17  * LOT Low Threshold [1]       | 0x8E | events/in_angl1_thresh_rising_hysteresis
27  * [1]: The value written to the LOT low register is high value minus the
75 #define AD2S1210_SET_RES		GENMASK(1, 0)
84 #define AD2S1210_FAULT_PHASE		BIT(1)
118 /* Threshold voltage registers have 1 LSB == 38 mV */
175 static int ad2s1210_set_mode(struct ad2s1210_state *st, enum ad2s1210_mode mode)  in ad2s1210_set_mode()  argument
177 	struct gpio_descs *gpios = st->mode_gpios;  in ad2s1210_set_mode()
181 		return mode == st->fixed_mode ? 0 : -EOPNOTSUPP;  in ad2s1210_set_mode()
198 	struct ad2s1210_state *st = context;  in ad2s1210_regmap_reg_write()  local
201 			.len = 1,  in ad2s1210_regmap_reg_write()
202 			.rx_buf = &st->rx[0],  in ad2s1210_regmap_reg_write()
203 			.tx_buf = &st->tx[0],  in ad2s1210_regmap_reg_write()
204 			.cs_change = 1,  in ad2s1210_regmap_reg_write()
206 			.len = 1,  in ad2s1210_regmap_reg_write()
207 			.rx_buf = &st->rx[1],  in ad2s1210_regmap_reg_write()
208 			.tx_buf = &st->tx[1],  in ad2s1210_regmap_reg_write()
217 	st->tx[0] = reg;  in ad2s1210_regmap_reg_write()
218 	st->tx[1] = val;  in ad2s1210_regmap_reg_write()
220 	ret = ad2s1210_set_mode(st, MOD_CONFIG);  in ad2s1210_regmap_reg_write()
224 	ret = spi_sync_transfer(st->sdev, xfers, ARRAY_SIZE(xfers));  in ad2s1210_regmap_reg_write()
230 		st->prev_fault_flags = 0;  in ad2s1210_regmap_reg_write()
244 	struct ad2s1210_state *st = context;  in ad2s1210_regmap_reg_read()  local
247 			.len = 1,  in ad2s1210_regmap_reg_read()
248 			.rx_buf = &st->rx[0],  in ad2s1210_regmap_reg_read()
249 			.tx_buf = &st->tx[0],  in ad2s1210_regmap_reg_read()
250 			.cs_change = 1,  in ad2s1210_regmap_reg_read()
252 			.len = 1,  in ad2s1210_regmap_reg_read()
253 			.rx_buf = &st->rx[1],  in ad2s1210_regmap_reg_read()
254 			.tx_buf = &st->tx[1],  in ad2s1210_regmap_reg_read()
259 	ret = ad2s1210_set_mode(st, MOD_CONFIG);  in ad2s1210_regmap_reg_read()
263 	st->tx[0] = reg;  in ad2s1210_regmap_reg_read()
269 	st->tx[1] = AD2S1210_REG_CONTROL;  in ad2s1210_regmap_reg_read()
271 	ret = spi_sync_transfer(st->sdev, xfers, ARRAY_SIZE(xfers));  in ad2s1210_regmap_reg_read()
277 		st->prev_fault_flags = 0;  in ad2s1210_regmap_reg_read()
285 	     && st->rx[1] & AD2S1210_ADDRESS_DATA)  in ad2s1210_regmap_reg_read()
288 	*val = st->rx[1];  in ad2s1210_regmap_reg_read()
299 static void ad2s1210_toggle_sample_line(struct ad2s1210_state *st)  in ad2s1210_toggle_sample_line()  argument
307 	gpiod_set_value(st->sample_gpio, 1);  in ad2s1210_toggle_sample_line()
309 	gpiod_set_value(st->sample_gpio, 0);  in ad2s1210_toggle_sample_line()
318 static int ad2s1210_reinit_excitation_frequency(struct ad2s1210_state *st,  in ad2s1210_reinit_excitation_frequency()  argument
327 	fcw = fexcit * (1 << 15) / st->clkin_hz;  in ad2s1210_reinit_excitation_frequency()
331 	ret = regmap_write(st->regmap, AD2S1210_REG_EXCIT_FREQ, fcw);  in ad2s1210_reinit_excitation_frequency()
339 	ret = regmap_write(st->regmap, AD2S1210_REG_SOFT_RESET, 0);  in ad2s1210_reinit_excitation_frequency()
349 	msleep(track_time_ms[st->resolution] * 8192000 / st->clkin_hz);  in ad2s1210_reinit_excitation_frequency()
352 	ret = regmap_read(st->regmap, AD2S1210_REG_FAULT, &ignored);  in ad2s1210_reinit_excitation_frequency()
357 	ad2s1210_toggle_sample_line(st);  in ad2s1210_reinit_excitation_frequency()
365 	struct ad2s1210_state *st = iio_priv(indio_dev);  in ad2s1210_push_events()  local
368 	if (FAULT_ONESHOT(AD2S1210_FAULT_CLIP, flags, st->prev_fault_flags)) {  in ad2s1210_push_events()
374 			       IIO_UNMOD_EVENT_CODE(IIO_ALTVOLTAGE, 1,  in ad2s1210_push_events()
386 	if (FAULT_ONESHOT(AD2S1210_FAULT_LOS, flags, st->prev_fault_flags))  in ad2s1210_push_events()
394 	if (FAULT_ONESHOT(AD2S1210_FAULT_DOS_OVR, flags, st->prev_fault_flags))  in ad2s1210_push_events()
402 	if (FAULT_ONESHOT(AD2S1210_FAULT_DOS_MIS, flags, st->prev_fault_flags))  in ad2s1210_push_events()
410 	if (FAULT_ONESHOT(AD2S1210_FAULT_LOT, flags, st->prev_fault_flags))  in ad2s1210_push_events()
412 			       IIO_UNMOD_EVENT_CODE(IIO_ANGL, 1,  in ad2s1210_push_events()
418 	if (FAULT_ONESHOT(AD2S1210_FAULT_VELOCITY, flags, st->prev_fault_flags))  in ad2s1210_push_events()
426 	if (FAULT_ONESHOT(AD2S1210_FAULT_PHASE, flags, st->prev_fault_flags))  in ad2s1210_push_events()
435 			  st->prev_fault_flags))  in ad2s1210_push_events()
443 	st->prev_fault_flags = flags;  in ad2s1210_push_events()
450 	struct ad2s1210_state *st = iio_priv(indio_dev);  in ad2s1210_single_conversion()  local
454 	guard(mutex)(&st->lock);  in ad2s1210_single_conversion()
456 	ad2s1210_toggle_sample_line(st);  in ad2s1210_single_conversion()
459 	if (st->fixed_mode == MOD_CONFIG) {  in ad2s1210_single_conversion()
464 			ret = regmap_bulk_read(st->regmap,  in ad2s1210_single_conversion()
466 					       &st->sample.raw, 2);  in ad2s1210_single_conversion()
472 			ret = regmap_bulk_read(st->regmap,  in ad2s1210_single_conversion()
474 					       &st->sample.raw, 2);  in ad2s1210_single_conversion()
483 		ret = regmap_read(st->regmap, AD2S1210_REG_FAULT, &reg_val);  in ad2s1210_single_conversion()
487 		st->sample.fault = reg_val;  in ad2s1210_single_conversion()
491 			ret = ad2s1210_set_mode(st, MOD_POS);  in ad2s1210_single_conversion()
494 			ret = ad2s1210_set_mode(st, MOD_VEL);  in ad2s1210_single_conversion()
502 		ret = spi_read(st->sdev, &st->sample, 3);  in ad2s1210_single_conversion()
509 		*val = be16_to_cpu(st->sample.raw);  in ad2s1210_single_conversion()
513 		*val = (s16)be16_to_cpu(st->sample.raw);  in ad2s1210_single_conversion()
520 	ad2s1210_push_events(indio_dev, st->sample.fault, timestamp);  in ad2s1210_single_conversion()
525 static int ad2s1210_get_hysteresis(struct ad2s1210_state *st, int *val)  in ad2s1210_get_hysteresis()  argument
529 	guard(mutex)(&st->lock);  in ad2s1210_get_hysteresis()
530 	ret = regmap_test_bits(st->regmap, AD2S1210_REG_CONTROL,  in ad2s1210_get_hysteresis()
535 	*val = ret << (2 * (AD2S1210_RES_16 - st->resolution));  in ad2s1210_get_hysteresis()
539 static int ad2s1210_set_hysteresis(struct ad2s1210_state *st, int val)  in ad2s1210_set_hysteresis()  argument
541 	guard(mutex)(&st->lock);  in ad2s1210_set_hysteresis()
542 	return regmap_update_bits(st->regmap, AD2S1210_REG_CONTROL,  in ad2s1210_set_hysteresis()
547 static int ad2s1210_get_phase_lock_range(struct ad2s1210_state *st,  in ad2s1210_get_phase_lock_range()  argument
552 	guard(mutex)(&st->lock);  in ad2s1210_get_phase_lock_range()
553 	ret = regmap_test_bits(st->regmap, AD2S1210_REG_CONTROL,  in ad2s1210_get_phase_lock_range()
571 static int ad2s1210_set_phase_lock_range(struct ad2s1210_state *st,  in ad2s1210_set_phase_lock_range()  argument
585 	guard(mutex)(&st->lock);  in ad2s1210_set_phase_lock_range()
586 	return regmap_update_bits(st->regmap, AD2S1210_REG_CONTROL,  in ad2s1210_set_phase_lock_range()
599 static int ad2s1210_get_voltage_threshold(struct ad2s1210_state *st,  in ad2s1210_get_voltage_threshold()  argument
605 	guard(mutex)(&st->lock);  in ad2s1210_get_voltage_threshold()
606 	ret = regmap_read(st->regmap, reg, &reg_val);  in ad2s1210_get_voltage_threshold()
614 static int ad2s1210_set_voltage_threshold(struct ad2s1210_state *st,  in ad2s1210_set_voltage_threshold()  argument
621 	guard(mutex)(&st->lock);  in ad2s1210_set_voltage_threshold()
622 	return regmap_write(st->regmap, reg, reg_val);  in ad2s1210_set_voltage_threshold()
625 static int ad2s1210_get_lot_high_threshold(struct ad2s1210_state *st,  in ad2s1210_get_lot_high_threshold()  argument
631 	guard(mutex)(&st->lock);  in ad2s1210_get_lot_high_threshold()
632 	ret = regmap_read(st->regmap, AD2S1210_REG_LOT_HIGH_THRD, &reg_val);  in ad2s1210_get_lot_high_threshold()
637 	*val2 = reg_val * ad2s1210_lot_threshold_urad_per_lsb[st->resolution];  in ad2s1210_get_lot_high_threshold()
641 static int ad2s1210_set_lot_high_threshold(struct ad2s1210_state *st,  in ad2s1210_set_lot_high_threshold()  argument
651 	guard(mutex)(&st->lock);  in ad2s1210_set_lot_high_threshold()
656 	ret = regmap_read(st->regmap, AD2S1210_REG_LOT_HIGH_THRD, &high_reg_val);  in ad2s1210_set_lot_high_threshold()
660 	ret = regmap_read(st->regmap, AD2S1210_REG_LOT_LOW_THRD, &low_reg_val);  in ad2s1210_set_lot_high_threshold()
665 	high_reg_val = val2 / ad2s1210_lot_threshold_urad_per_lsb[st->resolution];  in ad2s1210_set_lot_high_threshold()
668 	ret = regmap_write(st->regmap, AD2S1210_REG_LOT_HIGH_THRD, high_reg_val);  in ad2s1210_set_lot_high_threshold()
672 	return regmap_write(st->regmap, AD2S1210_REG_LOT_LOW_THRD, low_reg_val);  in ad2s1210_set_lot_high_threshold()
675 static int ad2s1210_get_lot_low_threshold(struct ad2s1210_state *st,  in ad2s1210_get_lot_low_threshold()  argument
681 	guard(mutex)(&st->lock);  in ad2s1210_get_lot_low_threshold()
683 	ret = regmap_read(st->regmap, AD2S1210_REG_LOT_HIGH_THRD, &high_reg_val);  in ad2s1210_get_lot_low_threshold()
687 	ret = regmap_read(st->regmap, AD2S1210_REG_LOT_LOW_THRD, &low_reg_val);  in ad2s1210_get_lot_low_threshold()
694 		ad2s1210_lot_threshold_urad_per_lsb[st->resolution];  in ad2s1210_get_lot_low_threshold()
698 static int ad2s1210_set_lot_low_threshold(struct ad2s1210_state *st,  in ad2s1210_set_lot_low_threshold()  argument
708 	hysteresis = val2 / ad2s1210_lot_threshold_urad_per_lsb[st->resolution];  in ad2s1210_set_lot_low_threshold()
710 	guard(mutex)(&st->lock);  in ad2s1210_set_lot_low_threshold()
712 	ret = regmap_read(st->regmap, AD2S1210_REG_LOT_HIGH_THRD, &reg_val);  in ad2s1210_set_lot_low_threshold()
716 	return regmap_write(st->regmap, AD2S1210_REG_LOT_LOW_THRD,  in ad2s1210_set_lot_low_threshold()
720 static int ad2s1210_get_excitation_frequency(struct ad2s1210_state *st, int *val)  in ad2s1210_get_excitation_frequency()  argument
725 	guard(mutex)(&st->lock);  in ad2s1210_get_excitation_frequency()
727 	ret = regmap_read(st->regmap, AD2S1210_REG_EXCIT_FREQ, &reg_val);  in ad2s1210_get_excitation_frequency()
731 	*val = reg_val * st->clkin_hz / (1 << 15);  in ad2s1210_get_excitation_frequency()
735 static int ad2s1210_set_excitation_frequency(struct ad2s1210_state *st, int val)  in ad2s1210_set_excitation_frequency()  argument
740 	guard(mutex)(&st->lock);  in ad2s1210_set_excitation_frequency()
741 	return ad2s1210_reinit_excitation_frequency(st, val);  in ad2s1210_set_excitation_frequency()
757 	struct ad2s1210_state *st = iio_priv(indio_dev);  in ad2s1210_read_raw()  local
770 			*val = st->clkin_hz;  in ad2s1210_read_raw()
771 			*val2 = ad2s1210_velocity_scale[st->resolution];  in ad2s1210_read_raw()
779 			return ad2s1210_get_excitation_frequency(st, val);  in ad2s1210_read_raw()
786 			return ad2s1210_get_hysteresis(st, val);  in ad2s1210_read_raw()
806 	struct ad2s1210_state *st = iio_priv(indio_dev);  in ad2s1210_read_avail()  local
821 			*vals = st->hysteresis_available;  in ad2s1210_read_avail()
823 			*length = ARRAY_SIZE(st->hysteresis_available);  in ad2s1210_read_avail()
837 	struct ad2s1210_state *st = iio_priv(indio_dev);  in ad2s1210_write_raw()  local
843 			return ad2s1210_set_excitation_frequency(st, val);  in ad2s1210_write_raw()
850 			return ad2s1210_set_hysteresis(st, val);  in ad2s1210_write_raw()
924 		.indexed = 1,
940 		.indexed = 1,
942 		.scan_index = 1,
958 		.indexed = 1,
959 		.channel = 1,
960 		.scan_index = -1,
967 		.indexed = 1,
969 		.scan_index = -1,
975 		.indexed = 1,
977 		.output = 1,
978 		.scan_index = -1,
984 		.indexed = 1,
986 		.scan_index = -1,
992 		.indexed = 1,
993 		.channel = 1,
994 		.scan_index = -1,
1000 		.indexed = 1,
1002 		.scan_index = -1,
1012 	struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev));  in event_attr_voltage_reg_show()  local
1017 	guard(mutex)(&st->lock);  in event_attr_voltage_reg_show()
1018 	ret = regmap_read(st->regmap, iattr->address, &value);  in event_attr_voltage_reg_show()
1029 	struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev));  in event_attr_voltage_reg_store()  local
1038 	guard(mutex)(&st->lock);  in event_attr_voltage_reg_store()
1039 	ret = regmap_write(st->regmap, iattr->address,  in event_attr_voltage_reg_store()
1052 	struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev));  in in_angl1_thresh_rising_value_available_show()  local
1053 	int step = ad2s1210_lot_threshold_urad_per_lsb[st->resolution];  in in_angl1_thresh_rising_value_available_show()
1063 	struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev));  in in_angl1_thresh_rising_hysteresis_available_show()  local
1064 	int step = ad2s1210_lot_threshold_urad_per_lsb[st->resolution];  in in_angl1_thresh_rising_hysteresis_available_show()
1109 static int ad2s1210_initial(struct ad2s1210_state *st)  in ad2s1210_initial()  argument
1114 	guard(mutex)(&st->lock);  in ad2s1210_initial()
1117 	data = FIELD_PREP(AD2S1210_PHASE_LOCK_RANGE_44, 1);  in ad2s1210_initial()
1118 	data |= FIELD_PREP(AD2S1210_ENABLE_HYSTERESIS, 1);  in ad2s1210_initial()
1120 	data |= FIELD_PREP(AD2S1210_SET_RES, st->resolution);  in ad2s1210_initial()
1122 	ret = regmap_write(st->regmap, AD2S1210_REG_CONTROL, data);  in ad2s1210_initial()
1126 	return ad2s1210_reinit_excitation_frequency(st, AD2S1210_DEF_EXCIT);  in ad2s1210_initial()
1136 		if (chan->channel == 1)  in ad2s1210_read_label()
1148 		if (chan->channel == 1)  in ad2s1210_read_label()
1164 	struct ad2s1210_state *st = iio_priv(indio_dev);  in ad2s1210_read_event_value()  local
1170 			return ad2s1210_get_lot_high_threshold(st, val, val2);  in ad2s1210_read_event_value()
1172 			return ad2s1210_get_lot_low_threshold(st, val, val2);  in ad2s1210_read_event_value()
1180 			return ad2s1210_get_voltage_threshold(st,  in ad2s1210_read_event_value()
1183 			return ad2s1210_get_voltage_threshold(st,  in ad2s1210_read_event_value()
1186 			return ad2s1210_get_voltage_threshold(st,  in ad2s1210_read_event_value()
1190 		return ad2s1210_get_phase_lock_range(st, val, val2);  in ad2s1210_read_event_value()
1203 	struct ad2s1210_state *st = iio_priv(indio_dev);  in ad2s1210_write_event_value()  local
1209 			return ad2s1210_set_lot_high_threshold(st, val, val2);  in ad2s1210_write_event_value()
1211 			return ad2s1210_set_lot_low_threshold(st, val, val2);  in ad2s1210_write_event_value()
1219 			return ad2s1210_set_voltage_threshold(st,  in ad2s1210_write_event_value()
1222 			return ad2s1210_set_voltage_threshold(st,  in ad2s1210_write_event_value()
1225 			return ad2s1210_set_voltage_threshold(st,  in ad2s1210_write_event_value()
1229 		return ad2s1210_set_phase_lock_range(st, val, val2);  in ad2s1210_write_event_value()
1258 		if (chan->channel == 1 || chan->channel == 2)  in ad2s1210_read_event_label()
1269 	struct ad2s1210_state *st = iio_priv(indio_dev);  in ad2s1210_debugfs_reg_access()  local
1271 	guard(mutex)(&st->lock);  in ad2s1210_debugfs_reg_access()
1274 		return regmap_read(st->regmap, reg, readval);  in ad2s1210_debugfs_reg_access()
1276 	return regmap_write(st->regmap, reg, writeval);  in ad2s1210_debugfs_reg_access()
1283 	struct ad2s1210_state *st = iio_priv(indio_dev);  in ad2s1210_trigger_handler()  local
1287 	guard(mutex)(&st->lock);  in ad2s1210_trigger_handler()
1289 	memset(&st->scan, 0, sizeof(st->scan));  in ad2s1210_trigger_handler()
1290 	ad2s1210_toggle_sample_line(st);  in ad2s1210_trigger_handler()
1293 		if (st->fixed_mode == MOD_CONFIG) {  in ad2s1210_trigger_handler()
1294 			ret = regmap_bulk_read(st->regmap,  in ad2s1210_trigger_handler()
1296 					       &st->sample.raw, 2);  in ad2s1210_trigger_handler()
1300 			ret = ad2s1210_set_mode(st, MOD_POS);  in ad2s1210_trigger_handler()
1304 			ret = spi_read(st->sdev, &st->sample, 3);  in ad2s1210_trigger_handler()
1309 		memcpy(&st->scan.chan[chan++], &st->sample.raw, 2);  in ad2s1210_trigger_handler()
1312 	if (test_bit(1, indio_dev->active_scan_mask)) {  in ad2s1210_trigger_handler()
1313 		if (st->fixed_mode == MOD_CONFIG) {  in ad2s1210_trigger_handler()
1314 			ret = regmap_bulk_read(st->regmap,  in ad2s1210_trigger_handler()
1316 					       &st->sample.raw, 2);  in ad2s1210_trigger_handler()
1320 			ret = ad2s1210_set_mode(st, MOD_VEL);  in ad2s1210_trigger_handler()
1324 			ret = spi_read(st->sdev, &st->sample, 3);  in ad2s1210_trigger_handler()
1329 		memcpy(&st->scan.chan[chan++], &st->sample.raw, 2);  in ad2s1210_trigger_handler()
1332 	if (st->fixed_mode == MOD_CONFIG) {  in ad2s1210_trigger_handler()
1335 		ret = regmap_read(st->regmap, AD2S1210_REG_FAULT, &reg_val);  in ad2s1210_trigger_handler()
1339 		st->sample.fault = reg_val;  in ad2s1210_trigger_handler()
1342 	ad2s1210_push_events(indio_dev, st->sample.fault, pf->timestamp);  in ad2s1210_trigger_handler()
1343 	iio_push_to_buffers_with_timestamp(indio_dev, &st->scan, pf->timestamp);  in ad2s1210_trigger_handler()
1363 static int ad2s1210_setup_properties(struct ad2s1210_state *st)  in ad2s1210_setup_properties()  argument
1365 	struct device *dev = &st->sdev->dev;  in ad2s1210_setup_properties()
1372 		st->fixed_mode = -1;  in ad2s1210_setup_properties()
1381 		st->fixed_mode = MOD_CONFIG;  in ad2s1210_setup_properties()
1393 	st->resolution = (val - 10) >> 1;  in ad2s1210_setup_properties()
1396 	 * register. 0 = disabled, 1 = enabled. When enabled, the actual  in ad2s1210_setup_properties()
1397 	 * hysteresis is +/- 1 LSB of the raw position value. Which bit is the  in ad2s1210_setup_properties()
1400 	st->hysteresis_available[0] = 0;  in ad2s1210_setup_properties()
1401 	st->hysteresis_available[1] = 1 << (2 * (AD2S1210_RES_16 -  in ad2s1210_setup_properties()
1402 						 st->resolution));  in ad2s1210_setup_properties()
1407 static int ad2s1210_setup_clocks(struct ad2s1210_state *st)  in ad2s1210_setup_clocks()  argument
1409 	struct device *dev = &st->sdev->dev;  in ad2s1210_setup_clocks()
1416 	st->clkin_hz = clk_get_rate(clk);  in ad2s1210_setup_clocks()
1417 	if (st->clkin_hz < AD2S1210_MIN_CLKIN || st->clkin_hz > AD2S1210_MAX_CLKIN)  in ad2s1210_setup_clocks()
1420 				     st->clkin_hz);  in ad2s1210_setup_clocks()
1425 static int ad2s1210_setup_gpios(struct ad2s1210_state *st)  in ad2s1210_setup_gpios()  argument
1427 	struct device *dev = &st->sdev->dev;  in ad2s1210_setup_gpios()
1434 	st->sample_gpio = devm_gpiod_get(dev, "sample", GPIOD_OUT_LOW);  in ad2s1210_setup_gpios()
1435 	if (IS_ERR(st->sample_gpio))  in ad2s1210_setup_gpios()
1436 		return dev_err_probe(dev, PTR_ERR(st->sample_gpio),  in ad2s1210_setup_gpios()
1440 	st->mode_gpios = devm_gpiod_get_array_optional(dev, "mode",  in ad2s1210_setup_gpios()
1442 	if (IS_ERR(st->mode_gpios))  in ad2s1210_setup_gpios()
1443 		return dev_err_probe(dev, PTR_ERR(st->mode_gpios),  in ad2s1210_setup_gpios()
1446 	if (!st->mode_gpios && st->fixed_mode == -1)  in ad2s1210_setup_gpios()
1450 	if (st->mode_gpios && st->fixed_mode != -1)  in ad2s1210_setup_gpios()
1454 	if (st->mode_gpios && st->mode_gpios->ndescs != 2)  in ad2s1210_setup_gpios()
1474 		bitmap[0] = st->resolution;  in ad2s1210_setup_gpios()
1523 static int ad2s1210_setup_regmap(struct ad2s1210_state *st)  in ad2s1210_setup_regmap()  argument
1525 	struct device *dev = &st->sdev->dev;  in ad2s1210_setup_regmap()
1537 	st->regmap = devm_regmap_init(dev, NULL, st, &config);  in ad2s1210_setup_regmap()
1538 	if (IS_ERR(st->regmap))  in ad2s1210_setup_regmap()
1539 		return dev_err_probe(dev, PTR_ERR(st->regmap),  in ad2s1210_setup_regmap()
1548 	struct ad2s1210_state *st;  in ad2s1210_probe()  local
1551 	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));  in ad2s1210_probe()
1554 	st = iio_priv(indio_dev);  in ad2s1210_probe()
1556 	mutex_init(&st->lock);  in ad2s1210_probe()
1557 	st->sdev = spi;  in ad2s1210_probe()
1559 	ret = ad2s1210_setup_properties(st);  in ad2s1210_probe()
1563 	ret = ad2s1210_setup_clocks(st);  in ad2s1210_probe()
1567 	ret = ad2s1210_setup_gpios(st);  in ad2s1210_probe()
1571 	ret = ad2s1210_setup_regmap(st);  in ad2s1210_probe()
1575 	ret = ad2s1210_initial(st);  in ad2s1210_probe()