136 	struct ad5421_state *st = iio_priv(indio_dev);  in ad5421_write_unlocked()  local
138 	st->data[0].d32 = cpu_to_be32((reg << 16) | val);  in ad5421_write_unlocked()
140 	return spi_write(st->spi, &st->data[0].d8[1], 3);  in ad5421_write_unlocked()
157 	struct ad5421_state *st = iio_priv(indio_dev);  in ad5421_read()  local
161 			.tx_buf = &st->data[0].d8[1],  in ad5421_read()
165 			.rx_buf = &st->data[1].d8[1],  in ad5421_read()
172 	st->data[0].d32 = cpu_to_be32((1 << 23) | (reg << 16));  in ad5421_read()
174 	ret = spi_sync_transfer(st->spi, t, ARRAY_SIZE(t));  in ad5421_read()
176 		ret = be32_to_cpu(st->data[1].d32) & 0xffff;  in ad5421_read()
186 	struct ad5421_state *st = iio_priv(indio_dev);  in ad5421_update_ctrl()  local
191 	st->ctrl &= ~clr;  in ad5421_update_ctrl()
192 	st->ctrl |= set;  in ad5421_update_ctrl()
194 	ret = ad5421_write_unlocked(indio_dev, AD5421_REG_CTRL, st->ctrl);  in ad5421_update_ctrl()
204 	struct ad5421_state *st = iio_priv(indio_dev);  in ad5421_fault_handler()  local
237 		events &= st->fault_mask;  in ad5421_fault_handler()
279 static void ad5421_get_current_min_max(struct ad5421_state *st,  in ad5421_get_current_min_max()  argument
284 	switch (st->current_range) {  in ad5421_get_current_min_max()
304 static inline unsigned int ad5421_get_offset(struct ad5421_state *st)  in ad5421_get_offset()  argument
308 	ad5421_get_current_min_max(st, &min, &max);  in ad5421_get_offset()
315 	struct ad5421_state *st = iio_priv(indio_dev);  in ad5421_read_raw()  local
330 		ad5421_get_current_min_max(st, &min, &max);  in ad5421_read_raw()
335 		*val = ad5421_get_offset(st);  in ad5421_read_raw()
387 	struct ad5421_state *st = iio_priv(indio_dev);  in ad5421_write_event_config()  local
406 		st->fault_mask |= mask;  in ad5421_write_event_config()
408 		st->fault_mask &= ~mask;  in ad5421_write_event_config()
418 	struct ad5421_state *st = iio_priv(indio_dev);  in ad5421_read_event_config()  local
435 	return (bool)(st->fault_mask & mask);  in ad5421_read_event_config()
475 	struct ad5421_state *st;  in ad5421_probe()  local
478 	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));  in ad5421_probe()
484 	st = iio_priv(indio_dev);  in ad5421_probe()
487 	st->spi = spi;  in ad5421_probe()
496 	st->ctrl = AD5421_CTRL_WATCHDOG_DISABLE |  in ad5421_probe()
500 		st->current_range = pdata->current_range;  in ad5421_probe()
502 			st->ctrl |= AD5421_CTRL_PWR_DOWN_INT_VREF;  in ad5421_probe()
504 		st->current_range = AD5421_CURRENT_RANGE_4mA_20mA;  in ad5421_probe()