D30333.1776554611.diff
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	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 */