iio: potentiometer: ds1803: Change to firmware provided data

Using firmware provided data to get the device specific
structure if not available fall back to id->driver_data.

Signed-off-by: Jagath Jog J <jagathjog1996@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220223163525.13399-5-jagathjog1996@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Jagath Jog J 2022-02-23 22:05:22 +05:30 committed by Jonathan Cameron
parent a98d2b029b
commit 6450b62cb2

View file

@ -15,6 +15,7 @@
#include <linux/iio/iio.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/property.h>
#define DS1803_WIPER_0 0xA9
#define DS1803_WIPER_1 0xAA
@ -166,7 +167,9 @@ static int ds1803_probe(struct i2c_client *client, const struct i2c_device_id *i
data = iio_priv(indio_dev);
data->client = client;
data->cfg = &ds1803_cfg[id->driver_data];
data->cfg = device_get_match_data(dev);
if (!data->cfg)
data->cfg = &ds1803_cfg[id->driver_data];
indio_dev->info = &ds1803_info;
indio_dev->channels = data->cfg->channels;