From: Barnabás Czémán <barnabas.czeman@mainlining.org>
Date: Sun, 18 Aug 2024 22:29:39 +0000 (+0200)
Subject: iio: magnetometer: ak8975: Relax failure on unknown id
X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3b92fc43bfd961fe83c82efd6bc8a852a29ea4de;p=linux

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 ccbebe5b66cd..67d5d1f2402f 100644
--- 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;
 }
 
 /*