146 static int mma8452_drdy(struct mma8452_data *data)  in mma8452_drdy()  argument
151 		int ret = i2c_smbus_read_byte_data(data->client,  in mma8452_drdy()
161 	dev_err(&data->client->dev, "data not ready\n");  in mma8452_drdy()
166 static int mma8452_read(struct mma8452_data *data, __be16 buf[3])  in mma8452_read()  argument
168 	int ret = mma8452_drdy(data);  in mma8452_read()
173 	return i2c_smbus_read_i2c_block_data(data->client, MMA8452_OUT_X,  in mma8452_read()
202 static int mma8452_get_odr_index(struct mma8452_data *data)  in mma8452_get_odr_index()  argument
204 	return (data->ctrl_reg1 & MMA8452_CTRL_DR_MASK) >>  in mma8452_get_odr_index()
249 	struct mma8452_data *data = iio_priv(i2c_get_clientdata(  in mma8452_show_scale_avail()  local
252 	return mma8452_show_int_plus_micros(buf, data->chip_info->mma_scales,  in mma8452_show_scale_avail()
253 		ARRAY_SIZE(data->chip_info->mma_scales));  in mma8452_show_scale_avail()
261 	struct mma8452_data *data = iio_priv(indio_dev);  in mma8452_show_hp_cutoff_avail()  local
262 	int i = mma8452_get_odr_index(data);  in mma8452_show_hp_cutoff_avail()
274 static int mma8452_get_samp_freq_index(struct mma8452_data *data,  in mma8452_get_samp_freq_index()  argument
282 static int mma8452_get_scale_index(struct mma8452_data *data, int val, int val2)  in mma8452_get_scale_index()  argument
284 	return mma8452_get_int_plus_micros_index(data->chip_info->mma_scales,  in mma8452_get_scale_index()
285 			ARRAY_SIZE(data->chip_info->mma_scales), val, val2);  in mma8452_get_scale_index()
288 static int mma8452_get_hp_filter_index(struct mma8452_data *data,  in mma8452_get_hp_filter_index()  argument
291 	int i = mma8452_get_odr_index(data);  in mma8452_get_hp_filter_index()
297 static int mma8452_read_hp_filter(struct mma8452_data *data, int *hz, int *uHz)  in mma8452_read_hp_filter()  argument
301 	ret = i2c_smbus_read_byte_data(data->client, MMA8452_HP_FILTER_CUTOFF);  in mma8452_read_hp_filter()
305 	i = mma8452_get_odr_index(data);  in mma8452_read_hp_filter()
317 	struct mma8452_data *data = iio_priv(indio_dev);  in mma8452_read_raw()  local
326 		mutex_lock(&data->lock);  in mma8452_read_raw()
327 		ret = mma8452_read(data, buffer);  in mma8452_read_raw()
328 		mutex_unlock(&data->lock);  in mma8452_read_raw()
338 		i = data->data_cfg & MMA8452_DATA_CFG_FS_MASK;  in mma8452_read_raw()
339 		*val = data->chip_info->mma_scales[i][0];  in mma8452_read_raw()
340 		*val2 = data->chip_info->mma_scales[i][1];  in mma8452_read_raw()
344 		i = mma8452_get_odr_index(data);  in mma8452_read_raw()
350 		ret = i2c_smbus_read_byte_data(data->client,  in mma8452_read_raw()
359 		if (data->data_cfg & MMA8452_DATA_CFG_HPF_MASK) {  in mma8452_read_raw()
360 			ret = mma8452_read_hp_filter(data, val, val2);  in mma8452_read_raw()
374 static int mma8452_standby(struct mma8452_data *data)  in mma8452_standby()  argument
376 	return i2c_smbus_write_byte_data(data->client, MMA8452_CTRL_REG1,  in mma8452_standby()
377 					data->ctrl_reg1 & ~MMA8452_CTRL_ACTIVE);  in mma8452_standby()
380 static int mma8452_active(struct mma8452_data *data)  in mma8452_active()  argument
382 	return i2c_smbus_write_byte_data(data->client, MMA8452_CTRL_REG1,  in mma8452_active()
383 					 data->ctrl_reg1);  in mma8452_active()
386 static int mma8452_change_config(struct mma8452_data *data, u8 reg, u8 val)  in mma8452_change_config()  argument
390 	mutex_lock(&data->lock);  in mma8452_change_config()
393 	ret = mma8452_standby(data);  in mma8452_change_config()
397 	ret = i2c_smbus_write_byte_data(data->client, reg, val);  in mma8452_change_config()
401 	ret = mma8452_active(data);  in mma8452_change_config()
407 	mutex_unlock(&data->lock);  in mma8452_change_config()
412 static int mma8452_set_hp_filter_frequency(struct mma8452_data *data,  in mma8452_set_hp_filter_frequency()  argument
417 	i = mma8452_get_hp_filter_index(data, val, val2);  in mma8452_set_hp_filter_frequency()
421 	reg = i2c_smbus_read_byte_data(data->client,  in mma8452_set_hp_filter_frequency()
429 	return mma8452_change_config(data, MMA8452_HP_FILTER_CUTOFF, reg);  in mma8452_set_hp_filter_frequency()
436 	struct mma8452_data *data = iio_priv(indio_dev);  in mma8452_write_raw()  local
444 		i = mma8452_get_samp_freq_index(data, val, val2);  in mma8452_write_raw()
448 		data->ctrl_reg1 &= ~MMA8452_CTRL_DR_MASK;  in mma8452_write_raw()
449 		data->ctrl_reg1 |= i << MMA8452_CTRL_DR_SHIFT;  in mma8452_write_raw()
451 		return mma8452_change_config(data, MMA8452_CTRL_REG1,  in mma8452_write_raw()
452 					     data->ctrl_reg1);  in mma8452_write_raw()
454 		i = mma8452_get_scale_index(data, val, val2);  in mma8452_write_raw()
458 		data->data_cfg &= ~MMA8452_DATA_CFG_FS_MASK;  in mma8452_write_raw()
459 		data->data_cfg |= i;  in mma8452_write_raw()
461 		return mma8452_change_config(data, MMA8452_DATA_CFG,  in mma8452_write_raw()
462 					     data->data_cfg);  in mma8452_write_raw()
467 		return mma8452_change_config(data,  in mma8452_write_raw()
473 			data->data_cfg &= ~MMA8452_DATA_CFG_HPF_MASK;  in mma8452_write_raw()
475 			data->data_cfg |= MMA8452_DATA_CFG_HPF_MASK;  in mma8452_write_raw()
476 			ret = mma8452_set_hp_filter_frequency(data, val, val2);  in mma8452_write_raw()
481 		return mma8452_change_config(data, MMA8452_DATA_CFG,  in mma8452_write_raw()
482 					     data->data_cfg);  in mma8452_write_raw()
496 	struct mma8452_data *data = iio_priv(indio_dev);  in mma8452_read_thresh()  local
501 		ret = i2c_smbus_read_byte_data(data->client,  in mma8452_read_thresh()
502 					       data->chip_info->ev_ths);  in mma8452_read_thresh()
506 		*val = ret & data->chip_info->ev_ths_mask;  in mma8452_read_thresh()
511 		ret = i2c_smbus_read_byte_data(data->client,  in mma8452_read_thresh()
512 					       data->chip_info->ev_count);  in mma8452_read_thresh()
517 				mma8452_get_odr_index(data)];  in mma8452_read_thresh()
524 		ret = i2c_smbus_read_byte_data(data->client,  in mma8452_read_thresh()
533 			ret = mma8452_read_hp_filter(data, val, val2);  in mma8452_read_thresh()
552 	struct mma8452_data *data = iio_priv(indio_dev);  in mma8452_write_thresh()  local
560 		return mma8452_change_config(data, data->chip_info->ev_ths,  in mma8452_write_thresh()
566 					mma8452_get_odr_index(data)];  in mma8452_write_thresh()
571 		return mma8452_change_config(data, data->chip_info->ev_count,  in mma8452_write_thresh()
575 		reg = i2c_smbus_read_byte_data(data->client,  in mma8452_write_thresh()
584 			ret = mma8452_set_hp_filter_frequency(data, val, val2);  in mma8452_write_thresh()
589 		return mma8452_change_config(data, MMA8452_TRANSIENT_CFG, reg);  in mma8452_write_thresh()
601 	struct mma8452_data *data = iio_priv(indio_dev);  in mma8452_read_event_config()  local
602 	const struct mma_chip_info *chip = data->chip_info;  in mma8452_read_event_config()
605 	ret = i2c_smbus_read_byte_data(data->client,  in mma8452_read_event_config()
606 				       data->chip_info->ev_cfg);  in mma8452_read_event_config()
619 	struct mma8452_data *data = iio_priv(indio_dev);  in mma8452_write_event_config()  local
620 	const struct mma_chip_info *chip = data->chip_info;  in mma8452_write_event_config()
623 	val = i2c_smbus_read_byte_data(data->client, chip->ev_cfg);  in mma8452_write_event_config()
635 	return mma8452_change_config(data, chip->ev_cfg, val);  in mma8452_write_event_config()
640 	struct mma8452_data *data = iio_priv(indio_dev);  in mma8452_transient_interrupt()  local
644 	src = i2c_smbus_read_byte_data(data->client, data->chip_info->ev_src);  in mma8452_transient_interrupt()
648 	if (src & data->chip_info->ev_src_xe)  in mma8452_transient_interrupt()
655 	if (src & data->chip_info->ev_src_ye)  in mma8452_transient_interrupt()
662 	if (src & data->chip_info->ev_src_ze)  in mma8452_transient_interrupt()
673 	struct mma8452_data *data = iio_priv(indio_dev);  in mma8452_interrupt()  local
674 	const struct mma_chip_info *chip = data->chip_info;  in mma8452_interrupt()
678 	src = i2c_smbus_read_byte_data(data->client, MMA8452_INT_SRC);  in mma8452_interrupt()
702 	struct mma8452_data *data = iio_priv(indio_dev);  in mma8452_trigger_handler()  local
706 	ret = mma8452_read(data, (__be16 *)buffer);  in mma8452_trigger_handler()
724 	struct mma8452_data *data = iio_priv(indio_dev);  in mma8452_reg_access_dbg()  local
730 		return mma8452_change_config(data, reg, writeval);  in mma8452_reg_access_dbg()
732 	ret = i2c_smbus_read_byte_data(data->client, reg);  in mma8452_reg_access_dbg()
957 	struct mma8452_data *data = iio_priv(indio_dev);  in mma8452_data_rdy_trigger_set_state()  local
960 	reg = i2c_smbus_read_byte_data(data->client, MMA8452_CTRL_REG4);  in mma8452_data_rdy_trigger_set_state()
969 	return mma8452_change_config(data, MMA8452_CTRL_REG4, reg);  in mma8452_data_rdy_trigger_set_state()
991 	struct mma8452_data *data = iio_priv(indio_dev);  in mma8452_trigger_setup()  local
995 	trig = devm_iio_trigger_alloc(&data->client->dev, "%s-dev%d",  in mma8452_trigger_setup()
1001 	trig->dev.parent = &data->client->dev;  in mma8452_trigger_setup()
1045 	{ .compatible = "fsl,mma8452", .data = &mma_chip_info_table[mma8452] },
1046 	{ .compatible = "fsl,mma8453", .data = &mma_chip_info_table[mma8453] },
1047 	{ .compatible = "fsl,mma8652", .data = &mma_chip_info_table[mma8652] },
1048 	{ .compatible = "fsl,mma8653", .data = &mma_chip_info_table[mma8653] },
1056 	struct mma8452_data *data;  in mma8452_probe()  local
1067 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));  in mma8452_probe()
1071 	data = iio_priv(indio_dev);  in mma8452_probe()
1072 	data->client = client;  in mma8452_probe()
1073 	mutex_init(&data->lock);  in mma8452_probe()
1074 	data->chip_info = match->data;  in mma8452_probe()
1085 		if (ret == data->chip_info->chip_id)  in mma8452_probe()
1092 		 match->compatible, data->chip_info->chip_id);  in mma8452_probe()
1099 	indio_dev->channels = data->chip_info->channels;  in mma8452_probe()
1100 	indio_dev->num_channels = data->chip_info->num_channels;  in mma8452_probe()
1107 	data->data_cfg = MMA8452_DATA_CFG_FS_2G;  in mma8452_probe()
1109 					data->data_cfg);  in mma8452_probe()
1152 	data->ctrl_reg1 = MMA8452_CTRL_ACTIVE |  in mma8452_probe()
1155 					data->ctrl_reg1);  in mma8452_probe()