134 static int ad5421_write_unlocked(struct iio_dev *indio_dev,  in ad5421_write_unlocked()  argument
137 	struct ad5421_state *st = iio_priv(indio_dev);  in ad5421_write_unlocked()
144 static int ad5421_write(struct iio_dev *indio_dev, unsigned int reg,  in ad5421_write()  argument
147 	struct ad5421_state *st = iio_priv(indio_dev);  in ad5421_write()
151 	ret = ad5421_write_unlocked(indio_dev, reg, val);  in ad5421_write()
157 static int ad5421_read(struct iio_dev *indio_dev, unsigned int reg)  in ad5421_read()  argument
159 	struct ad5421_state *st = iio_priv(indio_dev);  in ad5421_read()
185 static int ad5421_update_ctrl(struct iio_dev *indio_dev, unsigned int set,  in ad5421_update_ctrl()  argument
188 	struct ad5421_state *st = iio_priv(indio_dev);  in ad5421_update_ctrl()
196 	ret = ad5421_write_unlocked(indio_dev, AD5421_REG_CTRL, st->ctrl);  in ad5421_update_ctrl()
205 	struct iio_dev *indio_dev = data;  in ad5421_fault_handler()  local
206 	struct ad5421_state *st = iio_priv(indio_dev);  in ad5421_fault_handler()
211 	fault = ad5421_read(indio_dev, AD5421_REG_FAULT);  in ad5421_fault_handler()
220 	ad5421_update_ctrl(indio_dev, 0, 0);  in ad5421_fault_handler()
242 			iio_push_event(indio_dev,  in ad5421_fault_handler()
247 			iio_get_time_ns(indio_dev));  in ad5421_fault_handler()
251 			iio_push_event(indio_dev,  in ad5421_fault_handler()
256 				iio_get_time_ns(indio_dev));  in ad5421_fault_handler()
260 			iio_push_event(indio_dev,  in ad5421_fault_handler()
265 				iio_get_time_ns(indio_dev));  in ad5421_fault_handler()
269 		fault = ad5421_read(indio_dev, AD5421_REG_FAULT);  in ad5421_fault_handler()
314 static int ad5421_read_raw(struct iio_dev *indio_dev,  in ad5421_read_raw()  argument
317 	struct ad5421_state *st = iio_priv(indio_dev);  in ad5421_read_raw()
326 		ret = ad5421_read(indio_dev, AD5421_REG_DAC_DATA);  in ad5421_read_raw()
340 		ret = ad5421_read(indio_dev, AD5421_REG_OFFSET);  in ad5421_read_raw()
346 		ret = ad5421_read(indio_dev, AD5421_REG_GAIN);  in ad5421_read_raw()
356 static int ad5421_write_raw(struct iio_dev *indio_dev,  in ad5421_write_raw()  argument
366 		return ad5421_write(indio_dev, AD5421_REG_DAC_DATA, val);  in ad5421_write_raw()
372 		return ad5421_write(indio_dev, AD5421_REG_OFFSET, val);  in ad5421_write_raw()
377 		return ad5421_write(indio_dev, AD5421_REG_GAIN, val);  in ad5421_write_raw()
385 static int ad5421_write_event_config(struct iio_dev *indio_dev,  in ad5421_write_event_config()  argument
389 	struct ad5421_state *st = iio_priv(indio_dev);  in ad5421_write_event_config()
416 static int ad5421_read_event_config(struct iio_dev *indio_dev,  in ad5421_read_event_config()  argument
420 	struct ad5421_state *st = iio_priv(indio_dev);  in ad5421_read_event_config()
440 static int ad5421_read_event_value(struct iio_dev *indio_dev,  in ad5421_read_event_value()  argument
449 		ret = ad5421_read(indio_dev, AD5421_REG_DAC_DATA);  in ad5421_read_event_value()
475 	struct iio_dev *indio_dev;  in ad5421_probe()  local
479 	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));  in ad5421_probe()
480 	if (indio_dev == NULL) {  in ad5421_probe()
485 	st = iio_priv(indio_dev);  in ad5421_probe()
486 	spi_set_drvdata(spi, indio_dev);  in ad5421_probe()
490 	indio_dev->name = "ad5421";  in ad5421_probe()
491 	indio_dev->info = &ad5421_info;  in ad5421_probe()
492 	indio_dev->modes = INDIO_DIRECT_MODE;  in ad5421_probe()
493 	indio_dev->channels = ad5421_channels;  in ad5421_probe()
494 	indio_dev->num_channels = ARRAY_SIZE(ad5421_channels);  in ad5421_probe()
510 	ad5421_update_ctrl(indio_dev, 0, 0);  in ad5421_probe()
518 					   indio_dev);  in ad5421_probe()
523 	return devm_iio_device_register(&spi->dev, indio_dev);  in ad5421_probe()