112 static int ad5755_write_unlocked(struct iio_dev *indio_dev,  in ad5755_write_unlocked()  argument
115 	struct ad5755_state *st = iio_priv(indio_dev);  in ad5755_write_unlocked()
122 static int ad5755_write_ctrl_unlocked(struct iio_dev *indio_dev,  in ad5755_write_ctrl_unlocked()  argument
125 	return ad5755_write_unlocked(indio_dev,  in ad5755_write_ctrl_unlocked()
129 static int ad5755_write(struct iio_dev *indio_dev, unsigned int reg,  in ad5755_write()  argument
134 	mutex_lock(&indio_dev->mlock);  in ad5755_write()
135 	ret = ad5755_write_unlocked(indio_dev, reg, val);  in ad5755_write()
136 	mutex_unlock(&indio_dev->mlock);  in ad5755_write()
141 static int ad5755_write_ctrl(struct iio_dev *indio_dev, unsigned int channel,  in ad5755_write_ctrl()  argument
146 	mutex_lock(&indio_dev->mlock);  in ad5755_write_ctrl()
147 	ret = ad5755_write_ctrl_unlocked(indio_dev, channel, reg, val);  in ad5755_write_ctrl()
148 	mutex_unlock(&indio_dev->mlock);  in ad5755_write_ctrl()
153 static int ad5755_read(struct iio_dev *indio_dev, unsigned int addr)  in ad5755_read()  argument
155 	struct ad5755_state *st = iio_priv(indio_dev);  in ad5755_read()
169 	mutex_lock(&indio_dev->mlock);  in ad5755_read()
178 	mutex_unlock(&indio_dev->mlock);  in ad5755_read()
183 static int ad5755_update_dac_ctrl(struct iio_dev *indio_dev,  in ad5755_update_dac_ctrl()  argument
186 	struct ad5755_state *st = iio_priv(indio_dev);  in ad5755_update_dac_ctrl()
192 	ret = ad5755_write_ctrl_unlocked(indio_dev, channel,  in ad5755_update_dac_ctrl()
198 static int ad5755_set_channel_pwr_down(struct iio_dev *indio_dev,  in ad5755_set_channel_pwr_down()  argument
201 	struct ad5755_state *st = iio_priv(indio_dev);  in ad5755_set_channel_pwr_down()
204 	mutex_lock(&indio_dev->mlock);  in ad5755_set_channel_pwr_down()
211 		ad5755_update_dac_ctrl(indio_dev, channel,  in ad5755_set_channel_pwr_down()
214 		ad5755_update_dac_ctrl(indio_dev, channel,  in ad5755_set_channel_pwr_down()
218 		ad5755_update_dac_ctrl(indio_dev, channel,  in ad5755_set_channel_pwr_down()
224 	mutex_unlock(&indio_dev->mlock);  in ad5755_set_channel_pwr_down()
292 static int ad5755_read_raw(struct iio_dev *indio_dev,  in ad5755_read_raw()  argument
295 	struct ad5755_state *st = iio_priv(indio_dev);  in ad5755_read_raw()
315 		ret = ad5755_read(indio_dev, reg);  in ad5755_read_raw()
327 static int ad5755_write_raw(struct iio_dev *indio_dev,  in ad5755_write_raw()  argument
330 	struct ad5755_state *st = iio_priv(indio_dev);  in ad5755_write_raw()
345 	return ad5755_write(indio_dev, reg, val);  in ad5755_write_raw()
348 static ssize_t ad5755_read_powerdown(struct iio_dev *indio_dev, uintptr_t priv,  in ad5755_read_powerdown()  argument
351 	struct ad5755_state *st = iio_priv(indio_dev);  in ad5755_read_powerdown()
357 static ssize_t ad5755_write_powerdown(struct iio_dev *indio_dev, uintptr_t priv,  in ad5755_write_powerdown()  argument
367 	ret = ad5755_set_channel_pwr_down(indio_dev, chan->channel, pwr_down);  in ad5755_write_powerdown()
444 static int ad5755_setup_pdata(struct iio_dev *indio_dev,  in ad5755_setup_pdata()  argument
447 	struct ad5755_state *st = iio_priv(indio_dev);  in ad5755_setup_pdata()
463 	ret = ad5755_write_ctrl(indio_dev, 0, AD5755_CTRL_REG_DC_DC, val);  in ad5755_setup_pdata()
475 		ret = ad5755_write_ctrl(indio_dev, i,  in ad5755_setup_pdata()
492 		ret = ad5755_update_dac_ctrl(indio_dev, i, val, 0);  in ad5755_setup_pdata()
513 static int ad5755_init_channels(struct iio_dev *indio_dev,  in ad5755_init_channels()  argument
516 	struct ad5755_state *st = iio_priv(indio_dev);  in ad5755_init_channels()
530 	indio_dev->channels = channels;  in ad5755_init_channels()
563 	struct iio_dev *indio_dev;  in ad5755_probe()  local
567 	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));  in ad5755_probe()
568 	if (indio_dev == NULL) {  in ad5755_probe()
573 	st = iio_priv(indio_dev);  in ad5755_probe()
574 	spi_set_drvdata(spi, indio_dev);  in ad5755_probe()
580 	indio_dev->dev.parent = &spi->dev;  in ad5755_probe()
581 	indio_dev->name = spi_get_device_id(spi)->name;  in ad5755_probe()
582 	indio_dev->info = &ad5755_info;  in ad5755_probe()
583 	indio_dev->modes = INDIO_DIRECT_MODE;  in ad5755_probe()
584 	indio_dev->num_channels = AD5755_NUM_CHANNELS;  in ad5755_probe()
589 	ret = ad5755_init_channels(indio_dev, pdata);  in ad5755_probe()
593 	ret = ad5755_setup_pdata(indio_dev, pdata);  in ad5755_probe()
597 	return devm_iio_device_register(&spi->dev, indio_dev);  in ad5755_probe()