linux-kernel - [PATCH 2/3] platform/x86: asus-wmi: Ignore fan on E410MA

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Message-Id: <20221221-asus-fan-v1-2-e07f3949725b@weissschuh.net>
Date:   Wed, 21 Dec 2022 17:59:50 +0000
From:   Thomas Weißschuh <linux@...ssschuh.net>
To:     Corentin Chary <corentin.chary@...il.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Mark Gross <markgross@...nel.org>,
        "Luke D. Jones" <luke@...nes.dev>
Cc:     acpi4asus-user@...ts.sourceforge.net,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
        Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH 2/3] platform/x86: asus-wmi: Ignore fan on E410MA

The ASUS VivoBook has a fan device described in its ACPI tables but does
not actually contain any physical fan.
Use the quirk to inhibit fan handling.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 drivers/platform/x86/asus-nb-wmi.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c
index c685a705b73d..5b603c686c8a 100644
--- a/drivers/platform/x86/asus-nb-wmi.c
+++ b/drivers/platform/x86/asus-nb-wmi.c
@@ -121,6 +121,10 @@ static struct quirk_entry quirk_asus_tablet_mode = {
 	.tablet_switch_mode = asus_wmi_lid_flip_rog_devid,
 };
 
+static struct quirk_entry quirk_asus_ignore_fan = {
+	.wmi_ignore_fan = true,
+};
+
 static int dmi_matched(const struct dmi_system_id *dmi)
 {
 	pr_info("Identified laptop model '%s'\n", dmi->ident);
@@ -473,6 +477,15 @@ static const struct dmi_system_id asus_quirks[] = {
 		},
 		.driver_data = &quirk_asus_tablet_mode,
 	},
+	{
+		.callback = dmi_matched,
+		.ident = "ASUS VivoBook E410MA",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "E410MA"),
+		},
+		.driver_data = &quirk_asus_ignore_fan,
+	},
 	{},
 };
 

-- 
2.39.0