diff --git a/sound/pci/hda/patch_si3054.c b/sound/pci/hda/patch_si3054.c
index 5dd9f61b7cba4cdb9f7b791fb05dd2eaf4b737fe..6d2ecc38905cebf17e34db6e7081135f1b215df8 100644
--- a/sound/pci/hda/patch_si3054.c
+++ b/sound/pci/hda/patch_si3054.c
@@ -308,6 +308,8 @@ struct hda_codec_preset snd_hda_preset_si3054[] = {
 	{ .id = 0x11063288, .name = "Si3054", .patch = patch_si3054 },
 	/* Asus A8J Modem (SM56) */
 	{ .id = 0x15433155, .name = "Si3054", .patch = patch_si3054 },
+	/* LG LW20 modem */
+	{ .id = 0x18540018, .name = "Si3054", .patch = patch_si3054 },
 	{}
 };