_scanrate()
764 	int error;  in cyapa_prepare_wakeup_controls()  local
767 		error = sysfs_merge_group(&client->dev.kobj,  in cyapa_prepare_wakeup_controls()
769 		if (error) {  in cyapa_prepare_wakeup_controls()
771 				error);  in cyapa_prepare_wakeup_controls()
772 			return error;  in cyapa_prepare_wakeup_controls()
775 		error = devm_add_action(dev,  in cyapa_prepare_wakeup_controls()
777 		if (error) {  in cyapa_prepare_wakeup_controls()
780 				error);  in cyapa_prepare_wakeup_controls()
781 			return error;  in cyapa_prepare_wakeup_controls()
802 	int error;  in cyapa_show_rt_suspend_scanrate()  local
804 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_show_rt_suspend_scanrate()
805 	if (error)  in cyapa_show_rt_suspend_scanrate()
806 		return error;  in cyapa_show_rt_suspend_scanrate()
825 	int error;  in cyapa_update_rt_suspend_scanrate()  local
839 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_update_rt_suspend_scanrate()
840 	if (error)  in cyapa_update_rt_suspend_scanrate()
841 		return error;  in cyapa_update_rt_suspend_scanrate()
879 	int error;  in cyapa_start_runtime()  local
885 	error = sysfs_merge_group(&dev->kobj, &cyapa_power_runtime_group);  in cyapa_start_runtime()
886 	if (error) {  in cyapa_start_runtime()
888 			"failed to create power runtime group: %d\n", error);  in cyapa_start_runtime()
889 		return error;  in cyapa_start_runtime()
892 	error = devm_add_action(dev, cyapa_remove_power_runtime_group, cyapa);  in cyapa_start_runtime()
893 	if (error) {  in cyapa_start_runtime()
897 			error);  in cyapa_start_runtime()
898 		return error;  in cyapa_start_runtime()
918 	int error;  in cyapa_show_fm_ver()  local
921 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_show_fm_ver()
922 	if (error)  in cyapa_show_fm_ver()
923 		return error;  in cyapa_show_fm_ver()
924 	error = scnprintf(buf, PAGE_SIZE, "%d.%d\n", cyapa->fw_maj_ver,  in cyapa_show_fm_ver()
927 	return error;  in cyapa_show_fm_ver()
935 	int error;  in cyapa_show_product_id()  local
937 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_show_product_id()
938 	if (error)  in cyapa_show_product_id()
939 		return error;  in cyapa_show_product_id()
949 	int error;  in cyapa_firmware()  local
951 	error = request_firmware(&fw, fw_name, dev);  in cyapa_firmware()
952 	if (error) {  in cyapa_firmware()
954 			fw_name, error);  in cyapa_firmware()
955 		return error;  in cyapa_firmware()
958 	error = cyapa->ops->check_fw(cyapa, fw);  in cyapa_firmware()
959 	if (error) {  in cyapa_firmware()
975 	error = cyapa->ops->bl_enter(cyapa);  in cyapa_firmware()
976 	if (error) {  in cyapa_firmware()
977 		dev_err(dev, "bl_enter failed, %d\n", error);  in cyapa_firmware()
981 	error = cyapa->ops->bl_activate(cyapa);  in cyapa_firmware()
982 	if (error) {  in cyapa_firmware()
983 		dev_err(dev, "bl_activate failed, %d\n", error);  in cyapa_firmware()
987 	error = cyapa->ops->bl_initiate(cyapa, fw);  in cyapa_firmware()
988 	if (error) {  in cyapa_firmware()
989 		dev_err(dev, "bl_initiate failed, %d\n", error);  in cyapa_firmware()
993 	error = cyapa->ops->update_fw(cyapa, fw);  in cyapa_firmware()
994 	if (error) {  in cyapa_firmware()
995 		dev_err(dev, "update_fw failed, %d\n", error);  in cyapa_firmware()
1005 	return error;  in cyapa_firmware()
1014 	int ret, error;  in cyapa_update_fw_store()  local
1037 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_update_fw_store()
1038 	if (error) {  in cyapa_update_fw_store()
1044 		return error;  in cyapa_update_fw_store()
1047 	error = cyapa_firmware(cyapa, fw_name);  in cyapa_update_fw_store()
1048 	if (error)  in cyapa_update_fw_store()
1049 		dev_err(dev, "firmware update failed: %d\n", error);  in cyapa_update_fw_store()
1060 		error = error ? error : ret;  in cyapa_update_fw_store()
1065 	return error ? error : count;  in cyapa_update_fw_store()
1073 	int error;  in cyapa_calibrate_store()  local
1075 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_calibrate_store()
1076 	if (error)  in cyapa_calibrate_store()
1077 		return error;  in cyapa_calibrate_store()
1081 		error = cyapa->ops->calibrate_store(dev, attr, buf, count);  in cyapa_calibrate_store()
1084 		error = -EBUSY;  /* Still running in bootloader mode. */  in cyapa_calibrate_store()
1088 	return error < 0 ? error : count;  in cyapa_calibrate_store()
1095 	ssize_t error;  in cyapa_show_baseline()  local
1097 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_show_baseline()
1098 	if (error)  in cyapa_show_baseline()
1099 		return error;  in cyapa_show_baseline()
1103 		error = cyapa->ops->show_baseline(dev, attr, buf);  in cyapa_show_baseline()
1106 		error = -EBUSY;  /* Still running in bootloader mode. */  in cyapa_show_baseline()
1110 	return error;  in cyapa_show_baseline()
1137 	int error;  in cyapa_show_mode()  local
1139 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_show_mode()
1140 	if (error)  in cyapa_show_mode()
1141 		return error;  in cyapa_show_mode()
1185 	int error;  in cyapa_probe()  local
1211 	error = cyapa_initialize(cyapa);  in cyapa_probe()
1212 	if (error) {  in cyapa_probe()
1214 		return error;  in cyapa_probe()
1217 	error = sysfs_create_group(&client->dev.kobj, &cyapa_sysfs_group);  in cyapa_probe()
1218 	if (error) {  in cyapa_probe()
1219 		dev_err(dev, "failed to create sysfs entries: %d\n", error);  in cyapa_probe()
1220 		return error;  in cyapa_probe()
1223 	error = devm_add_action(dev, cyapa_remove_sysfs_group, cyapa);  in cyapa_probe()
1224 	if (error) {  in cyapa_probe()
1226 		dev_err(dev, "failed to add sysfs cleanup action: %d\n", error);  in cyapa_probe()
1227 		return error;  in cyapa_probe()
1230 	error = cyapa_prepare_wakeup_controls(cyapa);  in cyapa_probe()
1231 	if (error) {  in cyapa_probe()
1232 		dev_err(dev, "failed to prepare wakeup controls: %d\n", error);  in cyapa_probe()
1233 		return error;  in cyapa_probe()
1236 	error = cyapa_start_runtime(cyapa);  in cyapa_probe()
1237 	if (error) {  in cyapa_probe()
1238 		dev_err(dev, "failed to start pm_runtime: %d\n", error);  in cyapa_probe()
1239 		return error;  in cyapa_probe()
1242 	error = devm_request_threaded_irq(dev, client->irq,  in cyapa_probe()
1246 	if (error) {  in cyapa_probe()
1247 		dev_err(dev, "failed to request threaded irq: %d\n", error);  in cyapa_probe()
1248 		return error;  in cyapa_probe()
1260 		error = cyapa_create_input_dev(cyapa);  in cyapa_probe()
1261 		if (error) {  in cyapa_probe()
1263 					error);  in cyapa_probe()
1264 			return error;  in cyapa_probe()
1276 	int error;  in cyapa_suspend()  local
1278 	error = mutex_lock_interruptible(&cyapa->state_sync_lock);  in cyapa_suspend()
1279 	if (error)  in cyapa_suspend()
1280 		return error;  in cyapa_suspend()
1298 		error = cyapa->ops->set_power_mode(cyapa, power_mode,  in cyapa_suspend()
1300 		if (error)  in cyapa_suspend()
1302 					error);  in cyapa_suspend()
1316 	int error;  in cyapa_resume()  local
1326 	error = cyapa_reinitialize(cyapa);  in cyapa_resume()
1327 	if (error)  in cyapa_resume()
1328 		dev_warn(dev, "failed to reinitialize TP device: %d\n", error);  in cyapa_resume()
1339 	int error;  in cyapa_runtime_suspend()  local
1341 	error = cyapa->ops->set_power_mode(cyapa,  in cyapa_runtime_suspend()
1344 	if (error)  in cyapa_runtime_suspend()
1345 		dev_warn(dev, "runtime suspend failed: %d\n", error);  in cyapa_runtime_suspend()
1353 	int error;  in cyapa_runtime_resume()  local
1355 	error = cyapa->ops->set_power_mode(cyapa, PWR_MODE_FULL_ACTIVE, 0);  in cyapa_runtime_resume()
1356 	if (error)  in cyapa_runtime_resume()
1357 		dev_warn(dev, "runtime resume failed: %d\n", error);  in cyapa_runtime_resume()