Reset to 3.12.37

11 files changed, 286 insertions, 205 deletions

diff --git a/sound/usb/card.c b/sound/usb/card.c
index 64952e2..4476b90 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -307,6 +307,11 @@ static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif)
 
 static int snd_usb_audio_free(struct snd_usb_audio *chip)
 {
+	struct list_head *p, *n;
+
+	list_for_each_safe(p, n, &chip->ep_list)
+		snd_usb_endpoint_free(p);
+
 	mutex_destroy(&chip->mutex);
 	kfree(chip);
 	return 0;
@@ -583,27 +588,30 @@ static void snd_usb_audio_disconnect(struct usb_device *dev,
 				     struct snd_usb_audio *chip)
 {
 	struct snd_card *card;
-	struct list_head *p, *n;
+	struct list_head *p;
+	bool was_shutdown;
 
 	if (chip == (void *)-1L)
 		return;
 
 	card = chip->card;
 	down_write(&chip->shutdown_rwsem);
+	was_shutdown = chip->shutdown;
 	chip->shutdown = 1;
 	up_write(&chip->shutdown_rwsem);
 
 	mutex_lock(&register_mutex);
-	chip->num_interfaces--;
-	if (chip->num_interfaces <= 0) {
+	if (!was_shutdown) {
+		struct snd_usb_endpoint *ep;
+
 		snd_card_disconnect(card);
 		/* release the pcm resources */
 		list_for_each(p, &chip->pcm_list) {
 			snd_usb_stream_disconnect(p);
 		}
 		/* release the endpoint resources */
-		list_for_each_safe(p, n, &chip->ep_list) {
-			snd_usb_endpoint_free(p);
+		list_for_each_entry(ep, &chip->ep_list, list) {
+			snd_usb_endpoint_release(ep);
 		}
 		/* release the midi resources */
 		list_for_each(p, &chip->midi_list) {
@@ -613,6 +621,10 @@ static void snd_usb_audio_disconnect(struct usb_device *dev,
 		list_for_each(p, &chip->mixer_list) {
 			snd_usb_mixer_disconnect(p);
 		}
+	}
+
+	chip->num_interfaces--;
+	if (chip->num_interfaces <= 0) {
 		usb_chip[chip->index] = NULL;
 		mutex_unlock(&register_mutex);
 		snd_card_free_when_closed(card);
diff --git a/sound/usb/card.h b/sound/usb/card.h
index 5ecacaa..2d30a9e6 100644
--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -91,6 +91,7 @@ struct snd_usb_endpoint {
 	unsigned int curframesize;      /* current packet size in frames (for capture) */
 	unsigned int syncmaxsize;	/* sync endpoint packet size */
 	unsigned int fill_max:1;	/* fill max packet size always */
+	unsigned int udh01_fb_quirk:1;	/* corrupted feedback data */
 	unsigned int datainterval;      /* log_2 of data packet interval */
 	unsigned int syncinterval;	/* P for adaptive mode, 0 otherwise */
 	unsigned char silence_value;
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 93e970f..b0a0f20 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -470,6 +470,10 @@ struct snd_usb_endpoint *snd_usb_add_endpoint(struct snd_usb_audio *chip,
 			ep->syncinterval = 3;
 
 		ep->syncmaxsize = le16_to_cpu(get_endpoint(alts, 1)->wMaxPacketSize);
+
+		if (chip->usb_id == USB_ID(0x0644, 0x8038) /* TEAC UD-H01 */ &&
+		    ep->syncmaxsize == 4)
+			ep->udh01_fb_quirk = 1;
 	}
 
 	list_add_tail(&ep->list, &chip->ep_list);
@@ -956,19 +960,30 @@ int snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep)
 }
 
 /**
+ * snd_usb_endpoint_release: Tear down an snd_usb_endpoint
+ *
+ * @ep: the endpoint to release
+ *
+ * This function does not care for the endpoint's use count but will tear
+ * down all the streaming URBs immediately.
+ */
+void snd_usb_endpoint_release(struct snd_usb_endpoint *ep)
+{
+	release_urbs(ep, 1);
+}
+
+/**
  * snd_usb_endpoint_free: Free the resources of an snd_usb_endpoint
  *
  * @ep: the list header of the endpoint to free
  *
- * This function does not care for the endpoint's use count but will tear
- * down all the streaming URBs immediately and free all resources.
+ * This free all resources of the given ep.
  */
 void snd_usb_endpoint_free(struct list_head *head)
 {
 	struct snd_usb_endpoint *ep;
 
 	ep = list_entry(head, struct snd_usb_endpoint, list);
-	release_urbs(ep, 1);
 	kfree(ep);
 }
 
@@ -1078,7 +1093,16 @@ void snd_usb_handle_sync_urb(struct snd_usb_endpoint *ep,
 	if (f == 0)
 		return;
 
-	if (unlikely(ep->freqshift == INT_MIN)) {
+	if (unlikely(sender->udh01_fb_quirk)) {
+		/*
+		 * The TEAC UD-H01 firmware sometimes changes the feedback value
+		 * by +/- 0x1.0000.
+		 */
+		if (f < ep->freqn - 0x8000)
+			f += 0x10000;
+		else if (f > ep->freqn + 0x8000)
+			f -= 0x10000;
+	} else if (unlikely(ep->freqshift == INT_MIN)) {
 		/*
 		 * The first time we see a feedback value, determine its format
 		 * by shifting it left or right until it matches the nominal
diff --git a/sound/usb/endpoint.h b/sound/usb/endpoint.h
index 2287adf..fe65a38 100644
--- a/sound/usb/endpoint.h
+++ b/sound/usb/endpoint.h
@@ -21,6 +21,7 @@ void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep);
 void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep);
 int  snd_usb_endpoint_activate(struct snd_usb_endpoint *ep);
 int  snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep);
+void snd_usb_endpoint_release(struct snd_usb_endpoint *ep);
 void snd_usb_endpoint_free(struct list_head *head);
 
 int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep);
diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index b901f46..c7aa71e 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -364,6 +364,8 @@ static void snd_usbmidi_error_timer(unsigned long data)
 		if (in && in->error_resubmit) {
 			in->error_resubmit = 0;
 			for (j = 0; j < INPUT_URBS; ++j) {
+				if (atomic_read(&in->urbs[j]->use_count))
+					continue;
 				in->urbs[j]->dev = umidi->dev;
 				snd_usbmidi_submit_urb(in->urbs[j], GFP_ATOMIC);
 			}
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index be4db47..061be0e 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -886,6 +886,7 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
 	case USB_ID(0x046d, 0x0807): /* Logitech Webcam C500 */
 	case USB_ID(0x046d, 0x0808):
 	case USB_ID(0x046d, 0x0809):
+	case USB_ID(0x046d, 0x0819): /* Logitech Webcam C210 */
 	case USB_ID(0x046d, 0x081b): /* HD Webcam c310 */
 	case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */
 	case USB_ID(0x046d, 0x0825): /* HD Webcam c270 */
diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c
index 0339d46..4df31b0 100644
--- a/sound/usb/mixer_maps.c
+++ b/sound/usb/mixer_maps.c
@@ -322,8 +322,11 @@ static struct usbmix_name_map hercules_usb51_map[] = {
 	{ 0 }				/* terminator */
 };
 
-static const struct usbmix_name_map kef_x300a_map[] = {
-	{ 10, NULL }, /* firmware locks up (?) when we try to access this FU */
+/* some (all?) SCMS USB3318 devices are affected by a firmware lock up
+ * when anything attempts to access FU 10 (control)
+ */
+static const struct usbmix_name_map scms_usb3318_map[] = {
+	{ 10, NULL },
 	{ 0 }
 };
 
@@ -415,8 +418,14 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = {
 		.map = ebox44_map,
 	},
 	{
+		/* KEF X300A */
 		.id = USB_ID(0x27ac, 0x1000),
-		.map = kef_x300a_map,
+		.map = scms_usb3318_map,
+	},
+	{
+		/* Arcam rPAC */
+		.id = USB_ID(0x25c4, 0x0003),
+		.map = scms_usb3318_map,
 	},
 	{ 0 } /* terminator */
 };
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index d42a584..ea4b9a8 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -802,6 +802,11 @@ static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl,
 	return changed;
 }
 
+static void kctl_private_value_free(struct snd_kcontrol *kctl)
+{
+	kfree((void *)kctl->private_value);
+}
+
 static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer,
 	int validx, int bUnitID)
 {
@@ -836,6 +841,7 @@ static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer,
 		return -ENOMEM;
 	}
 
+	kctl->private_free = kctl_private_value_free;
 	err = snd_ctl_add(mixer->chip->card, kctl);
 	if (err < 0)
 		return err;
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index b375d58..98ca3540 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -1492,7 +1492,8 @@ static void retire_playback_urb(struct snd_usb_substream *subs,
 	 * on two reads of a counter updated every ms.
 	 */
 	if (abs(est_delay - subs->last_delay) * 1000 > runtime->rate * 2)
-		snd_printk(KERN_DEBUG "delay: estimated %d, actual %d\n",
+		dev_dbg_ratelimited(&subs->dev->dev,
+			"delay: estimated %d, actual %d\n",
 			est_delay, subs->last_delay);
 
 	if (!subs->running) {
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index f5f0595..83bddbd 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -72,22 +72,21 @@
 	}
 },
 
-/* Creative/Toshiba Multimedia Center SB-0500 */
+/* Creative/E-Mu devices */
 {
-	USB_DEVICE(0x041e, 0x3048),
+	USB_DEVICE(0x041e, 0x3010),
 	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
-		.vendor_name = "Toshiba",
-		.product_name = "SB-0500",
+		.vendor_name = "Creative Labs",
+		.product_name = "Sound Blaster MP3+",
 		.ifnum = QUIRK_NO_INTERFACE
 	}
 },
-
-/* Creative/E-Mu devices */
+/* Creative/Toshiba Multimedia Center SB-0500 */
 {
-	USB_DEVICE(0x041e, 0x3010),
+	USB_DEVICE(0x041e, 0x3048),
 	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
-		.vendor_name = "Creative Labs",
-		.product_name = "Sound Blaster MP3+",
+		.vendor_name = "Toshiba",
+		.product_name = "SB-0500",
 		.ifnum = QUIRK_NO_INTERFACE
 	}
 },
@@ -386,6 +385,36 @@ YAMAHA_DEVICE(0x105d, NULL),
 	}
 },
 {
+	USB_DEVICE(0x0499, 0x1509),
+	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
+		/* .vendor_name = "Yamaha", */
+		/* .product_name = "Steinberg UR22", */
+		.ifnum = QUIRK_ANY_INTERFACE,
+		.type = QUIRK_COMPOSITE,
+		.data = (const struct snd_usb_audio_quirk[]) {
+			{
+				.ifnum = 1,
+				.type = QUIRK_AUDIO_STANDARD_INTERFACE
+			},
+			{
+				.ifnum = 2,
+				.type = QUIRK_AUDIO_STANDARD_INTERFACE
+			},
+			{
+				.ifnum = 3,
+				.type = QUIRK_MIDI_YAMAHA
+			},
+			{
+				.ifnum = 4,
+				.type = QUIRK_IGNORE_INTERFACE
+			},
+			{
+				.ifnum = -1
+			}
+		}
+	}
+},
+{
 	USB_DEVICE(0x0499, 0x150a),
 	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
 		/* .vendor_name = "Yamaha", */
@@ -1582,6 +1611,35 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 	}
 },
 {
+	/* BOSS ME-25 */
+	USB_DEVICE(0x0582, 0x0113),
+	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
+		.ifnum = QUIRK_ANY_INTERFACE,
+		.type = QUIRK_COMPOSITE,
+		.data = (const struct snd_usb_audio_quirk[]) {
+			{
+				.ifnum = 0,
+				.type = QUIRK_AUDIO_STANDARD_INTERFACE
+			},
+			{
+				.ifnum = 1,
+				.type = QUIRK_AUDIO_STANDARD_INTERFACE
+			},
+			{
+				.ifnum = 2,
+				.type = QUIRK_MIDI_FIXED_ENDPOINT,
+				.data = & (const struct snd_usb_midi_endpoint_info) {
+					.out_cables = 0x0001,
+					.in_cables  = 0x0001
+				}
+			},
+			{
+				.ifnum = -1
+			}
+		}
+	}
+},
+{
 	/* only 44.1 kHz works at the moment */
 	USB_DEVICE(0x0582, 0x0120),
 	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
@@ -2521,6 +2579,46 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 	}
 },
 {
+	USB_DEVICE(0x1235, 0x0010),
+	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+		.vendor_name = "Focusrite",
+		.product_name = "Saffire 6 USB",
+		.ifnum = QUIRK_ANY_INTERFACE,
+		.type = QUIRK_COMPOSITE,
+		.data = (const struct snd_usb_audio_quirk[]) {
+			{
+				.ifnum = 0,
+				.type = QUIRK_AUDIO_FIXED_ENDPOINT,
+				.data = &(const struct audioformat) {
+					.formats = SNDRV_PCM_FMTBIT_S24_3LE,
+					.channels = 4,
+					.iface = 0,
+					.altsetting = 1,
+					.altset_idx = 1,
+					.attributes = UAC_EP_CS_ATTR_SAMPLE_RATE,
+					.endpoint = 0x01,
+					.ep_attr = USB_ENDPOINT_XFER_ISOC,
+					.rates = SNDRV_PCM_RATE_44100 |
+						 SNDRV_PCM_RATE_48000,
+					.rate_min = 44100,
+					.rate_max = 48000,
+					.nr_rates = 2,
+					.rate_table = (unsigned int[]) {
+						44100, 48000
+					}
+				}
+			},
+			{
+				.ifnum = 1,
+				.type = QUIRK_MIDI_RAW_BYTES
+			},
+			{
+				.ifnum = -1
+			}
+		}
+	}
+},
+{
 	USB_DEVICE(0x1235, 0x0018),
 	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
 		.vendor_name = "Novation",
@@ -2569,6 +2667,57 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 		.type = QUIRK_MIDI_NOVATION
 	}
 },
+{
+	/*
+	 * Focusrite Scarlett 18i6
+	 *
+	 * Avoid mixer creation, which otherwise fails because some of
+	 * the interface descriptor subtypes for interface 0 are
+	 * unknown.  That should be fixed or worked-around but this at
+	 * least allows the device to be used successfully with a DAW
+	 * and an external mixer.  See comments below about other
+	 * ignored interfaces.
+	 */
+	USB_DEVICE(0x1235, 0x8004),
+	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
+		.vendor_name = "Focusrite",
+		.product_name = "Scarlett 18i6",
+		.ifnum = QUIRK_ANY_INTERFACE,
+		.type = QUIRK_COMPOSITE,
+		.data = & (const struct snd_usb_audio_quirk[]) {
+			{
+				/* InterfaceSubClass 1 (Control Device) */
+				.ifnum = 0,
+				.type = QUIRK_IGNORE_INTERFACE
+			},
+			{
+				.ifnum = 1,
+				.type = QUIRK_AUDIO_STANDARD_INTERFACE
+			},
+			{
+				.ifnum = 2,
+				.type = QUIRK_AUDIO_STANDARD_INTERFACE
+			},
+			{
+				/* InterfaceSubClass 1 (Control Device) */
+				.ifnum = 3,
+				.type = QUIRK_IGNORE_INTERFACE
+			},
+			{
+				.ifnum = 4,
+				.type = QUIRK_MIDI_STANDARD_INTERFACE
+			},
+			{
+				/* InterfaceSubClass 1 (Device Firmware Update) */
+				.ifnum = 5,
+				.type = QUIRK_IGNORE_INTERFACE
+			},
+			{
+				.ifnum = -1
+			}
+		}
+	}
+},
 
 /* Access Music devices */
 {
@@ -2655,133 +2804,45 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 	}
 },
 
-/* Hauppauge HVR-950Q and HVR-850 */
-{
-	USB_DEVICE_VENDOR_SPEC(0x2040, 0x7200),
-	.match_flags = USB_DEVICE_ID_MATCH_DEVICE |
-		       USB_DEVICE_ID_MATCH_INT_CLASS |
-		       USB_DEVICE_ID_MATCH_INT_SUBCLASS,
-	.bInterfaceClass = USB_CLASS_AUDIO,
-	.bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
-	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
-		.vendor_name = "Hauppauge",
-		.product_name = "HVR-950Q",
-		.ifnum = QUIRK_ANY_INTERFACE,
-		.type = QUIRK_AUDIO_ALIGN_TRANSFER,
-	}
-},
-{
-	USB_DEVICE_VENDOR_SPEC(0x2040, 0x7240),
-	.match_flags = USB_DEVICE_ID_MATCH_DEVICE |
-		       USB_DEVICE_ID_MATCH_INT_CLASS |
-		       USB_DEVICE_ID_MATCH_INT_SUBCLASS,
-	.bInterfaceClass = USB_CLASS_AUDIO,
-	.bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
-	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
-		.vendor_name = "Hauppauge",
-		.product_name = "HVR-850",
-		.ifnum = QUIRK_ANY_INTERFACE,
-		.type = QUIRK_AUDIO_ALIGN_TRANSFER,
-	}
-},
-{
-	USB_DEVICE_VENDOR_SPEC(0x2040, 0x7210),
-	.match_flags = USB_DEVICE_ID_MATCH_DEVICE |
-		       USB_DEVICE_ID_MATCH_INT_CLASS |
-		       USB_DEVICE_ID_MATCH_INT_SUBCLASS,
-	.bInterfaceClass = USB_CLASS_AUDIO,
-	.bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
-	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
-		.vendor_name = "Hauppauge",
-		.product_name = "HVR-950Q",
-		.ifnum = QUIRK_ANY_INTERFACE,
-		.type = QUIRK_AUDIO_ALIGN_TRANSFER,
-	}
-},
-{
-	USB_DEVICE_VENDOR_SPEC(0x2040, 0x7217),
-	.match_flags = USB_DEVICE_ID_MATCH_DEVICE |
-		       USB_DEVICE_ID_MATCH_INT_CLASS |
-		       USB_DEVICE_ID_MATCH_INT_SUBCLASS,
-	.bInterfaceClass = USB_CLASS_AUDIO,
-	.bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
-	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
-		.vendor_name = "Hauppauge",
-		.product_name = "HVR-950Q",
-		.ifnum = QUIRK_ANY_INTERFACE,
-		.type = QUIRK_AUDIO_ALIGN_TRANSFER,
-	}
-},
-{
-	USB_DEVICE_VENDOR_SPEC(0x2040, 0x721b),
-	.match_flags = USB_DEVICE_ID_MATCH_DEVICE |
-		       USB_DEVICE_ID_MATCH_INT_CLASS |
-		       USB_DEVICE_ID_MATCH_INT_SUBCLASS,
-	.bInterfaceClass = USB_CLASS_AUDIO,
-	.bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
-	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
-		.vendor_name = "Hauppauge",
-		.product_name = "HVR-950Q",
-		.ifnum = QUIRK_ANY_INTERFACE,
-		.type = QUIRK_AUDIO_ALIGN_TRANSFER,
-	}
-},
-{
-	USB_DEVICE_VENDOR_SPEC(0x2040, 0x721e),
-	.match_flags = USB_DEVICE_ID_MATCH_DEVICE |
-		       USB_DEVICE_ID_MATCH_INT_CLASS |
-		       USB_DEVICE_ID_MATCH_INT_SUBCLASS,
-	.bInterfaceClass = USB_CLASS_AUDIO,
-	.bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
-	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
-		.vendor_name = "Hauppauge",
-		.product_name = "HVR-950Q",
-		.ifnum = QUIRK_ANY_INTERFACE,
-		.type = QUIRK_AUDIO_ALIGN_TRANSFER,
-	}
-},
-{
-	USB_DEVICE_VENDOR_SPEC(0x2040, 0x721f),
-	.match_flags = USB_DEVICE_ID_MATCH_DEVICE |
-		       USB_DEVICE_ID_MATCH_INT_CLASS |
-		       USB_DEVICE_ID_MATCH_INT_SUBCLASS,
-	.bInterfaceClass = USB_CLASS_AUDIO,
-	.bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
-	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
-		.vendor_name = "Hauppauge",
-		.product_name = "HVR-950Q",
-		.ifnum = QUIRK_ANY_INTERFACE,
-		.type = QUIRK_AUDIO_ALIGN_TRANSFER,
-	}
-},
-{
-	USB_DEVICE_VENDOR_SPEC(0x2040, 0x7280),
-	.match_flags = USB_DEVICE_ID_MATCH_DEVICE |
-		       USB_DEVICE_ID_MATCH_INT_CLASS |
-		       USB_DEVICE_ID_MATCH_INT_SUBCLASS,
-	.bInterfaceClass = USB_CLASS_AUDIO,
-	.bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
-	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
-		.vendor_name = "Hauppauge",
-		.product_name = "HVR-950Q",
-		.ifnum = QUIRK_ANY_INTERFACE,
-		.type = QUIRK_AUDIO_ALIGN_TRANSFER,
-	}
-},
-{
-	USB_DEVICE_VENDOR_SPEC(0x0fd9, 0x0008),
-	.match_flags = USB_DEVICE_ID_MATCH_DEVICE |
-		       USB_DEVICE_ID_MATCH_INT_CLASS |
-		       USB_DEVICE_ID_MATCH_INT_SUBCLASS,
-	.bInterfaceClass = USB_CLASS_AUDIO,
-	.bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
-	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
-		.vendor_name = "Hauppauge",
-		.product_name = "HVR-950Q",
-		.ifnum = QUIRK_ANY_INTERFACE,
-		.type = QUIRK_AUDIO_ALIGN_TRANSFER,
-	}
-},
+/*
+ * Auvitek au0828 devices with audio interface.
+ * This should be kept in sync with drivers/media/usb/au0828/au0828-cards.c
+ * Please notice that some drivers are DVB only, and don't need to be
+ * here. That's the case, for example, of DVICO_FUSIONHDTV7.
+ */
+
+#define AU0828_DEVICE(vid, pid, vname, pname) { \
+	USB_DEVICE_VENDOR_SPEC(vid, pid), \
+	.match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
+		       USB_DEVICE_ID_MATCH_INT_CLASS | \
+		       USB_DEVICE_ID_MATCH_INT_SUBCLASS, \
+	.bInterfaceClass = USB_CLASS_AUDIO, \
+	.bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL, \
+	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) { \
+		.vendor_name = vname, \
+		.product_name = pname, \
+		.ifnum = QUIRK_ANY_INTERFACE, \
+		.type = QUIRK_AUDIO_ALIGN_TRANSFER, \
+	} \
+}
+
+AU0828_DEVICE(0x2040, 0x7200, "Hauppauge", "HVR-950Q"),
+AU0828_DEVICE(0x2040, 0x7240, "Hauppauge", "HVR-850"),
+AU0828_DEVICE(0x2040, 0x7210, "Hauppauge", "HVR-950Q"),
+AU0828_DEVICE(0x2040, 0x7217, "Hauppauge", "HVR-950Q"),
+AU0828_DEVICE(0x2040, 0x721b, "Hauppauge", "HVR-950Q"),
+AU0828_DEVICE(0x2040, 0x721e, "Hauppauge", "HVR-950Q"),
+AU0828_DEVICE(0x2040, 0x721f, "Hauppauge", "HVR-950Q"),
+AU0828_DEVICE(0x2040, 0x7280, "Hauppauge", "HVR-950Q"),
+AU0828_DEVICE(0x0fd9, 0x0008, "Hauppauge", "HVR-950Q"),
+AU0828_DEVICE(0x2040, 0x7201, "Hauppauge", "HVR-950Q-MXL"),
+AU0828_DEVICE(0x2040, 0x7211, "Hauppauge", "HVR-950Q-MXL"),
+AU0828_DEVICE(0x2040, 0x7281, "Hauppauge", "HVR-950Q-MXL"),
+AU0828_DEVICE(0x05e1, 0x0480, "Hauppauge", "Woodbury"),
+AU0828_DEVICE(0x2040, 0x8200, "Hauppauge", "Woodbury"),
+AU0828_DEVICE(0x2040, 0x7260, "Hauppauge", "HVR-950Q"),
+AU0828_DEVICE(0x2040, 0x7213, "Hauppauge", "HVR-950Q"),
+AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"),
 
 /* Digidesign Mbox */
 {
@@ -3054,58 +3115,6 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 
 {
 	/*
-	 * Focusrite Scarlett 18i6
-	 *
-	 * Avoid mixer creation, which otherwise fails because some of
-	 * the interface descriptor subtypes for interface 0 are
-	 * unknown.  That should be fixed or worked-around but this at
-	 * least allows the device to be used successfully with a DAW
-	 * and an external mixer.  See comments below about other
-	 * ignored interfaces.
-	 */
-	USB_DEVICE(0x1235, 0x8004),
-	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
-		.vendor_name = "Focusrite",
-		.product_name = "Scarlett 18i6",
-		.ifnum = QUIRK_ANY_INTERFACE,
-		.type = QUIRK_COMPOSITE,
-		.data = & (const struct snd_usb_audio_quirk[]) {
-			{
-				/* InterfaceSubClass 1 (Control Device) */
-				.ifnum = 0,
-				.type = QUIRK_IGNORE_INTERFACE
-			},
-			{
-				.ifnum = 1,
-				.type = QUIRK_AUDIO_STANDARD_INTERFACE
-			},
-			{
-				.ifnum = 2,
-				.type = QUIRK_AUDIO_STANDARD_INTERFACE
-			},
-			{
-				/* InterfaceSubClass 1 (Control Device) */
-				.ifnum = 3,
-				.type = QUIRK_IGNORE_INTERFACE
-			},
-			{
-				.ifnum = 4,
-				.type = QUIRK_MIDI_STANDARD_INTERFACE
-			},
-			{
-				/* InterfaceSubClass 1 (Device Firmware Update) */
-				.ifnum = 5,
-				.type = QUIRK_IGNORE_INTERFACE
-			},
-			{
-				.ifnum = -1
-			}
-		}
-	}
-},
-
-{
-	/*
 	 * Some USB MIDI devices don't have an audio control interface,
 	 * so we have to grab MIDI streaming interfaces here.
 	 */
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 0df9ede..8bea686 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -662,8 +662,9 @@ static int snd_usb_cm6206_boot_quirk(struct usb_device *dev)
 
 /*
  * Novation Twitch DJ controller
+ * Focusrite Novation Saffire 6 USB audio card
  */
-static int snd_usb_twitch_boot_quirk(struct usb_device *dev)
+static int snd_usb_novation_boot_quirk(struct usb_device *dev)
 {
 	/* preemptively set up the device because otherwise the
 	 * raw MIDI endpoints are not active */
@@ -972,9 +973,9 @@ int snd_usb_apply_boot_quirk(struct usb_device *dev,
 		/* Digidesign Mbox 2 */
 		return snd_usb_mbox2_boot_quirk(dev);
 
-	case USB_ID(0x1235, 0x0018):
-		/* Focusrite Novation Twitch */
-		return snd_usb_twitch_boot_quirk(dev);
+	case USB_ID(0x1235, 0x0010): /* Focusrite Novation Saffire 6 USB */
+	case USB_ID(0x1235, 0x0018): /* Focusrite Novation Twitch */
+		return snd_usb_novation_boot_quirk(dev);
 
 	case USB_ID(0x133e, 0x0815):
 		/* Access Music VirusTI Desktop */
@@ -1127,6 +1128,20 @@ void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
 	if ((le16_to_cpu(dev->descriptor.idVendor) == 0x23ba) &&
 	    (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
 		mdelay(20);
+
+	/* Marantz/Denon devices with USB DAC functionality need a delay
+	 * after each class compliant request
+	 */
+	if ((le16_to_cpu(dev->descriptor.idVendor) == 0x154e) &&
+	    (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) {
+
+		switch (le16_to_cpu(dev->descriptor.idProduct)) {
+		case 0x3005: /* Marantz HD-DAC1 */
+		case 0x3006: /* Marantz SA-14S1 */
+			mdelay(20);
+			break;
+		}
+	}
 }
 
 /*