diff --git a/sys/dev/sound/pci/hda/hdac.h b/sys/dev/sound/pci/hda/hdac.h
--- a/sys/dev/sound/pci/hda/hdac.h
+++ b/sys/dev/sound/pci/hda/hdac.h
@@ -70,6 +70,7 @@
 #define HDA_INTEL_BXTNP                HDA_MODEL_CONSTRUCT(INTEL, 0x5a98)
 #define HDA_INTEL_MACBOOKPRO92 HDA_MODEL_CONSTRUCT(INTEL, 0x7270)
 #define HDA_INTEL_ALLK         HDA_MODEL_CONSTRUCT(INTEL, 0x7ad0)
+#define HDA_INTEL_ALLKH                HDA_MODEL_CONSTRUCT(INTEL, 0x51c8)
 #define HDA_INTEL_ALLKM                HDA_MODEL_CONSTRUCT(INTEL, 0x51cc)
 #define HDA_INTEL_ALLKN                HDA_MODEL_CONSTRUCT(INTEL, 0x54c8)
 #define HDA_INTEL_ALLKP1       HDA_MODEL_CONSTRUCT(INTEL, 0x51c8)
diff --git a/sys/dev/sound/pci/hda/hdac.c b/sys/dev/sound/pci/hda/hdac.c
--- a/sys/dev/sound/pci/hda/hdac.c
+++ b/sys/dev/sound/pci/hda/hdac.c
@@ -110,6 +110,7 @@
        { HDA_INTEL_TGLKH,   "Intel Tiger Lake-H",      0, 0 },
        { HDA_INTEL_GMLK,    "Intel Gemini Lake",       0, 0 },
        { HDA_INTEL_ALLK,    "Intel Alder Lake",        0, 0 },
+       { HDA_INTEL_ALLKH,   "Intel Alder Lake-H",      0, 0 },
        { HDA_INTEL_ALLKM,   "Intel Alder Lake-M",      0, 0 },
        { HDA_INTEL_ALLKN,   "Intel Alder Lake-N",      0, 0 },
        { HDA_INTEL_ALLKP1,  "Intel Alder Lake-P",      0, 0 },