250 	int ret;  in bmc150_accel_set_mode()  local
273 	ret = i2c_smbus_write_byte_data(data->client,  in bmc150_accel_set_mode()
275 	if (ret < 0) {  in bmc150_accel_set_mode()
277 		return ret;  in bmc150_accel_set_mode()
287 	int ret;  in bmc150_accel_set_bw()  local
292 			ret = i2c_smbus_write_byte_data(  in bmc150_accel_set_bw()
296 			if (ret < 0)  in bmc150_accel_set_bw()
297 				return ret;  in bmc150_accel_set_bw()
310 	int ret, val;  in bmc150_accel_update_slope()  local
312 	ret = i2c_smbus_write_byte_data(data->client, BMC150_ACCEL_REG_INT_6,  in bmc150_accel_update_slope()
314 	if (ret < 0) {  in bmc150_accel_update_slope()
316 		return ret;  in bmc150_accel_update_slope()
319 	ret = i2c_smbus_read_byte_data(data->client, BMC150_ACCEL_REG_INT_5);  in bmc150_accel_update_slope()
320 	if (ret < 0) {  in bmc150_accel_update_slope()
322 		return ret;  in bmc150_accel_update_slope()
325 	val = (ret & ~BMC150_ACCEL_SLOPE_DUR_MASK) | data->slope_dur;  in bmc150_accel_update_slope()
326 	ret = i2c_smbus_write_byte_data(data->client, BMC150_ACCEL_REG_INT_5,  in bmc150_accel_update_slope()
328 	if (ret < 0) {  in bmc150_accel_update_slope()
330 		return ret;  in bmc150_accel_update_slope()
336 	return ret;  in bmc150_accel_update_slope()
350 	int ret;  in bmc150_accel_chip_init()  local
352 	ret = i2c_smbus_read_byte_data(data->client, BMC150_ACCEL_REG_CHIP_ID);  in bmc150_accel_chip_init()
353 	if (ret < 0) {  in bmc150_accel_chip_init()
356 		return ret;  in bmc150_accel_chip_init()
359 	dev_dbg(&data->client->dev, "Chip Id %x\n", ret);  in bmc150_accel_chip_init()
360 	if (ret != data->chip_info->chip_id) {  in bmc150_accel_chip_init()
361 		dev_err(&data->client->dev, "Invalid chip %x\n", ret);  in bmc150_accel_chip_init()
365 	ret = bmc150_accel_set_mode(data, BMC150_ACCEL_SLEEP_MODE_NORMAL, 0);  in bmc150_accel_chip_init()
366 	if (ret < 0)  in bmc150_accel_chip_init()
367 		return ret;  in bmc150_accel_chip_init()
370 	ret = bmc150_accel_set_bw(data, BMC150_ACCEL_DEF_BW, 0);  in bmc150_accel_chip_init()
371 	if (ret < 0)  in bmc150_accel_chip_init()
372 		return ret;  in bmc150_accel_chip_init()
375 	ret = i2c_smbus_write_byte_data(data->client,  in bmc150_accel_chip_init()
378 	if (ret < 0) {  in bmc150_accel_chip_init()
381 		return ret;  in bmc150_accel_chip_init()
389 	ret = bmc150_accel_update_slope(data);  in bmc150_accel_chip_init()
390 	if (ret < 0)  in bmc150_accel_chip_init()
391 		return ret;  in bmc150_accel_chip_init()
394 	ret = i2c_smbus_write_byte_data(data->client,  in bmc150_accel_chip_init()
398 	if (ret < 0) {  in bmc150_accel_chip_init()
401 		return ret;  in bmc150_accel_chip_init()
438 	int ret;  in bmc150_accel_set_power_state()  local
441 		ret = pm_runtime_get_sync(&data->client->dev);  in bmc150_accel_set_power_state()
444 		ret = pm_runtime_put_autosuspend(&data->client->dev);  in bmc150_accel_set_power_state()
446 	if (ret < 0) {  in bmc150_accel_set_power_state()
452 		return ret;  in bmc150_accel_set_power_state()
506 	int ret;  in bmc150_accel_set_interrupt()  local
525 	ret = bmc150_accel_set_power_state(data, state);  in bmc150_accel_set_interrupt()
526 	if (ret < 0)  in bmc150_accel_set_interrupt()
527 		return ret;  in bmc150_accel_set_interrupt()
530 	ret = i2c_smbus_read_byte_data(data->client, info->map_reg);  in bmc150_accel_set_interrupt()
531 	if (ret < 0) {  in bmc150_accel_set_interrupt()
536 		ret |= info->map_bitmask;  in bmc150_accel_set_interrupt()
538 		ret &= ~info->map_bitmask;  in bmc150_accel_set_interrupt()
540 	ret = i2c_smbus_write_byte_data(data->client, info->map_reg,  in bmc150_accel_set_interrupt()
541 					ret);  in bmc150_accel_set_interrupt()
542 	if (ret < 0) {  in bmc150_accel_set_interrupt()
548 	ret = i2c_smbus_read_byte_data(data->client, info->en_reg);  in bmc150_accel_set_interrupt()
549 	if (ret < 0) {  in bmc150_accel_set_interrupt()
555 		ret |= info->en_bitmask;  in bmc150_accel_set_interrupt()
557 		ret &= ~info->en_bitmask;  in bmc150_accel_set_interrupt()
559 	ret = i2c_smbus_write_byte_data(data->client, info->en_reg, ret);  in bmc150_accel_set_interrupt()
560 	if (ret < 0) {  in bmc150_accel_set_interrupt()
574 	return ret;  in bmc150_accel_set_interrupt()
580 	int ret, i;  in bmc150_accel_set_scale()  local
584 			ret = i2c_smbus_write_byte_data(  in bmc150_accel_set_scale()
588 			if (ret < 0) {  in bmc150_accel_set_scale()
591 				return ret;  in bmc150_accel_set_scale()
604 	int ret;  in bmc150_accel_get_temp()  local
608 	ret = i2c_smbus_read_byte_data(data->client, BMC150_ACCEL_REG_TEMP);  in bmc150_accel_get_temp()
609 	if (ret < 0) {  in bmc150_accel_get_temp()
612 		return ret;  in bmc150_accel_get_temp()
614 	*val = sign_extend32(ret, 7);  in bmc150_accel_get_temp()
625 	int ret;  in bmc150_accel_get_axis()  local
629 	ret = bmc150_accel_set_power_state(data, true);  in bmc150_accel_get_axis()
630 	if (ret < 0) {  in bmc150_accel_get_axis()
632 		return ret;  in bmc150_accel_get_axis()
635 	ret = i2c_smbus_read_word_data(data->client,  in bmc150_accel_get_axis()
637 	if (ret < 0) {  in bmc150_accel_get_axis()
641 		return ret;  in bmc150_accel_get_axis()
643 	*val = sign_extend32(ret >> chan->scan_type.shift,  in bmc150_accel_get_axis()
645 	ret = bmc150_accel_set_power_state(data, false);  in bmc150_accel_get_axis()
647 	if (ret < 0)  in bmc150_accel_get_axis()
648 		return ret;  in bmc150_accel_get_axis()
658 	int ret;  in bmc150_accel_read_raw()  local
705 		ret = bmc150_accel_get_bw(data, val, val2);  in bmc150_accel_read_raw()
707 		return ret;  in bmc150_accel_read_raw()
718 	int ret;  in bmc150_accel_write_raw()  local
723 		ret = bmc150_accel_set_bw(data, val, val2);  in bmc150_accel_write_raw()
731 		ret = bmc150_accel_set_scale(data, val2);  in bmc150_accel_write_raw()
733 		return ret;  in bmc150_accel_write_raw()
735 		ret = -EINVAL;  in bmc150_accel_write_raw()
738 	return ret;  in bmc150_accel_write_raw()
809 	int ret;  in bmc150_accel_write_event_config()  local
816 	ret = bmc150_accel_set_interrupt(data, BMC150_ACCEL_INT_ANY_MOTION,  in bmc150_accel_write_event_config()
818 	if (ret < 0) {  in bmc150_accel_write_event_config()
820 		return ret;  in bmc150_accel_write_event_config()
912 	int ret = -EIO;  in bmc150_accel_fifo_transfer()  local
930 		ret = i2c_transfer(client->adapter, msg, 2);  in bmc150_accel_fifo_transfer()
931 		if (ret != 2)  in bmc150_accel_fifo_transfer()
932 			ret = -EIO;  in bmc150_accel_fifo_transfer()
934 			ret = 0;  in bmc150_accel_fifo_transfer()
939 			ret = i2c_smbus_read_i2c_block_data(client,  in bmc150_accel_fifo_transfer()
942 			if (ret != step) {  in bmc150_accel_fifo_transfer()
943 				ret = -EIO;  in bmc150_accel_fifo_transfer()
947 			ret = 0;  in bmc150_accel_fifo_transfer()
951 	if (ret)  in bmc150_accel_fifo_transfer()
954 	return ret;  in bmc150_accel_fifo_transfer()
961 	int ret, i;  in __bmc150_accel_fifo_flush()  local
966 	ret = i2c_smbus_read_byte_data(data->client,  in __bmc150_accel_fifo_flush()
968 	if (ret < 0) {  in __bmc150_accel_fifo_flush()
970 		return ret;  in __bmc150_accel_fifo_flush()
973 	count = ret & 0x7F;  in __bmc150_accel_fifo_flush()
1012 	ret = bmc150_accel_fifo_transfer(data->client, (u8 *)buffer, count);  in __bmc150_accel_fifo_flush()
1013 	if (ret)  in __bmc150_accel_fifo_flush()
1014 		return ret;  in __bmc150_accel_fifo_flush()
1042 	int ret;  in bmc150_accel_fifo_flush()  local
1045 	ret = __bmc150_accel_fifo_flush(indio_dev, samples, false);  in bmc150_accel_fifo_flush()
1048 	return ret;  in bmc150_accel_fifo_flush()
1209 	int bit, ret, i = 0;  in bmc150_accel_trigger_handler()  local
1214 		ret = i2c_smbus_read_word_data(data->client,  in bmc150_accel_trigger_handler()
1216 		if (ret < 0) {  in bmc150_accel_trigger_handler()
1220 		data->buffer[i++] = ret;  in bmc150_accel_trigger_handler()
1236 	int ret;  in bmc150_accel_trig_try_reen()  local
1244 	ret = i2c_smbus_write_byte_data(data->client,  in bmc150_accel_trig_try_reen()
1249 	if (ret < 0) {  in bmc150_accel_trig_try_reen()
1252 		return ret;  in bmc150_accel_trig_try_reen()
1263 	int ret;  in bmc150_accel_trigger_set_state()  local
1273 		ret = t->setup(t, state);  in bmc150_accel_trigger_set_state()
1274 		if (ret < 0) {  in bmc150_accel_trigger_set_state()
1276 			return ret;  in bmc150_accel_trigger_set_state()
1280 	ret = bmc150_accel_set_interrupt(data, t->intr, state);  in bmc150_accel_trigger_set_state()
1281 	if (ret < 0) {  in bmc150_accel_trigger_set_state()
1283 		return ret;  in bmc150_accel_trigger_set_state()
1290 	return ret;  in bmc150_accel_trigger_set_state()
1303 	int ret;  in bmc150_accel_handle_roc_event()  local
1305 	ret = i2c_smbus_read_byte_data(data->client,  in bmc150_accel_handle_roc_event()
1307 	if (ret < 0) {  in bmc150_accel_handle_roc_event()
1309 		return ret;  in bmc150_accel_handle_roc_event()
1312 	if (ret & BMC150_ACCEL_ANY_MOTION_BIT_SIGN)  in bmc150_accel_handle_roc_event()
1317 	if (ret & BMC150_ACCEL_ANY_MOTION_BIT_X)  in bmc150_accel_handle_roc_event()
1324 	if (ret & BMC150_ACCEL_ANY_MOTION_BIT_Y)  in bmc150_accel_handle_roc_event()
1331 	if (ret & BMC150_ACCEL_ANY_MOTION_BIT_Z)  in bmc150_accel_handle_roc_event()
1338 	return ret;  in bmc150_accel_handle_roc_event()
1346 	int ret;  in bmc150_accel_irq_thread_handler()  local
1351 		ret = __bmc150_accel_fifo_flush(indio_dev,  in bmc150_accel_irq_thread_handler()
1353 		if (ret > 0)  in bmc150_accel_irq_thread_handler()
1358 		ret = bmc150_accel_handle_roc_event(indio_dev);  in bmc150_accel_irq_thread_handler()
1359 		if (ret > 0)  in bmc150_accel_irq_thread_handler()
1364 		ret = i2c_smbus_write_byte_data(data->client,  in bmc150_accel_irq_thread_handler()
1368 		if (ret)  in bmc150_accel_irq_thread_handler()
1370 		ret = IRQ_HANDLED;  in bmc150_accel_irq_thread_handler()
1372 		ret = IRQ_NONE;  in bmc150_accel_irq_thread_handler()
1377 	return ret;  in bmc150_accel_irq_thread_handler()
1426 	int ret;  in bmc150_accel_gpio_probe()  local
1440 	ret = gpiod_to_irq(gpio);  in bmc150_accel_gpio_probe()
1442 	dev_dbg(dev, "GPIO resource, no:%d irq:%d\n", desc_to_gpio(gpio), ret);  in bmc150_accel_gpio_probe()
1444 	return ret;  in bmc150_accel_gpio_probe()
1479 	int i, ret;  in bmc150_accel_triggers_setup()  local
1489 			ret = -ENOMEM;  in bmc150_accel_triggers_setup()
1500 		ret = iio_trigger_register(t->indio_trig);  in bmc150_accel_triggers_setup()
1501 		if (ret)  in bmc150_accel_triggers_setup()
1505 	if (ret)  in bmc150_accel_triggers_setup()
1508 	return ret;  in bmc150_accel_triggers_setup()
1518 	int ret;  in bmc150_accel_fifo_set_mode()  local
1520 	ret = i2c_smbus_write_byte_data(data->client, reg, data->fifo_mode);  in bmc150_accel_fifo_set_mode()
1521 	if (ret < 0) {  in bmc150_accel_fifo_set_mode()
1523 		return ret;  in bmc150_accel_fifo_set_mode()
1529 	ret = i2c_smbus_write_byte_data(data->client,  in bmc150_accel_fifo_set_mode()
1532 	if (ret < 0)  in bmc150_accel_fifo_set_mode()
1535 	return ret;  in bmc150_accel_fifo_set_mode()
1541 	int ret = 0;  in bmc150_accel_buffer_postenable()  local
1551 	ret = bmc150_accel_set_interrupt(data, BMC150_ACCEL_INT_WATERMARK,  in bmc150_accel_buffer_postenable()
1553 	if (ret)  in bmc150_accel_buffer_postenable()
1558 	ret = bmc150_accel_fifo_set_mode(data);  in bmc150_accel_buffer_postenable()
1559 	if (ret) {  in bmc150_accel_buffer_postenable()
1568 	return ret;  in bmc150_accel_buffer_postenable()
1604 	int ret;  in bmc150_accel_probe()  local
1626 	ret = bmc150_accel_chip_init(data);  in bmc150_accel_probe()
1627 	if (ret < 0)  in bmc150_accel_probe()
1628 		return ret;  in bmc150_accel_probe()
1643 		ret = devm_request_threaded_irq(  in bmc150_accel_probe()
1650 		if (ret)  in bmc150_accel_probe()
1651 			return ret;  in bmc150_accel_probe()
1659 		ret = i2c_smbus_write_byte_data(data->client,  in bmc150_accel_probe()
1662 		if (ret < 0) {  in bmc150_accel_probe()
1664 			return ret;  in bmc150_accel_probe()
1669 		ret = bmc150_accel_triggers_setup(indio_dev, data);  in bmc150_accel_probe()
1670 		if (ret)  in bmc150_accel_probe()
1671 			return ret;  in bmc150_accel_probe()
1673 		ret = iio_triggered_buffer_setup(indio_dev,  in bmc150_accel_probe()
1677 		if (ret < 0) {  in bmc150_accel_probe()
1692 	ret = iio_device_register(indio_dev);  in bmc150_accel_probe()
1693 	if (ret < 0) {  in bmc150_accel_probe()
1698 	ret = pm_runtime_set_active(&client->dev);  in bmc150_accel_probe()
1699 	if (ret)  in bmc150_accel_probe()
1717 	return ret;  in bmc150_accel_probe()
1773 	int ret;  in bmc150_accel_runtime_suspend()  local
1776 	ret = bmc150_accel_set_mode(data, BMC150_ACCEL_SLEEP_MODE_SUSPEND, 0);  in bmc150_accel_runtime_suspend()
1777 	if (ret < 0)  in bmc150_accel_runtime_suspend()
1787 	int ret;  in bmc150_accel_runtime_resume()  local
1792 	ret = bmc150_accel_set_mode(data, BMC150_ACCEL_SLEEP_MODE_NORMAL, 0);  in bmc150_accel_runtime_resume()
1793 	if (ret < 0)  in bmc150_accel_runtime_resume()
1794 		return ret;  in bmc150_accel_runtime_resume()
1795 	ret = bmc150_accel_fifo_set_mode(data);  in bmc150_accel_runtime_resume()
1796 	if (ret < 0)  in bmc150_accel_runtime_resume()
1797 		return ret;  in bmc150_accel_runtime_resume()