1 // SPDX-License-Identifier: GPL-2.0-or-later
4  * ADI MAX77541 ADC Driver with IIO interface
30 			       struct iio_chan_spec const *chan,  in max77541_adc_offset()  argument
33 	switch (chan->channel) {  in max77541_adc_offset()
38 		return -EINVAL;  in max77541_adc_offset()
43 			      struct iio_chan_spec const *chan,  in max77541_adc_scale()  argument
50 	switch (chan->channel) {  in max77541_adc_scale()
74 			return -EINVAL;  in max77541_adc_scale()
82 		return -EINVAL;  in max77541_adc_scale()
87 			    struct iio_chan_spec const *chan,  in max77541_adc_raw()  argument
93 	ret = regmap_read(*regmap, chan->address, val);  in max77541_adc_raw()
135 				 struct iio_chan_spec const *chan,  in max77541_adc_read_raw()  argument
140 		return max77541_adc_offset(indio_dev, chan, val, val2);  in max77541_adc_read_raw()
142 		return max77541_adc_scale(indio_dev, chan, val, val2);  in max77541_adc_read_raw()
144 		return max77541_adc_raw(indio_dev, chan, val);  in max77541_adc_read_raw()
146 		return -EINVAL;  in max77541_adc_read_raw()
156 	struct device *dev = &pdev->dev;  in max77541_adc_probe()
162 		return -ENOMEM;  in max77541_adc_probe()
166 	*regmap = dev_get_regmap(dev->parent, NULL);  in max77541_adc_probe()
167 	indio_dev->modes = INDIO_DIRECT_MODE;  in max77541_adc_probe()
169 	indio_dev->name = "max77541";  in max77541_adc_probe()
170 	indio_dev->info = &max77541_adc_info;  in max77541_adc_probe()
171 	indio_dev->channels = max77541_adc_channels;  in max77541_adc_probe()
172 	indio_dev->num_channels = ARRAY_SIZE(max77541_adc_channels);  in max77541_adc_probe()
178 	{ "max77541-adc" },
185 		.name = "max77541-adc",
193 MODULE_DESCRIPTION("MAX77541 ADC driver");