iio: adc: ti-adc081c: add ACPI device ID matching
Add ACPI device ID matching for TI ADC081C/ADC101C/ADC121C ADCs. Signed-off-by: Dan O'Donovan <dan@emutex.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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@ -22,6 +22,7 @@
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#include <linux/i2c.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/acpi.h>
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#include <linux/iio/iio.h>
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#include <linux/iio/buffer.h>
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@ -149,12 +150,24 @@ static int adc081c_probe(struct i2c_client *client,
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{
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struct iio_dev *iio;
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struct adc081c *adc;
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struct adcxx1c_model *model = &adcxx1c_models[id->driver_data];
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struct adcxx1c_model *model;
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int err;
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if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA))
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return -EOPNOTSUPP;
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if (ACPI_COMPANION(&client->dev)) {
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const struct acpi_device_id *ad_id;
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ad_id = acpi_match_device(client->dev.driver->acpi_match_table,
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&client->dev);
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if (!ad_id)
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return -ENODEV;
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model = &adcxx1c_models[ad_id->driver_data];
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} else {
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model = &adcxx1c_models[id->driver_data];
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}
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iio = devm_iio_device_alloc(&client->dev, sizeof(*adc));
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if (!iio)
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return -ENOMEM;
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@ -231,10 +244,21 @@ static const struct of_device_id adc081c_of_match[] = {
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MODULE_DEVICE_TABLE(of, adc081c_of_match);
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#endif
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#ifdef CONFIG_ACPI
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static const struct acpi_device_id adc081c_acpi_match[] = {
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{ "ADC081C", ADC081C },
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{ "ADC101C", ADC101C },
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{ "ADC121C", ADC121C },
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{ }
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};
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MODULE_DEVICE_TABLE(acpi, adc081c_acpi_match);
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#endif
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static struct i2c_driver adc081c_driver = {
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.driver = {
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.name = "adc081c",
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.of_match_table = of_match_ptr(adc081c_of_match),
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.acpi_match_table = ACPI_PTR(adc081c_acpi_match),
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},
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.probe = adc081c_probe,
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.remove = adc081c_remove,
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