[PATCH 4/4] hwmon: (dell-smm) Add support for Dell OptiPlex 7040

From: Armin Wolf
Date: Wed Sep 17 2025 - 14:11:20 EST


The Dell OptiPlex 7040 supports the legacy SMM interface for reading
sensors and performing fan control. Whitelist this machine so that
this driver loads automatically.

Closes: https://github.com/Wer-Wolf/i8kutils/issues/15
Signed-off-by: Armin Wolf <W_Armin@xxxxxx>
---
drivers/hwmon/dell-smm-hwmon.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c
index 79befa13b699..cbe1a74a3dee 100644
--- a/drivers/hwmon/dell-smm-hwmon.c
+++ b/drivers/hwmon/dell-smm-hwmon.c
@@ -1330,6 +1330,13 @@ static const struct dmi_system_id i8k_dmi_table[] __initconst = {
DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "OptiPlex 7050"),
},
},
+ {
+ .ident = "Dell OptiPlex 7040",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "OptiPlex 7040"),
+ },
+ },
{
.ident = "Dell Precision",
.matches = {
--
2.39.5