diff mbox series

[v5,4/7] iio: potentiometer: Change to firmware provided data

Message ID 20220223163525.13399-5-jagathjog1996@gmail.com (mailing list archive)
State Accepted
Headers show
Series iio: potentiometer: Add support for DS3502 | expand

Commit Message

Jagath Jog J Feb. 23, 2022, 4:35 p.m. UTC 
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>
---
 drivers/iio/potentiometer/ds1803.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/iio/potentiometer/ds1803.c b/drivers/iio/potentiometer/ds1803.c
index f93cd342e09a..aeb74ee46fbc 100644
--- a/drivers/iio/potentiometer/ds1803.c
+++ b/drivers/iio/potentiometer/ds1803.c
@@ -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;