iio: magnetometer: ak8975: Relax failure on unknown id

Relax failure when driver gets an unknown device id for
allow probe for register compatible devices.

Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
Link: https://patch.msgid.link/20240819-ak09918-v4-1-f0734d14cfb9@mainlining.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c
index ccbebe5b66cde28b90b563c359d9e08f051f5ad6..67d5d1f2402ff373ba02ca5253ad38b54c93d5e5 100644 (file)
--- a/drivers/iio/magnetometer/ak8975.c
+++ b/drivers/iio/magnetometer/ak8975.c
@@ -484,10 +484,14 @@ static int ak8975_who_i_am(struct i2c_client *client,
                if (wia_val[1] == AK09916_DEVICE_ID)
                        return 0;
                break;
-       default:
-               dev_err(&client->dev, "Type %d unknown\n", type);
        }
-       return -ENODEV;
+
+       dev_info(&client->dev, "Device ID %x is unknown.\n", wia_val[1]);
+       /*
+        * Let driver to probe on unknown id for support more register
+        * compatible variants.
+        */
+       return 0;
 }
 
 /*