linux-kernel - [PATCH v4 4/7] iio: potentiometer: Change to firmware provided data

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Message-Id: <20220220024632.4183-5-jagathjog1996@gmail.com>
Date:   Sun, 20 Feb 2022 08:16:29 +0530
From:   Jagath Jog J <jagathjog1996@...il.com>
To:     jic23@...nel.org, lars@...afoo.de, andy.shevchenko@...il.com,
        sst@...zta.fm, robh+dt@...nel.org
Cc:     linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v4 4/7] iio: potentiometer: 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@...il.com>
---
 drivers/iio/potentiometer/ds1803.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/potentiometer/ds1803.c b/drivers/iio/potentiometer/ds1803.c
index cf822e21284e..3b86a4106277 100644
--- a/drivers/iio/potentiometer/ds1803.c
+++ b/drivers/iio/potentiometer/ds1803.c
@@ -154,7 +154,9 @@ 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;
-- 
2.17.1