mprls0025pa.c (2612e3bbc0386368a850140a6c9b990cd496a5ec) mprls0025pa.c (330e860a08a0e9a1094b8e8b5eca507ada17d462)
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * MPRLS0025PA - Honeywell MicroPressure pressure sensor series driver
4 *
5 * Copyright (c) Andreas Klinger <ak@it-klinger.de>
6 *
7 * Data sheet:
8 * https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/

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318
319static int mpr_probe(struct i2c_client *client)
320{
321 int ret;
322 struct mpr_data *data;
323 struct iio_dev *indio_dev;
324 struct device *dev = &client->dev;
325 s64 scale, offset;
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * MPRLS0025PA - Honeywell MicroPressure pressure sensor series driver
4 *
5 * Copyright (c) Andreas Klinger <ak@it-klinger.de>
6 *
7 * Data sheet:
8 * https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/

--- 309 unchanged lines hidden (view full) ---

318
319static int mpr_probe(struct i2c_client *client)
320{
321 int ret;
322 struct mpr_data *data;
323 struct iio_dev *indio_dev;
324 struct device *dev = &client->dev;
325 s64 scale, offset;
326 u32 func;
326
327 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_READ_BYTE))
328 return dev_err_probe(dev, -EOPNOTSUPP,
329 "I2C functionality not supported\n");
330
331 indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
332 if (!indio_dev)
333 return dev_err_probe(dev, -ENOMEM, "couldn't get iio_dev\n");

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357 return dev_err_probe(dev, ret,
358 "honeywell,pmin-pascal could not be read\n");
359 ret = device_property_read_u32(dev, "honeywell,pmax-pascal",
360 &data->pmax);
361 if (ret)
362 return dev_err_probe(dev, ret,
363 "honeywell,pmax-pascal could not be read\n");
364 ret = device_property_read_u32(dev,
327
328 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_READ_BYTE))
329 return dev_err_probe(dev, -EOPNOTSUPP,
330 "I2C functionality not supported\n");
331
332 indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
333 if (!indio_dev)
334 return dev_err_probe(dev, -ENOMEM, "couldn't get iio_dev\n");

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358 return dev_err_probe(dev, ret,
359 "honeywell,pmin-pascal could not be read\n");
360 ret = device_property_read_u32(dev, "honeywell,pmax-pascal",
361 &data->pmax);
362 if (ret)
363 return dev_err_probe(dev, ret,
364 "honeywell,pmax-pascal could not be read\n");
365 ret = device_property_read_u32(dev,
365 "honeywell,transfer-function", &data->function);
366 "honeywell,transfer-function", &func);
366 if (ret)
367 return dev_err_probe(dev, ret,
368 "honeywell,transfer-function could not be read\n");
367 if (ret)
368 return dev_err_probe(dev, ret,
369 "honeywell,transfer-function could not be read\n");
370 data->function = func - 1;
369 if (data->function > MPR_FUNCTION_C)
370 return dev_err_probe(dev, -EINVAL,
371 "honeywell,transfer-function %d invalid\n",
372 data->function);
373 } else {
374 /* when loaded as i2c device we need to use default values */
375 dev_notice(dev, "firmware node not found; using defaults\n");
376 data->pmin = 0;

--- 74 unchanged lines hidden --- 		371 if (data->function > MPR_FUNCTION_C)
372 return dev_err_probe(dev, -EINVAL,
373 "honeywell,transfer-function %d invalid\n",
374 data->function);
375 } else {
376 /* when loaded as i2c device we need to use default values */
377 dev_notice(dev, "firmware node not found; using defaults\n");
378 data->pmin = 0;

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