diff --git a/README.md b/README.md
index 6f4beb0..9db36bc 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ Modules included in this package
 
 ## Dependencies:
 - make
-- gcc
+- gcc or clang
 - linux-headers
 - dkms (Only when using this module with DKMS functionality)
 
diff --git a/deb/module-name/usr/share/doc/module-name/changelog.gz b/deb/module-name/usr/share/doc/module-name/changelog.gz
index 087542f..d7f4ab5 100644
Binary files a/deb/module-name/usr/share/doc/module-name/changelog.gz and b/deb/module-name/usr/share/doc/module-name/changelog.gz differ
diff --git a/dkms.conf b/dkms.conf
index 5280604..c5afaa2 100644
--- a/dkms.conf
+++ b/dkms.conf
@@ -1,5 +1,5 @@
 PACKAGE_NAME=tuxedo-keyboard
-PACKAGE_VERSION=3.2.1
+PACKAGE_VERSION=3.2.3
 
 DEST_MODULE_LOCATION[0]="/kernel/lib/"
 BUILT_MODULE_NAME[0]="tuxedo_keyboard"
diff --git a/src/clevo_leds.h b/src/clevo_leds.h
index ebd29af..5714756 100644
--- a/src/clevo_leds.h
+++ b/src/clevo_leds.h
@@ -376,7 +376,7 @@ int clevo_leds_remove(struct platform_device *dev) {
 }
 EXPORT_SYMBOL(clevo_leds_remove);
 
-enum clevo_kb_backlight_types clevo_leds_get_backlight_type() {
+enum clevo_kb_backlight_types clevo_leds_get_backlight_type(void) {
 	return clevo_kb_backlight_type;
 }
 EXPORT_SYMBOL(clevo_leds_get_backlight_type);
diff --git a/src/tuxedo_keyboard.c b/src/tuxedo_keyboard.c
index fb1d097..c2d88c4 100644
--- a/src/tuxedo_keyboard.c
+++ b/src/tuxedo_keyboard.c
@@ -22,11 +22,14 @@
 #include "clevo_keyboard.h"
 #include "uniwill_keyboard.h"
 #include <linux/mutex.h>
+#include <asm/cpu_device_id.h>
+#include <asm/intel-family.h>
+#include <linux/mod_devicetable.h>
 
 MODULE_AUTHOR("TUXEDO Computers GmbH <tux@tuxedocomputers.com>");
 MODULE_DESCRIPTION("TUXEDO Computers keyboard & keyboard backlight Driver");
 MODULE_LICENSE("GPL");
-MODULE_VERSION("3.2.1");
+MODULE_VERSION("3.2.3");
 
 static DEFINE_MUTEX(tuxedo_keyboard_init_driver_lock);
 
@@ -158,9 +161,140 @@ void tuxedo_keyboard_remove_driver(struct tuxedo_keyboard_driver *tk_driver)
 }
 EXPORT_SYMBOL(tuxedo_keyboard_remove_driver);
 
+// Defines that might be missing in older kernel headers
+#define INTEL_FAM6_SAPPHIRERAPIDS_X	0x8F
+#define INTEL_FAM6_EMERALDRAPIDS_X	0xCF
+#define INTEL_FAM6_ALDERLAKE		0x97
+#define INTEL_FAM6_ALDERLAKE_L		0x9A
+#define INTEL_FAM6_ALDERLAKE_N		0xBE
+#define INTEL_FAM6_RAPTORLAKE		0xB7
+#define INTEL_FAM6_RAPTORLAKE_P		0xBA
+#define INTEL_FAM6_RAPTORLAKE_S		0xBF
+
+static const struct x86_cpu_id skip_tuxedo_dmi_string_check_match[] __initconst = {
+	X86_MATCH_INTEL_FAM6_MODEL(CORE_YONAH, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(CORE2_MEROM, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(CORE2_MEROM_L, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(CORE2_PENRYN, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(CORE2_DUNNINGTON, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(NEHALEM, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(NEHALEM_G, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(NEHALEM_EP, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(NEHALEM_EX, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(WESTMERE, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(WESTMERE_EP, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(WESTMERE_EX, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(SANDYBRIDGE, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(SANDYBRIDGE_X, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(IVYBRIDGE, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(IVYBRIDGE_X, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(HASWELL, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(HASWELL_X, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(HASWELL_L, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(HASWELL_G, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(BROADWELL, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(BROADWELL_G, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(BROADWELL_X, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(BROADWELL_D, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(SKYLAKE_L, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(SKYLAKE, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(SKYLAKE_X, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(KABYLAKE_L, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(KABYLAKE, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(COMETLAKE, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(COMETLAKE_L, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(CANNONLAKE_L, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_X, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_D, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ICELAKE, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_L, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_NNPI, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(LAKEFIELD, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ROCKETLAKE, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE_L, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(SAPPHIRERAPIDS_X, NULL), // 12th Gen Xeon
+	//X86_MATCH_INTEL_FAM6_MODEL(EMERALDRAPIDS_X, NULL), // 13th Gen Xeon
+	X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE, NULL), // 12th Gen
+	X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, NULL), // 12th Gen
+	X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_N, NULL), // 12th Gen Atom
+	//X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE, NULL), // 13th Gen
+	//X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_P, NULL), // 13th Gen
+	//X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_S, NULL), // 13th Gen
+	X86_MATCH_INTEL_FAM6_MODEL(ATOM_BONNELL, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ATOM_BONNELL_MID, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ATOM_SALTWELL, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ATOM_SALTWELL_MID, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ATOM_SALTWELL_TABLET, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ATOM_SILVERMONT, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ATOM_SILVERMONT_D, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ATOM_SILVERMONT_MID, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ATOM_AIRMONT, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ATOM_AIRMONT_MID, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ATOM_AIRMONT_NP, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ATOM_GOLDMONT, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ATOM_GOLDMONT_D, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ATOM_GOLDMONT_PLUS, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_D, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_L, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(XEON_PHI_KNL, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(XEON_PHI_KNM, NULL),
+	X86_MATCH_VENDOR_FAM_MODEL(INTEL, 5, INTEL_FAM5_QUARK_X1000, NULL),
+	X86_MATCH_VENDOR_FAM(AMD, 5, NULL),
+	X86_MATCH_VENDOR_FAM(AMD, 6, NULL),
+	X86_MATCH_VENDOR_FAM(AMD, 15, NULL),
+	X86_MATCH_VENDOR_FAM(AMD, 16, NULL),
+	X86_MATCH_VENDOR_FAM(AMD, 17, NULL),
+	X86_MATCH_VENDOR_FAM(AMD, 18, NULL),
+	X86_MATCH_VENDOR_FAM(AMD, 19, NULL),
+	X86_MATCH_VENDOR_FAM(AMD, 20, NULL),
+	X86_MATCH_VENDOR_FAM(AMD, 21, NULL),
+	X86_MATCH_VENDOR_FAM(AMD, 22, NULL),
+	X86_MATCH_VENDOR_FAM(AMD, 23, NULL), // Zen, Zen+, Zen 2
+	X86_MATCH_VENDOR_FAM(AMD, 24, NULL), // Zen
+	X86_MATCH_VENDOR_FAM_MODEL(AMD, 25, 0x01, NULL), // Zen 3 Epyc
+	X86_MATCH_VENDOR_FAM_MODEL(AMD, 25, 0x08, NULL), // Zen 3 Threadripper
+	X86_MATCH_VENDOR_FAM_MODEL(AMD, 25, 0x21, NULL), // Zen 3 Vermeer
+	X86_MATCH_VENDOR_FAM_MODEL(AMD, 25, 0x40, NULL), // Zen 3+ Rembrandt
+	X86_MATCH_VENDOR_FAM_MODEL(AMD, 25, 0x44, NULL), // Zen 3+ Rembrandt
+	X86_MATCH_VENDOR_FAM_MODEL(AMD, 25, 0x50, NULL), // Zen 3 Cezanne
+	{ }
+};
+
+static const struct x86_cpu_id force_tuxedo_dmi_string_check_match[] __initconst = {
+	{ }
+};
+
+static const struct dmi_system_id tuxedo_dmi_string_match[] __initconst = {
+	{
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
+		},
+	},
+	{
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "TUXEDO"),
+		},
+	},
+	{
+		.matches = {
+			DMI_MATCH(DMI_CHASSIS_VENDOR, "TUXEDO"),
+		},
+	},
+	{ }
+};
+
 static int __init tuxedo_keyboard_init(void)
 {
 	TUXEDO_INFO("module init\n");
+
+	if (!(dmi_check_system(tuxedo_dmi_string_match)
+	    || (x86_match_cpu(skip_tuxedo_dmi_string_check_match)
+	    && !x86_match_cpu(force_tuxedo_dmi_string_check_match)))) {
+		return -ENODEV;
+	}
+
 	return 0;
 }
 
diff --git a/src/uniwill_leds.h b/src/uniwill_leds.h
index 63639fa..af72863 100644
--- a/src/uniwill_leds.h
+++ b/src/uniwill_leds.h
@@ -252,7 +252,7 @@ EXPORT_SYMBOL(uniwill_leds_init_late);
 int uniwill_leds_remove(struct platform_device *dev)
 {
 	// FIXME Use mutexes
-	int ret;
+	int ret = 0;
 
 	if (uw_leds_initialized) {
 		uw_leds_initialized = false;
@@ -275,7 +275,7 @@ int uniwill_leds_remove(struct platform_device *dev)
 }
 EXPORT_SYMBOL(uniwill_leds_remove);
 
-enum uniwill_kb_backlight_types uniwill_leds_get_backlight_type() {
+enum uniwill_kb_backlight_types uniwill_leds_get_backlight_type(void) {
 	return uniwill_kb_backlight_type;
 }
 EXPORT_SYMBOL(uniwill_leds_get_backlight_type);
diff --git a/src_pkg/rpm_pkg.spec b/src_pkg/rpm_pkg.spec
index 7dd98d5..bda80ad 100644
--- a/src_pkg/rpm_pkg.spec
+++ b/src_pkg/rpm_pkg.spec
@@ -142,6 +142,10 @@ exit 0
 
 
 %changelog
+* Thu Apr 20 2023 C Sandberg <tux@tuxedocomputers.com> 3.2.3-1
+- Fix missing state write on resume for some devices which woke up with "default blue" keyboard backlight
+- Add TDP device definitions for Stellaris Intel Gen5
+- Add device check on newer cpu gens
 * Mon Mar 27 2023 C Sandberg <tux@tuxedocomputers.com> 3.2.1-1
 - Fix "lost fan control" in some circumstances (on eg. IBPGen7)
 * Wed Mar 22 2023 C Sandberg <tux@tuxedocomputers.com> 3.2.0-1