diff --git a/sys/dev/sound/pci/hda/hdaa_patches.c b/sys/dev/sound/pci/hda/hdaa_patches.c
--- a/sys/dev/sound/pci/hda/hdaa_patches.c
+++ b/sys/dev/sound/pci/hda/hdaa_patches.c
@@ -389,6 +389,16 @@
 			patch = "as=1 seq=15";
 			break;
 		}
+	} else if (id == HDA_CODEC_ALC257 &&
+	    (subid == LENOVO_L5AMD_SUBVENDOR)) {
+		switch (nid) {
+		case 20:
+			patch = "as=1 seq=0";
+			break;
+		case 33:
+			patch = "as=1 seq=15";
+			break;
+		}
 	} else if (id == HDA_CODEC_ALC285 &&
 	    (subid == LENOVO_X120KH_SUBVENDOR ||
 	    subid == LENOVO_X120QD_SUBVENDOR)) {
@@ -808,10 +818,10 @@
 		    subid == 0x834a1043 || subid == 0x83981043 ||
 		    subid == 0x83ce1043) {
 			/*
-			 * The ditital mics on some Asus laptops produce
+			 * The digital mics on some Asus laptops produce
 			 * differential signals instead of expected stereo.
 			 * That results in silence if downmix it to mono.
-			 * To workaround, make codec to handle signal as mono.
+			 * To workaround, make codec handle signal as mono.
 			 */
 			val = hdaa_read_coef(dev, 0x20, 0x07);
 			hdaa_write_coef(dev, 0x20, 0x07, val|0x80);
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
@@ -288,6 +288,7 @@
 #define	LENOVO_T520_SUBVENDOR	HDA_MODEL_CONSTRUCT(LENOVO, 0x21cf)
 #define	LENOVO_T530_SUBVENDOR	HDA_MODEL_CONSTRUCT(LENOVO, 0x21f6)
 #define	LENOVO_G580_SUBVENDOR	HDA_MODEL_CONSTRUCT(LENOVO, 0x3977)
+#define	LENOVO_L5AMD_SUBVENDOR	HDA_MODEL_CONSTRUCT(LENOVO, 0x381b)
 #define LENOVO_ALL_SUBVENDOR	HDA_MODEL_CONSTRUCT(LENOVO, 0xffff)
 
 /* Samsung */