diff --git a/sound/pci/hda/hda_auto_parser.c b/sound/pci/hda/hda_auto_parser.c
index 4ad29f8d7a4a..a03cf68d0bcd 100644
--- a/sound/pci/hda/hda_auto_parser.c
+++ b/sound/pci/hda/hda_auto_parser.c
@@ -884,6 +884,8 @@ void snd_hda_apply_fixup(struct hda_codec *codec, int action)
 }
 EXPORT_SYMBOL_GPL(snd_hda_apply_fixup);
 
+#define IGNORE_SEQ_ASSOC (~(AC_DEFCFG_SEQUENCE | AC_DEFCFG_DEF_ASSOC))
+
 static bool pin_config_match(struct hda_codec *codec,
 			     const struct hda_pintbl *pins)
 {
@@ -901,7 +903,7 @@ static bool pin_config_match(struct hda_codec *codec,
 		for (; t_pins->nid; t_pins++) {
 			if (t_pins->nid == nid) {
 				found = 1;
-				if ((t_pins->val & 0xfffffff0) == (cfg & 0xfffffff0))
+				if ((t_pins->val & IGNORE_SEQ_ASSOC) == (cfg & IGNORE_SEQ_ASSOC))
 					break;
 				else if ((cfg & 0xf0000000) == 0x40000000 && (t_pins->val & 0xf0000000) == 0x40000000)
 					break;
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index ed62748a6d55..c15c51bea26d 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -262,6 +262,7 @@ enum {
 	CXT_FIXUP_CAP_MIX_AMP_5047,
 	CXT_FIXUP_MUTE_LED_EAPD,
 	CXT_FIXUP_HP_SPECTRE,
+	CXT_FIXUP_HP_GATE_MIC,
 };
 
 /* for hda_fixup_thinkpad_acpi() */
@@ -633,6 +634,17 @@ static void cxt_fixup_cap_mix_amp_5047(struct hda_codec *codec,
 				  (1 << AC_AMPCAP_MUTE_SHIFT));
 }
 
+static void cxt_fixup_hp_gate_mic_jack(struct hda_codec *codec,
+				       const struct hda_fixup *fix,
+				       int action)
+{
+	/* the mic pin (0x19) doesn't give an unsolicited event;
+	 * probe the mic pin together with the headphone pin (0x16)
+	 */
+	if (action == HDA_FIXUP_ACT_PROBE)
+		snd_hda_jack_set_gating_jack(codec, 0x19, 0x16);
+}
+
 /* ThinkPad X200 & co with cxt5051 */
 static const struct hda_pintbl cxt_pincfg_lenovo_x200[] = {
 	{ 0x16, 0x042140ff }, /* HP (seq# overridden) */
@@ -774,6 +786,10 @@ static const struct hda_fixup cxt_fixups[] = {
 			{ }
 		}
 	},
+	[CXT_FIXUP_HP_GATE_MIC] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = cxt_fixup_hp_gate_mic_jack,
+	},
 };
 
 static const struct snd_pci_quirk cxt5045_fixups[] = {
@@ -824,6 +840,7 @@ static const struct snd_pci_quirk cxt5066_fixups[] = {
 	SND_PCI_QUIRK(0x1025, 0x054c, "Acer Aspire 3830TG", CXT_FIXUP_ASPIRE_DMIC),
 	SND_PCI_QUIRK(0x1025, 0x054f, "Acer Aspire 4830T", CXT_FIXUP_ASPIRE_DMIC),
 	SND_PCI_QUIRK(0x103c, 0x8174, "HP Spectre x360", CXT_FIXUP_HP_SPECTRE),
+	SND_PCI_QUIRK(0x103c, 0x8115, "HP Z1 Gen3", CXT_FIXUP_HP_GATE_MIC),
 	SND_PCI_QUIRK(0x1043, 0x138d, "Asus", CXT_FIXUP_HEADPHONE_MIC_PIN),
 	SND_PCI_QUIRK(0x152d, 0x0833, "OLPC XO-1.5", CXT_FIXUP_OLPC_XO),
 	SND_PCI_QUIRK(0x17aa, 0x20f2, "Lenovo T400", CXT_PINCFG_LENOVO_TP410),
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index a2931f49a1fc..57b0d9968ec2 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -384,6 +384,9 @@ static void snd_complete_urb(struct urb *urb)
 	if (unlikely(atomic_read(&ep->chip->shutdown)))
 		goto exit_clear;
 
+	if (unlikely(!test_bit(EP_FLAG_RUNNING, &ep->flags)))
+		goto exit_clear;
+
 	if (usb_pipeout(ep->pipe)) {
 		retire_outbound_urb(ep, ctx);
 		/* can be stopped during retire callback */
@@ -534,6 +537,11 @@ static int wait_clear_urbs(struct snd_usb_endpoint *ep)
 			alive, ep->ep_num);
 	clear_bit(EP_FLAG_STOPPING, &ep->flags);
 
+	ep->data_subs = NULL;
+	ep->sync_slave = NULL;
+	ep->retire_data_urb = NULL;
+	ep->prepare_data_urb = NULL;
+
 	return 0;
 }
 
@@ -1006,10 +1014,6 @@ void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep)
 
 	if (--ep->use_count == 0) {
 		deactivate_urbs(ep, false);
-		ep->data_subs = NULL;
-		ep->sync_slave = NULL;
-		ep->retire_data_urb = NULL;
-		ep->prepare_data_urb = NULL;
 		set_bit(EP_FLAG_STOPPING, &ep->flags);
 	}
 }
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 2f8c388ef84f..4703caea56b2 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -932,9 +932,10 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
 	case USB_ID(0x046d, 0x0826): /* HD Webcam c525 */
 	case USB_ID(0x046d, 0x08ca): /* Logitech Quickcam Fusion */
 	case USB_ID(0x046d, 0x0991):
+	case USB_ID(0x046d, 0x09a2): /* QuickCam Communicate Deluxe/S7500 */
 	/* Most audio usb devices lie about volume resolution.
 	 * Most Logitech webcams have res = 384.
-	 * Proboly there is some logitech magic behind this number --fishor
+	 * Probably there is some logitech magic behind this number --fishor
 	 */
 		if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
 			usb_audio_info(chip,