tmp006.c (2bb3b8f69accde535daee238e0f707dec452e0e4) tmp006.c (c359a80ca29099be951a1fa5c7529792cadf3e8f)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * tmp006.c - Support for TI TMP006 IR thermopile sensor
4 *
5 * Copyright (c) 2013 Peter Meerwald <pmeerw@pmeerw.net>
6 *
7 * Driver for the Texas Instruments I2C 16-bit IR thermopile sensor
8 *

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188
189 did = i2c_smbus_read_word_swapped(client, TMP006_DEVICE_ID);
190 if (did < 0)
191 return false;
192
193 return mid == TMP006_MANUFACTURER_MAGIC && did == TMP006_DEVICE_MAGIC;
194}
195
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * tmp006.c - Support for TI TMP006 IR thermopile sensor
4 *
5 * Copyright (c) 2013 Peter Meerwald <pmeerw@pmeerw.net>
6 *
7 * Driver for the Texas Instruments I2C 16-bit IR thermopile sensor
8 *

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188
189 did = i2c_smbus_read_word_swapped(client, TMP006_DEVICE_ID);
190 if (did < 0)
191 return false;
192
193 return mid == TMP006_MANUFACTURER_MAGIC && did == TMP006_DEVICE_MAGIC;
194}
195
196static int tmp006_powerdown(struct tmp006_data *data)
196static int tmp006_power(struct device *dev, bool up)
197{
197{
198 struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
199 struct tmp006_data *data = iio_priv(indio_dev);
200
201 if (up)
202 data->config |= TMP006_CONFIG_MOD_MASK;
203 else
204 data->config &= ~TMP006_CONFIG_MOD_MASK;
205
198 return i2c_smbus_write_word_swapped(data->client, TMP006_CONFIG,
206 return i2c_smbus_write_word_swapped(data->client, TMP006_CONFIG,
199 data->config & ~TMP006_CONFIG_MOD_MASK);
207 data->config);
200}
201
208}
209
202static void tmp006_powerdown_cleanup(void *data)
210static void tmp006_powerdown_cleanup(void *dev)
203{
211{
204 tmp006_powerdown(data);
212 tmp006_power(dev, false);
205}
206
207static int tmp006_probe(struct i2c_client *client,
208 const struct i2c_device_id *id)
209{
210 struct iio_dev *indio_dev;
211 struct tmp006_data *data;
212 int ret;

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234 indio_dev->channels = tmp006_channels;
235 indio_dev->num_channels = ARRAY_SIZE(tmp006_channels);
236
237 ret = i2c_smbus_read_word_swapped(data->client, TMP006_CONFIG);
238 if (ret < 0)
239 return ret;
240 data->config = ret;
241
213}
214
215static int tmp006_probe(struct i2c_client *client,
216 const struct i2c_device_id *id)
217{
218 struct iio_dev *indio_dev;
219 struct tmp006_data *data;
220 int ret;

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242 indio_dev->channels = tmp006_channels;
243 indio_dev->num_channels = ARRAY_SIZE(tmp006_channels);
244
245 ret = i2c_smbus_read_word_swapped(data->client, TMP006_CONFIG);
246 if (ret < 0)
247 return ret;
248 data->config = ret;
249
242 ret = devm_add_action(&client->dev, tmp006_powerdown_cleanup, data);
250 if ((ret & TMP006_CONFIG_MOD_MASK) != TMP006_CONFIG_MOD_MASK) {
251 ret = tmp006_power(&client->dev, true);
252 if (ret < 0)
253 return ret;
254 }
255
256 ret = devm_add_action_or_reset(&client->dev, tmp006_powerdown_cleanup,
257 &client->dev);
243 if (ret < 0)
244 return ret;
245
246 return devm_iio_device_register(&client->dev, indio_dev);
247}
248
249#ifdef CONFIG_PM_SLEEP
250static int tmp006_suspend(struct device *dev)
251{
258 if (ret < 0)
259 return ret;
260
261 return devm_iio_device_register(&client->dev, indio_dev);
262}
263
264#ifdef CONFIG_PM_SLEEP
265static int tmp006_suspend(struct device *dev)
266{
252 struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
253 return tmp006_powerdown(iio_priv(indio_dev));
267 return tmp006_power(dev, false);
254}
255
256static int tmp006_resume(struct device *dev)
257{
268}
269
270static int tmp006_resume(struct device *dev)
271{
258 struct tmp006_data *data = iio_priv(i2c_get_clientdata(
259 to_i2c_client(dev)));
260 return i2c_smbus_write_word_swapped(data->client, TMP006_CONFIG,
261 data->config | TMP006_CONFIG_MOD_MASK);
272 return tmp006_power(dev, true);
262}
263#endif
264
265static SIMPLE_DEV_PM_OPS(tmp006_pm_ops, tmp006_suspend, tmp006_resume);
266
267static const struct i2c_device_id tmp006_id[] = {
268 { "tmp006", 0 },
269 { }

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274#endif
275
276static SIMPLE_DEV_PM_OPS(tmp006_pm_ops, tmp006_suspend, tmp006_resume);
277
278static const struct i2c_device_id tmp006_id[] = {
279 { "tmp006", 0 },
280 { }

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