linux-kernel - [PATCH] hwmon: (dell-smm) Add XPS 9315 to fan control whitelist

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Message-Id: <20240309212025.13758-1-W_Armin@gmx.de>
Date: Sat,  9 Mar 2024 22:20:25 +0100
From: Armin Wolf <W_Armin@....de>
To: pali@...nel.org
Cc: jdelvare@...e.com,
	linux@...ck-us.net,
	linux-hwmon@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] hwmon: (dell-smm) Add XPS 9315 to fan control whitelist

A user reported that on this machine, disabling BIOS fan control
is necessary in order to change the fan speed.

Signed-off-by: Armin Wolf <W_Armin@....de>
---
 drivers/hwmon/dell-smm-hwmon.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmonc
index 6d8c0f328b7b..4fa837e65a61 100644
--- a/drivers/hwmon/dell-smm-hwmon.c
+++ b/drivers/hwmon/dell-smm-hwmon.c
@@ -1450,10 +1450,15 @@ struct i8k_fan_control_data {
 };

 enum i8k_fan_controls {
+	I8K_FAN_30A3_31A3,
 	I8K_FAN_34A3_35A3,
 };

 static const struct i8k_fan_control_data i8k_fan_control_data[] __initconst = {
+	[I8K_FAN_30A3_31A3] = {
+		.manual_fan = 0x30a3,
+		.auto_fan = 0x31a3,
+	},
 	[I8K_FAN_34A3_35A3] = {
 		.manual_fan = 0x34a3,
 		.auto_fan = 0x35a3,
@@ -1517,6 +1522,14 @@ static const struct dmi_system_id i8k_whitelist_fan_control[] __initconst = {
 		},
 		.driver_data = (void *)&i8k_fan_control_data[I8K_FAN_34A3_35A3],
 	},
+	{
+		.ident = "Dell XPS 9315",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "XPS 9315"),
+		},
+		.driver_data = (void *)&i8k_fan_control_data[I8K_FAN_30A3_31A3],
+	},
 	{ }
 };

--
2.39.2