Commit c874b6de authored by Thomas Weißschuh's avatar Thomas Weißschuh Committed by Hans de Goede
Browse files

platform/x86: asus-wmi: Add quirk wmi_ignore_fan 



Some laptops have a fan device listed in their ACPI tables but do not
actually contain a fan.
Introduce a quirk that can be used to override the fan detection logic.

This was observed with a ASUS VivoBook E410MA running firmware
E410MAB.304.

Signed-off-by: default avatarThomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20221221-asus-fan-v1-1-e07f3949725b@weissschuh.net


Reviewed-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
parent db949489

drivers/platform/x86/asus-wmi.c

+3 −1
Original line number Diff line number Diff line
@@ -2243,7 +2243,9 @@ static int asus_wmi_fan_init(struct asus_wmi *asus) 
	asus->fan_type = FAN_TYPE_NONE;

	asus->agfn_pwm = -1;



	if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_CPU_FAN_CTRL))

	if (asus->driver->quirks->wmi_ignore_fan)

		asus->fan_type = FAN_TYPE_NONE;

	else if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_CPU_FAN_CTRL))

		asus->fan_type = FAN_TYPE_SPEC83;

	else if (asus_wmi_has_agfn_fan(asus))

		asus->fan_type = FAN_TYPE_AGFN;

drivers/platform/x86/asus-wmi.h

+1 −0
Original line number Diff line number Diff line
@@ -38,6 +38,7 @@ struct quirk_entry { 
	bool store_backlight_power;

	bool wmi_backlight_set_devstate;

	bool wmi_force_als_set;

	bool wmi_ignore_fan;

	enum asus_wmi_tablet_switch_mode tablet_switch_mode;

	int wapf;

	/*