diff options
Diffstat (limited to 'drivers/iio/adc/ti-adc081c.c')
| -rw-r--r-- | drivers/iio/adc/ti-adc081c.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/iio/adc/ti-adc081c.c b/drivers/iio/adc/ti-adc081c.c index 9fd032d9f402..f8807adc08c4 100644 --- a/drivers/iio/adc/ti-adc081c.c +++ b/drivers/iio/adc/ti-adc081c.c @@ -22,6 +22,7 @@ #include <linux/i2c.h> #include <linux/module.h> #include <linux/of.h> +#include <linux/acpi.h> #include <linux/iio/iio.h> #include <linux/iio/buffer.h> @@ -149,12 +150,24 @@ static int adc081c_probe(struct i2c_client *client, { struct iio_dev *iio; struct adc081c *adc; - struct adcxx1c_model *model = &adcxx1c_models[id->driver_data]; + struct adcxx1c_model *model; int err; if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA)) return -EOPNOTSUPP; + if (ACPI_COMPANION(&client->dev)) { + const struct acpi_device_id *ad_id; + + ad_id = acpi_match_device(client->dev.driver->acpi_match_table, + &client->dev); + if (!ad_id) + return -ENODEV; + model = &adcxx1c_models[ad_id->driver_data]; + } else { + model = &adcxx1c_models[id->driver_data]; + } + iio = devm_iio_device_alloc(&client->dev, sizeof(*adc)); if (!iio) return -ENOMEM; @@ -231,10 +244,21 @@ static const struct of_device_id adc081c_of_match[] = { MODULE_DEVICE_TABLE(of, adc081c_of_match); #endif +#ifdef CONFIG_ACPI +static const struct acpi_device_id adc081c_acpi_match[] = { + { "ADC081C", ADC081C }, + { "ADC101C", ADC101C }, + { "ADC121C", ADC121C }, + { } +}; +MODULE_DEVICE_TABLE(acpi, adc081c_acpi_match); +#endif + static struct i2c_driver adc081c_driver = { .driver = { .name = "adc081c", .of_match_table = of_match_ptr(adc081c_of_match), + .acpi_match_table = ACPI_PTR(adc081c_acpi_match), }, .probe = adc081c_probe, .remove = adc081c_remove, |