linux-kernel - [PATCH 3/5] iio: proximity: hx9023s: support firmware-name property

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Message-Id: <20260209-upstream-20260219-v1-3-2b4d74e309d1@gmail.com>
Date: Mon, 09 Feb 2026 11:37:04 +0800
From: Yasin Lee <yasin.lee.x@...il.com>
To: Jonathan Cameron <jic23@...nel.org>, 
 David Lechner <dlechner@...libre.com>, 
 Nuno Sá <nuno.sa@...log.com>, 
 Andy Shevchenko <andy@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, yasin.lee.x@...look.com
Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, Yasin Lee <yasin.lee.x@...il.com>
Subject: [PATCH 3/5] iio: proximity: hx9023s: support firmware-name
 property

Add an optional firmware-name property to specify the firmware file.
If not provided, the driver falls back to the default firmware name.

Signed-off-by: Yasin Lee <yasin.lee.x@...il.com>
---
 drivers/iio/proximity/hx9023s.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/proximity/hx9023s.c b/drivers/iio/proximity/hx9023s.c
index eb4902d18d74..b680b89956bd 100644
--- a/drivers/iio/proximity/hx9023s.c
+++ b/drivers/iio/proximity/hx9023s.c
@@ -1089,6 +1089,7 @@ static int hx9023s_probe(struct i2c_client *client)
 	struct device *dev = &client->dev;
 	struct iio_dev *indio_dev;
 	struct hx9023s_data *data;
+	const char *fw_name = "hx9023s.bin";
 	int ret;
 
 	indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
@@ -1111,6 +1112,10 @@ static int hx9023s_probe(struct i2c_client *client)
 	if (ret)
 		return dev_err_probe(dev, ret, "regulator get failed\n");
 
+	ret = device_property_read_string(dev, "firmware-name", &fw_name);
+	if (ret && ret != -EINVAL)
+		return dev_err_probe(dev, ret, "failed to read firmware-name\n");
+
 	ret = hx9023s_id_check(indio_dev);
 	if (ret)
 		return dev_err_probe(dev, ret, "id check failed\n");
@@ -1126,7 +1131,7 @@ static int hx9023s_probe(struct i2c_client *client)
 	if (ret)
 		return dev_err_probe(dev, ret, "channel config failed\n");
 
-	ret = request_firmware_nowait(THIS_MODULE, true, "hx9023s.bin", dev,
+	ret = request_firmware_nowait(THIS_MODULE, true, fw_name, dev,
 				      GFP_KERNEL, data, hx9023s_cfg_update);
 	if (ret)
 		return dev_err_probe(dev, ret, "reg config failed\n");

-- 
2.43.0