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

[Yasin Lee <yasin.lee.x@gmail.com>]

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@gmail.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