1 // SPDX-License-Identifier: GPL-2.0-only
32 #define VCNL_PS_MOD_ADJ		0x8f /* Proximity Modulator Timing Adjustment */
36 #define VCNL_PS_OD		BIT(3) /* start on-demand proximity
44  * struct vcnl3020_data - vcnl3020 specific data.
58  * struct vcnl3020_property - vcnl3020 property.
79 	.name = "vishay,led-current-microamp",
90 	rc = device_property_read_u32(data->dev, prop.name, &val);  in vcnl3020_get_and_apply_property()
97 	rc = regmap_write(data->regmap, prop.reg, val);  in vcnl3020_get_and_apply_property()
99 		dev_err(data->dev, "Error (%d) setting property (%s)\n",  in vcnl3020_get_and_apply_property()
111 	rc = regmap_read(data->regmap, VCNL_PROD_REV, &reg);  in vcnl3020_init()
113 		dev_err(data->dev,  in vcnl3020_init()
119 		dev_err(data->dev,  in vcnl3020_init()
122 		return -ENODEV;  in vcnl3020_init()
125 	data->rev = reg;  in vcnl3020_init()
126 	mutex_init(&data->lock);  in vcnl3020_init()
138 	mutex_lock(&data->lock);  in vcnl3020_measure_proximity()
140 	rc = regmap_write(data->regmap, VCNL_COMMAND, VCNL_PS_OD);  in vcnl3020_measure_proximity()
145 	rc = regmap_read_poll_timeout(data->regmap, VCNL_COMMAND, reg,  in vcnl3020_measure_proximity()
149 		dev_err(data->dev,  in vcnl3020_measure_proximity()
155 	rc = regmap_bulk_read(data->regmap, VCNL_PS_RESULT_HI, &res,  in vcnl3020_measure_proximity()
163 	mutex_unlock(&data->lock);  in vcnl3020_measure_proximity()
189 		return -EINVAL;  in vcnl3020_read_raw()
212 		dev_err(&client->dev, "regmap_init failed\n");  in vcnl3020_probe()
216 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));  in vcnl3020_probe()
218 		return -ENOMEM;  in vcnl3020_probe()
222 	data->regmap = regmap;  in vcnl3020_probe()
223 	data->dev = &client->dev;  in vcnl3020_probe()
229 	indio_dev->info = &vcnl3020_info;  in vcnl3020_probe()
230 	indio_dev->channels = vcnl3020_channels;  in vcnl3020_probe()
231 	indio_dev->num_channels = ARRAY_SIZE(vcnl3020_channels);  in vcnl3020_probe()
232 	indio_dev->name = "vcnl3020";  in vcnl3020_probe()
233 	indio_dev->modes = INDIO_DIRECT_MODE;  in vcnl3020_probe()
235 	return devm_iio_device_register(&client->dev, indio_dev);  in vcnl3020_probe()