hwmon: (dell-smm) Add Dell Latitude E7440 to fan control whitelist

Allow manual PWM control on Dell Latitude E7440.
Reviewed-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20210411095741.zmllsuc7pevdipvy@icloud.comSigned-off-by: Sebastian Oechsle <setboolean@icloud.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

drivers/hwmon/dell-smm-hwmon.c

@@ -1210,6 +1210,14 @@ static struct dmi_system_id i8k_whitelist_fan_control[] __initdata = {
 		},
 		.driver_data = (void *)&i8k_fan_control_data[I8K_FAN_34A3_35A3],
 	},
+	{
+		.ident = "Dell Latitude E7440",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Latitude E7440"),
+		},
+		.driver_data = (void *)&i8k_fan_control_data[I8K_FAN_34A3_35A3],
+	},
 	{ }
 };