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hwmon: (dell-smm) Add Latitude 5420 to fan control whitelist

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A user reported that the Dell Latitude 5420 needs to be whitelisted
for the special SMM calls necessary for globally enabling/disabling
BIOS fan control.

Reported-by: pp12313124124@gmail.com
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=221935
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://patch.msgid.link/20260901181849.241776-2-W_Armin@gmx.de
Acked-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Armin Wolf 2026-09-01 20:18:49 +02:00 committed by Guenter Roeck
parent b8d4ca3c79
commit eeb6b0c755
1 changed files with 8 additions and 0 deletions
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8
drivers/hwmon/dell-smm-hwmon.c
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@ -1543,6 +1543,14 @@ static const struct dmi_system_id i8k_whitelist_fan_control[] __initconst = {
},
.driver_data = (void *)&i8k_fan_control_data[I8K_FAN_34A3_35A3],
},
{
.ident = "Dell Latitude 5420",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Latitude 5420"),
},
.driver_data = (void *)&i8k_fan_control_data[I8K_FAN_30A3_31A3],
},
{
.ident = "Dell Latitude 5480",
.matches = {