linux-kernel - [PATCH 1/2] hwmon: (nzxt-kraken3) Decouple device names from kinds

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Date: Sun, 28 Apr 2024 12:48:10 +0200
From: Aleksa Savic <savicaleksa83@...il.com>
To: linux-hwmon@...r.kernel.org
Cc: Aleksa Savic <savicaleksa83@...il.com>,
	Jonas Malaco <jonas@...tocubo.io>,
	Jean Delvare <jdelvare@...e.com>,
	Guenter Roeck <linux@...ck-us.net>,
	Jonathan Corbet <corbet@....net>,
	linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] hwmon: (nzxt-kraken3) Decouple device names from kinds

Prepare for the support of new models, for which the relationship
between device name (for hwmon and debugfs) and kind (for the selection
of appropriate code paths within this driver) will no longer be 1:1.

Originally-from: Jonas Malaco <jonas@...tocubo.io>
Signed-off-by: Aleksa Savic <savicaleksa83@...il.com>
---
 drivers/hwmon/nzxt-kraken3.c | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/hwmon/nzxt-kraken3.c b/drivers/hwmon/nzxt-kraken3.c
index 5806a3f32bcb..571087e3fd3e 100644
--- a/drivers/hwmon/nzxt-kraken3.c
+++ b/drivers/hwmon/nzxt-kraken3.c
@@ -27,11 +27,6 @@
 enum kinds { X53, Z53 } __packed;
 enum pwm_enable { off, manual, curve } __packed;
 
-static const char *const kraken3_device_names[] = {
-	[X53] = "x53",
-	[Z53] = "z53",
-};
-
 #define DRIVER_NAME		"nzxt_kraken3"
 #define STATUS_REPORT_ID	0x75
 #define FIRMWARE_REPORT_ID	0x11
@@ -849,14 +844,14 @@ static int firmware_version_show(struct seq_file *seqf, void *unused)
 }
 DEFINE_SHOW_ATTRIBUTE(firmware_version);
 
-static void kraken3_debugfs_init(struct kraken3_data *priv)
+static void kraken3_debugfs_init(struct kraken3_data *priv, const char *device_name)
 {
 	char name[64];
 
 	if (!priv->firmware_version[0])
 		return;		/* Nothing to display in debugfs */
 
-	scnprintf(name, sizeof(name), "%s_%s-%s", DRIVER_NAME, kraken3_device_names[priv->kind],
+	scnprintf(name, sizeof(name), "%s_%s-%s", DRIVER_NAME, device_name,
 		  dev_name(&priv->hdev->dev));
 
 	priv->debugfs = debugfs_create_dir(name, NULL);
@@ -866,6 +861,7 @@ static void kraken3_debugfs_init(struct kraken3_data *priv)
 static int kraken3_probe(struct hid_device *hdev, const struct hid_device_id *id)
 {
 	struct kraken3_data *priv;
+	const char *device_name;
 	int ret;
 
 	priv = devm_kzalloc(&hdev->dev, sizeof(*priv), GFP_KERNEL);
@@ -905,9 +901,11 @@ static int kraken3_probe(struct hid_device *hdev, const struct hid_device_id *id
 	case USB_PRODUCT_ID_X53:
 	case USB_PRODUCT_ID_X53_SECOND:
 		priv->kind = X53;
+		device_name = "x53";
 		break;
 	case USB_PRODUCT_ID_Z53:
 		priv->kind = Z53;
+		device_name = "z53";
 		break;
 	default:
 		break;
@@ -936,8 +934,7 @@ static int kraken3_probe(struct hid_device *hdev, const struct hid_device_id *id
 	if (ret < 0)
 		hid_warn(hdev, "fw version request failed with %d\n", ret);
 
-	priv->hwmon_dev = hwmon_device_register_with_info(&hdev->dev,
-							  kraken3_device_names[priv->kind], priv,
+	priv->hwmon_dev = hwmon_device_register_with_info(&hdev->dev, device_name, priv,
 							  &kraken3_chip_info, kraken3_groups);
 	if (IS_ERR(priv->hwmon_dev)) {
 		ret = PTR_ERR(priv->hwmon_dev);
@@ -945,7 +942,7 @@ static int kraken3_probe(struct hid_device *hdev, const struct hid_device_id *id
 		goto fail_and_close;
 	}
 
-	kraken3_debugfs_init(priv);
+	kraken3_debugfs_init(priv, device_name);
 
 	return 0;
 
-- 
2.44.0