ALSA: usb-audio: Use standard printk helpers

Convert with dev_err() and co from snd_printk(), etc. As there are too deep indirections (e.g. ep->chip->dev->dev), a few new local macros, usb_audio_err() & co, are introduced. Also, the device numbers in some messages are dropped, as they are shown in the prefix automatically. Signed-off-by: Takashi Iwai <tiwai@suse.de>

ALSA: usb-audio: Use standard printk helpers
Convert with dev_err() and co from snd_printk(), etc. As there are too deep indirections (e.g. ep->chip->dev->dev), a few new local macros, usb_audio_err() & co, are introduced. Also, the device numbers in some messages are dropped, as they are shown in the prefix automatically. Signed-off-by: Takashi Iwai <tiwai@suse.de>
0ba41d91 · Takashi Iwai · 6436bcf6 · 0ba41d91 · 0ba41d91 · 0ba41d91
Commit 0ba41d91 authored Feb 26, 2014 by Takashi Iwai
11 changed files
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -139,8 +139,8 @@ static int snd_usb_create_stream(struct snd_usb_audio *chip, int ctrlif, int int
 	struct usb_interface *iface = usb_ifnum_to_if(dev, interface);
 	if (!iface) {
-		snd_printk(KERN_ERR "%d:%u:%d : does not exist\n",
+		dev_err(&dev->dev, "%u:%d : does not exist\n",
-			   dev->devnum, ctrlif, interface);
+			ctrlif, interface);
 		return -EINVAL;
 	}
@@ -165,8 +165,8 @@ static int snd_usb_create_stream(struct snd_usb_audio *chip, int ctrlif, int int
 	}
 	if (usb_interface_claimed(iface)) {
-		snd_printdd(KERN_INFO "%d:%d:%d: skipping, already claimed\n",
+		dev_dbg(&dev->dev, "%d:%d: skipping, already claimed\n",
-						dev->devnum, ctrlif, interface);
+			ctrlif, interface);
 		return -EINVAL;
 	}
@@ -176,8 +176,9 @@ static int snd_usb_create_stream(struct snd_usb_audio *chip, int ctrlif, int int
 		int err = snd_usbmidi_create(chip->card, iface,
 					     &chip->midi_list, NULL);
 		if (err < 0) {
-			snd_printk(KERN_ERR "%d:%u:%d: cannot create sequencer device\n",
+			dev_err(&dev->dev,
-						dev->devnum, ctrlif, interface);
+				"%u:%d: cannot create sequencer device\n",
+				ctrlif, interface);
 			return -EINVAL;
 		}
 		usb_driver_claim_interface(&usb_audio_driver, iface, (void *)-1L);
@@ -188,14 +189,15 @@ static int snd_usb_create_stream(struct snd_usb_audio *chip, int ctrlif, int int
 	if ((altsd->bInterfaceClass != USB_CLASS_AUDIO &&
 	     altsd->bInterfaceClass != USB_CLASS_VENDOR_SPEC) ||
 	    altsd->bInterfaceSubClass != USB_SUBCLASS_AUDIOSTREAMING) {
-		snd_printdd(KERN_ERR "%d:%u:%d: skipping non-supported interface %d\n",
+		dev_dbg(&dev->dev,
-					dev->devnum, ctrlif, interface, altsd->bInterfaceClass);
+			"%u:%d: skipping non-supported interface %d\n",
+			ctrlif, interface, altsd->bInterfaceClass);
 		/* skip non-supported classes */
 		return -EINVAL;
 	}
 	if (snd_usb_get_speed(dev) == USB_SPEED_LOW) {
-		snd_printk(KERN_ERR "low speed audio streaming not supported\n");
+		dev_err(&dev->dev, "low speed audio streaming not supported\n");
 		return -EINVAL;
 	}
@@ -228,26 +230,27 @@ static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif)
 	protocol = altsd->bInterfaceProtocol;
 	if (!control_header) {
-		snd_printk(KERN_ERR "cannot find UAC_HEADER\n");
+		dev_err(&dev->dev, "cannot find UAC_HEADER\n");
 		return -EINVAL;
 	}
 	switch (protocol) {
 	default:
-		snd_printdd(KERN_WARNING "unknown interface protocol %#02x, assuming v1\n",
+		dev_warn(&dev->dev,
-			    protocol);
+			 "unknown interface protocol %#02x, assuming v1\n",
+			 protocol);
 		/* fall through */
 	case UAC_VERSION_1: {
 		struct uac1_ac_header_descriptor *h1 = control_header;
 		if (!h1->bInCollection) {
-			snd_printk(KERN_INFO "skipping empty audio interface (v1)\n");
+			dev_info(&dev->dev, "skipping empty audio interface (v1)\n");
 			return -EINVAL;
 		}
 		if (h1->bLength < sizeof(*h1) + h1->bInCollection) {
-			snd_printk(KERN_ERR "invalid UAC_HEADER (v1)\n");
+			dev_err(&dev->dev, "invalid UAC_HEADER (v1)\n");
 			return -EINVAL;
 		}
@@ -277,7 +280,7 @@ static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif)
 		}
 		if (!assoc) {
-			snd_printk(KERN_ERR "Audio class v2 interfaces need an interface association\n");
+			dev_err(&dev->dev, "Audio class v2 interfaces need an interface association\n");
 			return -EINVAL;
 		}
@@ -351,14 +354,14 @@ static int snd_usb_audio_create(struct usb_interface *intf,
 	case USB_SPEED_SUPER:
 		break;
 	default:
-		snd_printk(KERN_ERR "unknown device speed %d\n", snd_usb_get_speed(dev));
+		dev_err(&dev->dev, "unknown device speed %d\n", snd_usb_get_speed(dev));
 		return -ENXIO;
 	}
 	err = snd_card_new(&intf->dev, index[idx], id[idx], THIS_MODULE,
 			   0, &card);
 	if (err < 0) {
-		snd_printk(KERN_ERR "cannot create card instance %d\n", idx);
+		dev_err(&dev->dev, "cannot create card instance %d\n", idx);
 		return err;
 	}
@@ -499,7 +502,7 @@ snd_usb_audio_probe(struct usb_device *dev,
 	for (i = 0; i < SNDRV_CARDS; i++) {
 		if (usb_chip[i] && usb_chip[i]->dev == dev) {
 			if (usb_chip[i]->shutdown) {
-				snd_printk(KERN_ERR "USB device is in the shutdown state, cannot create a card instance\n");
+				dev_err(&dev->dev, "USB device is in the shutdown state, cannot create a card instance\n");
 				goto __error;
 			}
 			chip = usb_chip[i];
@@ -523,7 +526,7 @@ snd_usb_audio_probe(struct usb_device *dev,
 				break;
 			}
 		if (!chip) {
-			printk(KERN_ERR "no available usb audio device\n");
+			dev_err(&dev->dev, "no available usb audio device\n");
 			goto __error;
 		}
 	}

--- a/sound/usb/clock.c
+++ b/sound/usb/clock.c
@@ -115,9 +115,9 @@ static int uac_clock_selector_set_val(struct snd_usb_audio *chip, int selector_i
 		return ret;
 	if (ret != sizeof(pin)) {
-		snd_printk(KERN_ERR
+		usb_audio_err(chip,
-			"usb-audio:%d: setting selector (id %d) unexpected length %d\n",
+			"setting selector (id %d) unexpected length %d\n",
-			chip->dev->devnum, selector_id, ret);
+			selector_id, ret);
 		return -EINVAL;
 	}
@@ -126,9 +126,9 @@ static int uac_clock_selector_set_val(struct snd_usb_audio *chip, int selector_i
 		return ret;
 	if (ret != pin) {
-		snd_printk(KERN_ERR
+		usb_audio_err(chip,
-			"usb-audio:%d: setting selector (id %d) to %x failed (current: %d)\n",
+			"setting selector (id %d) to %x failed (current: %d)\n",
-			chip->dev->devnum, selector_id, pin, ret);
+			selector_id, pin, ret);
 		return -EINVAL;
 	}
@@ -158,7 +158,8 @@ static bool uac_clock_source_is_valid(struct snd_usb_audio *chip, int source_id)
 			      &data, sizeof(data));
 	if (err < 0) {
-		snd_printk(KERN_WARNING "%s(): cannot get clock validity for id %d\n",
+		dev_warn(&dev->dev,
+			 "%s(): cannot get clock validity for id %d\n",
 			   __func__, source_id);
 		return 0;
 	}
@@ -177,9 +178,9 @@ static int __uac_clock_find_source(struct snd_usb_audio *chip,
 	entity_id &= 0xff;
 	if (test_and_set_bit(entity_id, visited)) {
-		snd_printk(KERN_WARNING
+		usb_audio_warn(chip,
-			"%s(): recursive clock topology detected, id %d.\n",
+			 "%s(): recursive clock topology detected, id %d.\n",
-			__func__, entity_id);
+			 __func__, entity_id);
 		return -EINVAL;
 	}
@@ -188,8 +189,9 @@ static int __uac_clock_find_source(struct snd_usb_audio *chip,
 	if (source) {
 		entity_id = source->bClockID;
 		if (validate && !uac_clock_source_is_valid(chip, entity_id)) {
-			snd_printk(KERN_ERR "usb-audio:%d: clock source %d is not valid, cannot use\n",
+			usb_audio_err(chip,
-				   chip->dev->devnum, entity_id);
+				"clock source %d is not valid, cannot use\n",
+				entity_id);
 			return -ENXIO;
 		}
 		return entity_id;
@@ -208,7 +210,7 @@ static int __uac_clock_find_source(struct snd_usb_audio *chip,
 		/* Selector values are one-based */
 		if (ret > selector->bNrInPins || ret < 1) {
-			snd_printk(KERN_ERR
+			usb_audio_err(chip,
 				"%s(): selector reported illegal value, id %d, ret %d\n",
 				__func__, selector->bClockID, ret);
@@ -237,9 +239,9 @@ static int __uac_clock_find_source(struct snd_usb_audio *chip,
 			if (err < 0)
 				continue;
-			snd_printk(KERN_INFO
+			usb_audio_info(chip,
-				"usb-audio:%d: found and selected valid clock source %d\n",
+				 "found and selected valid clock source %d\n",
-				chip->dev->devnum, ret);
+				 ret);
 			return ret;
 		}
@@ -296,8 +298,8 @@ static int set_sample_rate_v1(struct snd_usb_audio *chip, int iface,
 				   USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_OUT,
 				   UAC_EP_CS_ATTR_SAMPLE_RATE << 8, ep,
 				   data, sizeof(data))) < 0) {
-		snd_printk(KERN_ERR "%d:%d:%d: cannot set freq %d to ep %#x\n",
+		dev_err(&dev->dev, "%d:%d: cannot set freq %d to ep %#x\n",
-			   dev->devnum, iface, fmt->altsetting, rate, ep);
+			iface, fmt->altsetting, rate, ep);
 		return err;
 	}
@@ -305,14 +307,14 @@ static int set_sample_rate_v1(struct snd_usb_audio *chip, int iface,
 				   USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_IN,
 				   UAC_EP_CS_ATTR_SAMPLE_RATE << 8, ep,
 				   data, sizeof(data))) < 0) {
-		snd_printk(KERN_WARNING "%d:%d:%d: cannot get freq at ep %#x\n",
+		dev_err(&dev->dev, "%d:%d: cannot get freq at ep %#x\n",
-			   dev->devnum, iface, fmt->altsetting, ep);
+			iface, fmt->altsetting, ep);
 		return 0; /* some devices don't support reading */
 	}
 	crate = data[0] | (data[1] << 8) | (data[2] << 16);
 	if (crate != rate) {
-		snd_printd(KERN_WARNING "current rate %d is different from the runtime rate %d\n", crate, rate);
+		dev_warn(&dev->dev, "current rate %d is different from the runtime rate %d\n", crate, rate);
 		// runtime->rate = crate;
 	}
@@ -332,8 +334,8 @@ static int get_sample_rate_v2(struct snd_usb_audio *chip, int iface,
 			      snd_usb_ctrl_intf(chip) | (clock << 8),
 			      &data, sizeof(data));
 	if (err < 0) {
-		snd_printk(KERN_WARNING "%d:%d:%d: cannot get freq (v2): err %d\n",
+		dev_warn(&dev->dev, "%d:%d: cannot get freq (v2): err %d\n",
-			   dev->devnum, iface, altsetting, err);
+			 iface, altsetting, err);
 		return 0;
 	}
@@ -369,8 +371,9 @@ static int set_sample_rate_v2(struct snd_usb_audio *chip, int iface,
 				      snd_usb_ctrl_intf(chip) | (clock << 8),
 				      &data, sizeof(data));
 		if (err < 0) {
-			snd_printk(KERN_ERR "%d:%d:%d: cannot set freq %d (v2): err %d\n",
+			usb_audio_err(chip,
-				   dev->devnum, iface, fmt->altsetting, rate, err);
+				"%d:%d: cannot set freq %d (v2): err %d\n",
+				iface, fmt->altsetting, rate, err);
 			return err;
 		}
@@ -381,14 +384,14 @@ static int set_sample_rate_v2(struct snd_usb_audio *chip, int iface,
 	if (cur_rate != rate) {
 		if (!writeable) {
-			snd_printk(KERN_WARNING
+			usb_audio_warn(chip,
-				   "%d:%d:%d: freq mismatch (RO clock): req %d, clock runs @%d\n",
+				 "%d:%d: freq mismatch (RO clock): req %d, clock runs @%d\n",
-				   dev->devnum, iface, fmt->altsetting, rate, cur_rate);
+				 iface, fmt->altsetting, rate, cur_rate);
 			return -ENXIO;
 		}
-		snd_printd(KERN_WARNING
+		usb_audio_dbg(chip,
-			   "current rate %d is different from the runtime rate %d\n",
+			"current rate %d is different from the runtime rate %d\n",
-			   cur_rate, rate);
+			cur_rate, rate);
 	}
 	/* Some devices doesn't respond to sample rate changes while the

--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -333,8 +333,9 @@ static void queue_pending_output_urbs(struct snd_usb_endpoint *ep)
 		err = usb_submit_urb(ctx->urb, GFP_ATOMIC);
 		if (err < 0)
-			snd_printk(KERN_ERR "Unable to submit urb #%d: %d (urb %p)\n",
+			usb_audio_err(ep->chip,
-				   ctx->index, err, ctx->urb);
+				"Unable to submit urb #%d: %d (urb %p)\n",
+				ctx->index, err, ctx->urb);
 		else
 			set_bit(ctx->index, &ep->active_mask);
 	}
@@ -387,7 +388,7 @@ static void snd_complete_urb(struct urb *urb)
 	if (err == 0)
 		return;
-	snd_printk(KERN_ERR "cannot submit urb (err = %d)\n", err);
+	usb_audio_err(ep->chip, "cannot submit urb (err = %d)\n", err);
 	//snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);
 exit_clear:
@@ -426,13 +427,14 @@ struct snd_usb_endpoint *snd_usb_add_endpoint(struct snd_usb_audio *chip,
 		if (ep->ep_num == ep_num &&
 		    ep->iface == alts->desc.bInterfaceNumber &&
 		    ep->altsetting == alts->desc.bAlternateSetting) {
-			snd_printdd(KERN_DEBUG "Re-using EP %x in iface %d,%d @%p\n",
+			usb_audio_dbg(ep->chip,
+				      "Re-using EP %x in iface %d,%d @%p\n",
 					ep_num, ep->iface, ep->altsetting, ep);
 			goto __exit_unlock;
 		}
 	}
-	snd_printdd(KERN_DEBUG "Creating new %s %s endpoint #%x\n",
+	usb_audio_dbg(chip, "Creating new %s %s endpoint #%x\n",
 		    is_playback ? "playback" : "capture",
 		    type == SND_USB_ENDPOINT_TYPE_DATA ? "data" : "sync",
 		    ep_num);
@@ -496,8 +498,9 @@ static int wait_clear_urbs(struct snd_usb_endpoint *ep)
 	} while (time_before(jiffies, end_time));
 	if (alive)
-		snd_printk(KERN_ERR "timeout: still %d active urbs on EP #%x\n",
+		usb_audio_err(ep->chip,
-					alive, ep->ep_num);
+			"timeout: still %d active urbs on EP #%x\n",
+			alive, ep->ep_num);
 	clear_bit(EP_FLAG_STOPPING, &ep->flags);
 	return 0;
@@ -794,8 +797,9 @@ int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep,
 	int err;
 	if (ep->use_count != 0) {
-		snd_printk(KERN_WARNING "Unable to change format on ep #%x: already in use\n",
+		usb_audio_warn(ep->chip,
-			   ep->ep_num);
+			 "Unable to change format on ep #%x: already in use\n",
+			 ep->ep_num);
 		return -EBUSY;
 	}
@@ -830,8 +834,9 @@ int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep,
 		err = -EINVAL;
 	}
-	snd_printdd(KERN_DEBUG "Setting params for ep #%x (type %d, %d urbs), ret=%d\n",
+	usb_audio_dbg(ep->chip,
-		   ep->ep_num, ep->type, ep->nurbs, err);
+		"Setting params for ep #%x (type %d, %d urbs), ret=%d\n",
+		ep->ep_num, ep->type, ep->nurbs, err);
 	return err;
 }
@@ -906,8 +911,9 @@ int snd_usb_endpoint_start(struct snd_usb_endpoint *ep, bool can_sleep)
 		err = usb_submit_urb(urb, GFP_ATOMIC);
 		if (err < 0) {
-			snd_printk(KERN_ERR "cannot submit urb %d, error %d: %s\n",
+			usb_audio_err(ep->chip,
-				   i, err, usb_error_string(err));
+				"cannot submit urb %d, error %d: %s\n",
+				i, err, usb_error_string(err));
 			goto __error;
 		}
 		set_bit(i, &ep->active_mask);

--- a/sound/usb/format.c
+++ b/sound/usb/format.c
@@ -74,8 +74,8 @@ static u64 parse_audio_format_i_type(struct snd_usb_audio *chip,
 	if ((pcm_formats == 0) &&
 	    (format == 0 || format == (1 << UAC_FORMAT_TYPE_I_UNDEFINED))) {
 		/* some devices don't define this correctly... */
-		snd_printdd(KERN_INFO "%d:%u:%d : format type 0 is detected, processed as PCM\n",
+		usb_audio_info(chip, "%u:%d : format type 0 is detected, processed as PCM\n",
-			    chip->dev->devnum, fp->iface, fp->altsetting);
+			fp->iface, fp->altsetting);
 		format = 1 << UAC_FORMAT_TYPE_I_PCM;
 	}
 	if (format & (1 << UAC_FORMAT_TYPE_I_PCM)) {
@@ -83,9 +83,9 @@ static u64 parse_audio_format_i_type(struct snd_usb_audio *chip,
 		    sample_width == 24 && sample_bytes == 2)
 			sample_bytes = 3;
 		else if (sample_width > sample_bytes * 8) {
-			snd_printk(KERN_INFO "%d:%u:%d : sample bitwidth %d in over sample bytes %d\n",
+			usb_audio_info(chip, "%u:%d : sample bitwidth %d in over sample bytes %d\n",
-				   chip->dev->devnum, fp->iface, fp->altsetting,
+				 fp->iface, fp->altsetting,
-				   sample_width, sample_bytes);
+				 sample_width, sample_bytes);
 		}
 		/* check the format byte size */
 		switch (sample_bytes) {
@@ -108,9 +108,10 @@ static u64 parse_audio_format_i_type(struct snd_usb_audio *chip,
 			pcm_formats |= SNDRV_PCM_FMTBIT_S32_LE;
 			break;
 		default:
-			snd_printk(KERN_INFO "%d:%u:%d : unsupported sample bitwidth %d in %d bytes\n",
+			usb_audio_info(chip,
-				   chip->dev->devnum, fp->iface, fp->altsetting,
+				 "%u:%d : unsupported sample bitwidth %d in %d bytes\n",
-				   sample_width, sample_bytes);
+				 fp->iface, fp->altsetting,
+				 sample_width, sample_bytes);
 			break;
 		}
 	}
@@ -132,8 +133,9 @@ static u64 parse_audio_format_i_type(struct snd_usb_audio *chip,
 		pcm_formats |= SNDRV_PCM_FMTBIT_MU_LAW;
 	}
 	if (format & ~0x3f) {
-		snd_printk(KERN_INFO "%d:%u:%d : unsupported format bits %#x\n",
+		usb_audio_info(chip,
-			   chip->dev->devnum, fp->iface, fp->altsetting, format);
+			 "%u:%d : unsupported format bits %#x\n",
+			 fp->iface, fp->altsetting, format);
 	}
 	pcm_formats |= snd_usb_interface_dsd_format_quirks(chip, fp, sample_bytes);
@@ -158,8 +160,9 @@ static int parse_audio_format_rates_v1(struct snd_usb_audio *chip, struct audiof
 	int nr_rates = fmt[offset];
 	if (fmt[0] < offset + 1 + 3 * (nr_rates ? nr_rates : 2)) {
-		snd_printk(KERN_ERR "%d:%u:%d : invalid UAC_FORMAT_TYPE desc\n",
+		usb_audio_err(chip,
-				   chip->dev->devnum, fp->iface, fp->altsetting);
+			"%u:%d : invalid UAC_FORMAT_TYPE desc\n",
+			fp->iface, fp->altsetting);
 		return -EINVAL;
 	}
@@ -171,7 +174,7 @@ static int parse_audio_format_rates_v1(struct snd_usb_audio *chip, struct audiof
 		fp->rate_table = kmalloc(sizeof(int) * nr_rates, GFP_KERNEL);
 		if (fp->rate_table == NULL) {
-			snd_printk(KERN_ERR "cannot malloc\n");
+			usb_audio_err(chip, "cannot malloc\n");
 			return -ENOMEM;
 		}
@@ -222,7 +225,8 @@ static int parse_audio_format_rates_v1(struct snd_usb_audio *chip, struct audiof
 * get to know how many sample rates we have to expect.
 * Then fp->rate_table can be allocated and filled.
 */
-static int parse_uac2_sample_rate_range(struct audioformat *fp, int nr_triplets,
+static int parse_uac2_sample_rate_range(struct snd_usb_audio *chip,
+					struct audioformat *fp, int nr_triplets,
 					const unsigned char *data)
 {
 	int i, nr_rates = 0;
@@ -261,7 +265,7 @@ static int parse_uac2_sample_rate_range(struct audioformat *fp, int nr_triplets,
 			nr_rates++;
 			if (nr_rates >= MAX_NR_RATES) {
-				snd_printk(KERN_ERR "invalid uac2 rates\n");
+				usb_audio_err(chip, "invalid uac2 rates\n");
 				break;
 			}
@@ -287,7 +291,8 @@ static int parse_audio_format_rates_v2(struct snd_usb_audio *chip,
 	int clock = snd_usb_clock_find_source(chip, fp->clock, false);
 	if (clock < 0) {
-		snd_printk(KERN_ERR "%s(): unable to find clock source (clock %d)\n",
+		dev_err(&dev->dev,
+			"%s(): unable to find clock source (clock %d)\n",
 				__func__, clock);
 		goto err;
 	}
@@ -300,7 +305,8 @@ static int parse_audio_format_rates_v2(struct snd_usb_audio *chip,
 			      tmp, sizeof(tmp));
 	if (ret < 0) {
-		snd_printk(KERN_ERR "%s(): unable to retrieve number of sample rates (clock %d)\n",
+		dev_err(&dev->dev,
+			"%s(): unable to retrieve number of sample rates (clock %d)\n",
 				__func__, clock);
 		goto err;
 	}
@@ -321,7 +327,8 @@ static int parse_audio_format_rates_v2(struct snd_usb_audio *chip,
 			      data, data_size);
 	if (ret < 0) {
-		snd_printk(KERN_ERR "%s(): unable to retrieve sample rate range (clock %d)\n",
+		dev_err(&dev->dev,
+			"%s(): unable to retrieve sample rate range (clock %d)\n",
 				__func__, clock);
 		ret = -EINVAL;
 		goto err_free;
@@ -332,7 +339,7 @@ static int parse_audio_format_rates_v2(struct snd_usb_audio *chip,
 	 * will have to deal with. */
 	kfree(fp->rate_table);
 	fp->rate_table = NULL;
-	fp->nr_rates = parse_uac2_sample_rate_range(fp, nr_triplets, data);
+	fp->nr_rates = parse_uac2_sample_rate_range(chip, fp, nr_triplets, data);
 	if (fp->nr_rates == 0) {
 		/* SNDRV_PCM_RATE_CONTINUOUS */
@@ -348,7 +355,7 @@ static int parse_audio_format_rates_v2(struct snd_usb_audio *chip,
 	/* Call the triplet parser again, but this time, fp->rate_table is
 	 * allocated, so the rates will be stored */
-	parse_uac2_sample_rate_range(fp, nr_triplets, data);
+	parse_uac2_sample_rate_range(chip, fp, nr_triplets, data);
 err_free:
 	kfree(data);
@@ -408,8 +415,9 @@ static int parse_audio_format_i(struct snd_usb_audio *chip,
 	}
 	if (fp->channels < 1) {
-		snd_printk(KERN_ERR "%d:%u:%d : invalid channels %d\n",
+		usb_audio_err(chip,
-			   chip->dev->devnum, fp->iface, fp->altsetting, fp->channels);
+			"%u:%d : invalid channels %d\n",
+			fp->iface, fp->altsetting, fp->channels);
 		return -EINVAL;
 	}
@@ -435,8 +443,9 @@ static int parse_audio_format_ii(struct snd_usb_audio *chip,
 		fp->formats = SNDRV_PCM_FMTBIT_MPEG;
 		break;
 	default:
-		snd_printd(KERN_INFO "%d:%u:%d : unknown format tag %#x is detected.  processed as MPEG.\n",
+		usb_audio_info(chip,
-			   chip->dev->devnum, fp->iface, fp->altsetting, format);
+			 "%u:%d : unknown format tag %#x is detected.  processed as MPEG.\n",
+			 fp->iface, fp->altsetting, format);
 		fp->formats = SNDRV_PCM_FMTBIT_MPEG;
 		break;
 	}
@@ -449,7 +458,7 @@ static int parse_audio_format_ii(struct snd_usb_audio *chip,
 		struct uac_format_type_ii_discrete_descriptor *fmt = _fmt;
 		brate = le16_to_cpu(fmt->wMaxBitRate);
 		framesize = le16_to_cpu(fmt->wSamplesPerFrame);
-		snd_printd(KERN_INFO "found format II with max.bitrate = %d, frame size=%d\n", brate, framesize);
+		usb_audio_info(chip, "found format II with max.bitrate = %d, frame size=%d\n", brate, framesize);
 		fp->frame_size = framesize;
 		ret = parse_audio_format_rates_v1(chip, fp, _fmt, 8); /* fmt[8..] sample rates */
 		break;
@@ -458,7 +467,7 @@ static int parse_audio_format_ii(struct snd_usb_audio *chip,
 		struct uac_format_type_ii_ext_descriptor *fmt = _fmt;
 		brate = le16_to_cpu(fmt->wMaxBitRate);
 		framesize = le16_to_cpu(fmt->wSamplesPerFrame);
-		snd_printd(KERN_INFO "found format II with max.bitrate = %d, frame size=%d\n", brate, framesize);
+		usb_audio_info(chip, "found format II with max.bitrate = %d, frame size=%d\n", brate, framesize);
 		fp->frame_size = framesize;
 		ret = parse_audio_format_rates_v2(chip, fp);
 		break;
@@ -484,9 +493,10 @@ int snd_usb_parse_audio_format(struct snd_usb_audio *chip,
 		err = parse_audio_format_ii(chip, fp, format, fmt);
 		break;
 	default:
-		snd_printd(KERN_INFO "%d:%u:%d : format type %d is not supported yet\n",
+		usb_audio_info(chip,
-			   chip->dev->devnum, fp->iface, fp->altsetting,
+			 "%u:%d : format type %d is not supported yet\n",
-			   fmt->bFormatType);
+			 fp->iface, fp->altsetting,
+			 fmt->bFormatType);
 		return -ENOTSUPP;
 	}
 	fp->fmt_type = fmt->bFormatType;

--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -191,16 +191,16 @@ static int snd_usbmidi_submit_urb(struct urb* urb, gfp_t flags)
 {
 	int err = usb_submit_urb(urb, flags);
 	if (err < 0 && err != -ENODEV)
-		snd_printk(KERN_ERR "usb_submit_urb: %d\n", err);
+		dev_err(&urb->dev->dev, "usb_submit_urb: %d\n", err);
 	return err;
 }
 /*
 * Error handling for URB completion functions.
 */
-static int snd_usbmidi_urb_error(int status)
+static int snd_usbmidi_urb_error(const struct urb *urb)
 {
-	switch (status) {
+	switch (urb->status) {
 	/* manually unlinked, or device gone */
 	case -ENOENT:
 	case -ECONNRESET:
@@ -213,7 +213,7 @@ static int snd_usbmidi_urb_error(int status)
 	case -EILSEQ:
 		return -EIO;
 	default:
-		snd_printk(KERN_ERR "urb status %d\n", status);
+		dev_err(&urb->dev->dev, "urb status %d\n", urb->status);
 		return 0; /* continue */
 	}
 }
@@ -227,7 +227,7 @@ static void snd_usbmidi_input_data(struct snd_usb_midi_in_endpoint* ep, int port
 	struct usbmidi_in_port* port = &ep->ports[portidx];
 	if (!port->substream) {
-		snd_printd("unexpected port %d!\n", portidx);
+		dev_dbg(&ep->umidi->dev->dev, "unexpected port %d!\n", portidx);
 		return;
 	}
 	if (!test_bit(port->substream->number, &ep->umidi->input_triggered))
@@ -259,7 +259,7 @@ static void snd_usbmidi_in_urb_complete(struct urb* urb)
 		ep->umidi->usb_protocol_ops->input(ep, urb->transfer_buffer,
 						   urb->actual_length);
 	} else {
-		int err = snd_usbmidi_urb_error(urb->status);
+		int err = snd_usbmidi_urb_error(urb);
 		if (err < 0) {
 			if (err != -ENODEV) {
 				ep->error_resubmit = 1;
@@ -289,7 +289,7 @@ static void snd_usbmidi_out_urb_complete(struct urb* urb)
 	}
 	spin_unlock(&ep->buffer_lock);
 	if (urb->status < 0) {
-		int err = snd_usbmidi_urb_error(urb->status);
+		int err = snd_usbmidi_urb_error(urb);
 		if (err < 0) {
 			if (err != -ENODEV)
 				mod_timer(&ep->umidi->error_timer,
@@ -1668,7 +1668,7 @@ static void snd_usbmidi_init_substream(struct snd_usb_midi* umidi,
 	struct snd_rawmidi_substream *substream = snd_usbmidi_find_substream(umidi, stream, number);
 	if (!substream) {
-		snd_printd(KERN_ERR "substream %d:%d not found\n", stream, number);
+		dev_err(&umidi->dev->dev, "substream %d:%d not found\n", stream, number);
 		return;
 	}
@@ -1717,7 +1717,7 @@ static int snd_usbmidi_create_endpoints(struct snd_usb_midi* umidi,
 			}
 		}
 	}
-	snd_printdd(KERN_INFO "created %d output and %d input ports\n",
+	dev_dbg(&umidi->dev->dev, "created %d output and %d input ports\n",
 		    out_ports, in_ports);
 	return 0;
 }
@@ -1747,10 +1747,11 @@ static int snd_usbmidi_get_ms_info(struct snd_usb_midi* umidi,
 	    ms_header->bLength >= 7 &&
 	    ms_header->bDescriptorType == USB_DT_CS_INTERFACE &&
 	    ms_header->bDescriptorSubtype == UAC_HEADER)
-		snd_printdd(KERN_INFO "MIDIStreaming version %02x.%02x\n",
+		dev_dbg(&umidi->dev->dev, "MIDIStreaming version %02x.%02x\n",
 			    ms_header->bcdMSC[1], ms_header->bcdMSC[0]);
 	else
-		snd_printk(KERN_WARNING "MIDIStreaming interface descriptor not found\n");
+		dev_warn(&umidi->dev->dev,
+			 "MIDIStreaming interface descriptor not found\n");
 	epidx = 0;
 	for (i = 0; i < intfd->bNumEndpoints; ++i) {
@@ -1767,7 +1768,8 @@ static int snd_usbmidi_get_ms_info(struct snd_usb_midi* umidi,
 		if (usb_endpoint_dir_out(ep)) {
 			if (endpoints[epidx].out_ep) {
 				if (++epidx >= MIDI_MAX_ENDPOINTS) {
-					snd_printk(KERN_WARNING "too many endpoints\n");
+					dev_warn(&umidi->dev->dev,
+						 "too many endpoints\n");
 					break;
 				}
 			}
@@ -1782,12 +1784,13 @@ static int snd_usbmidi_get_ms_info(struct snd_usb_midi* umidi,
 				 */
 				endpoints[epidx].out_interval = 1;
 			endpoints[epidx].out_cables = (1 << ms_ep->bNumEmbMIDIJack) - 1;
-			snd_printdd(KERN_INFO "EP %02X: %d jack(s)\n",
+			dev_dbg(&umidi->dev->dev, "EP %02X: %d jack(s)\n",
 				    ep->bEndpointAddress, ms_ep->bNumEmbMIDIJack);
 		} else {
 			if (endpoints[epidx].in_ep) {
 				if (++epidx >= MIDI_MAX_ENDPOINTS) {
-					snd_printk(KERN_WARNING "too many endpoints\n");
+					dev_warn(&umidi->dev->dev,
+						 "too many endpoints\n");
 					break;
 				}
 			}
@@ -1797,7 +1800,7 @@ static int snd_usbmidi_get_ms_info(struct snd_usb_midi* umidi,
 			else if (snd_usb_get_speed(umidi->dev) == USB_SPEED_LOW)
 				endpoints[epidx].in_interval = 1;
 			endpoints[epidx].in_cables = (1 << ms_ep->bNumEmbMIDIJack) - 1;
-			snd_printdd(KERN_INFO "EP %02X: %d jack(s)\n",
+			dev_dbg(&umidi->dev->dev, "EP %02X: %d jack(s)\n",
 				    ep->bEndpointAddress, ms_ep->bNumEmbMIDIJack);
 		}
 	}
@@ -1865,7 +1868,7 @@ static void snd_usbmidi_switch_roland_altsetting(struct snd_usb_midi* umidi)
 	    (get_endpoint(hostif, 1)->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT)
 		return;
-	snd_printdd(KERN_INFO "switching to altsetting %d with int ep\n",
+	dev_dbg(&umidi->dev->dev, "switching to altsetting %d with int ep\n",
 		    intfd->bAlternateSetting);
 	usb_set_interface(umidi->dev, intfd->bInterfaceNumber,
 			  intfd->bAlternateSetting);
@@ -2047,25 +2050,25 @@ static int snd_usbmidi_create_endpoints_midiman(struct snd_usb_midi* umidi,
 	 * input bulk endpoints (at indices 1 and 3) which aren't used.
 	 */
 	if (intfd->bNumEndpoints < (endpoint->out_cables > 0x0001 ? 5 : 3)) {
-		snd_printdd(KERN_ERR "not enough endpoints\n");
+		dev_dbg(&umidi->dev->dev, "not enough endpoints\n");
 		return -ENOENT;
 	}
 	epd = get_endpoint(hostif, 0);
 	if (!usb_endpoint_dir_in(epd) || !usb_endpoint_xfer_int(epd)) {
-		snd_printdd(KERN_ERR "endpoint[0] isn't interrupt\n");
+		dev_dbg(&umidi->dev->dev, "endpoint[0] isn't interrupt\n");
 		return -ENXIO;
 	}
 	epd = get_endpoint(hostif, 2);
 	if (!usb_endpoint_dir_out(epd) || !usb_endpoint_xfer_bulk(epd)) {
-		snd_printdd(KERN_ERR "endpoint[2] isn't bulk output\n");
+		dev_dbg(&umidi->dev->dev, "endpoint[2] isn't bulk output\n");
 		return -ENXIO;
 	}
 	if (endpoint->out_cables > 0x0001) {
 		epd = get_endpoint(hostif, 4);
 		if (!usb_endpoint_dir_out(epd) ||
 		    !usb_endpoint_xfer_bulk(epd)) {
-			snd_printdd(KERN_ERR "endpoint[4] isn't bulk output\n");
+			dev_dbg(&umidi->dev->dev, "endpoint[4] isn't bulk output\n");
 			return -ENXIO;
 		}
 	}
@@ -2289,7 +2292,7 @@ int snd_usbmidi_create(struct snd_card *card,
 		err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
 		break;
 	default:
-		snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type);
+		dev_err(&umidi->dev->dev, "invalid quirk type %d\n", quirk->type);
 		err = -ENXIO;
 		break;
 	}

--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -600,8 +600,8 @@ static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
 	up_read(&mixer->chip->shutdown_rwsem);
 	if (ret < 0) {
-		snd_printk(KERN_ERR
+		dev_err(&dev->dev,
-			   "unable to issue vendor read request (ret = %d)", ret);
+			"unable to issue vendor read request (ret = %d)", ret);
 		return ret;
 	}
@@ -631,8 +631,8 @@ static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
 	up_read(&mixer->chip->shutdown_rwsem);
 	if (ret < 0) {
-		snd_printk(KERN_ERR
+		dev_err(&dev->dev,
-			   "unable to issue vendor write request (ret = %d)", ret);
+			"unable to issue vendor write request (ret = %d)", ret);
 		return ret;
 	}
@@ -1699,7 +1699,7 @@ void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
 			snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
 		break;
 	default:
-		snd_printd(KERN_DEBUG "memory change in unknown unit %d\n", unitid);
+		usb_audio_dbg(mixer->chip, "memory change in unknown unit %d\n", unitid);
 		break;
 	}
 }

--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -166,8 +166,8 @@ static int init_pitch_v1(struct snd_usb_audio *chip, int iface,
 				   USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_OUT,
 				   UAC_EP_CS_ATTR_PITCH_CONTROL << 8, ep,
 				   data, sizeof(data))) < 0) {
-		snd_printk(KERN_ERR "%d:%d:%d: cannot set enable PITCH\n",
+		usb_audio_err(chip, "%d:%d: cannot set enable PITCH\n",
-			   dev->devnum, iface, ep);
+			      iface, ep);
 		return err;
 	}
@@ -187,8 +187,8 @@ static int init_pitch_v2(struct snd_usb_audio *chip, int iface,
 				   USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_OUT,
 				   UAC2_EP_CS_PITCH << 8, 0,
 				   data, sizeof(data))) < 0) {
-		snd_printk(KERN_ERR "%d:%d:%d: cannot set enable PITCH (v2)\n",
+		usb_audio_err(chip, "%d:%d: cannot set enable PITCH (v2)\n",
-			   dev->devnum, iface, fmt->altsetting);
+			      iface, fmt->altsetting);
 		return err;
 	}
@@ -226,7 +226,7 @@ static int start_endpoints(struct snd_usb_substream *subs, bool can_sleep)
 	if (!test_and_set_bit(SUBSTREAM_FLAG_DATA_EP_STARTED, &subs->flags)) {
 		struct snd_usb_endpoint *ep = subs->data_endpoint;
-		snd_printdd(KERN_DEBUG "Starting data EP @%p\n", ep);
+		dev_dbg(&subs->dev->dev, "Starting data EP @%p\n", ep);
 		ep->data_subs = subs;
 		err = snd_usb_endpoint_start(ep, can_sleep);
@@ -247,16 +247,15 @@ static int start_endpoints(struct snd_usb_substream *subs, bool can_sleep)
 						subs->sync_endpoint->altsetting);
 			if (err < 0) {
 				clear_bit(SUBSTREAM_FLAG_SYNC_EP_STARTED, &subs->flags);
-				snd_printk(KERN_ERR
+				dev_err(&subs->dev->dev,
-					   "%d:%d:%d: cannot set interface (%d)\n",
+					   "%d:%d: cannot set interface (%d)\n",
-					   subs->dev->devnum,
 					   subs->sync_endpoint->iface,
 					   subs->sync_endpoint->altsetting, err);
 				return -EIO;
 			}
 		}
-		snd_printdd(KERN_DEBUG "Starting sync EP @%p\n", ep);
+		dev_dbg(&subs->dev->dev, "Starting sync EP @%p\n", ep);
 		ep->sync_slave = subs->data_endpoint;
 		err = snd_usb_endpoint_start(ep, can_sleep);
@@ -410,8 +409,9 @@ static int set_sync_endpoint(struct snd_usb_substream *subs,
 	if ((get_endpoint(alts, 1)->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_ISOC ||
 	    (get_endpoint(alts, 1)->bLength >= USB_DT_ENDPOINT_AUDIO_SIZE &&
 	     get_endpoint(alts, 1)->bSynchAddress != 0)) {
-		snd_printk(KERN_ERR "%d:%d:%d : invalid sync pipe. bmAttributes %02x, bLength %d, bSynchAddress %02x\n",
+		dev_err(&dev->dev,
-			   dev->devnum, fmt->iface, fmt->altsetting,
+			"%d:%d : invalid sync pipe. bmAttributes %02x, bLength %d, bSynchAddress %02x\n",
+			   fmt->iface, fmt->altsetting,
 			   get_endpoint(alts, 1)->bmAttributes,
 			   get_endpoint(alts, 1)->bLength,
 			   get_endpoint(alts, 1)->bSynchAddress);
@@ -421,8 +421,9 @@ static int set_sync_endpoint(struct snd_usb_substream *subs,
 	if (get_endpoint(alts, 0)->bLength >= USB_DT_ENDPOINT_AUDIO_SIZE &&
 	    ((is_playback && ep != (unsigned int)(get_endpoint(alts, 0)->bSynchAddress | USB_DIR_IN)) ||
 	     (!is_playback && ep != (unsigned int)(get_endpoint(alts, 0)->bSynchAddress & ~USB_DIR_IN)))) {
-		snd_printk(KERN_ERR "%d:%d:%d : invalid sync pipe. is_playback %d, ep %02x, bSynchAddress %02x\n",
+		dev_err(&dev->dev,
-			   dev->devnum, fmt->iface, fmt->altsetting,
+			"%d:%d : invalid sync pipe. is_playback %d, ep %02x, bSynchAddress %02x\n",
+			   fmt->iface, fmt->altsetting,
 			   is_playback, ep, get_endpoint(alts, 0)->bSynchAddress);
 		return -EINVAL;
 	}
@@ -469,8 +470,9 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
 	if (subs->interface >= 0 && subs->interface != fmt->iface) {
 		err = usb_set_interface(subs->dev, subs->interface, 0);
 		if (err < 0) {
-			snd_printk(KERN_ERR "%d:%d:%d: return to setting 0 failed (%d)\n",
+			dev_err(&dev->dev,
-				dev->devnum, fmt->iface, fmt->altsetting, err);
+				"%d:%d: return to setting 0 failed (%d)\n",
+				fmt->iface, fmt->altsetting, err);
 			return -EIO;
 		}
 		subs->interface = -1;
@@ -482,12 +484,13 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
 	    subs->altset_idx != fmt->altset_idx) {
 		err = usb_set_interface(dev, fmt->iface, fmt->altsetting);
 		if (err < 0) {
-			snd_printk(KERN_ERR "%d:%d:%d: usb_set_interface failed (%d)\n",
+			dev_err(&dev->dev,
-				   dev->devnum, fmt->iface, fmt->altsetting, err);
+				"%d:%d: usb_set_interface failed (%d)\n",
+				fmt->iface, fmt->altsetting, err);
 			return -EIO;
 		}
-		snd_printdd(KERN_INFO "setting usb interface %d:%d\n",
+		dev_dbg(&dev->dev, "setting usb interface %d:%d\n",
-				fmt->iface, fmt->altsetting);
+			fmt->iface, fmt->altsetting);
 		subs->interface = fmt->iface;
 		subs->altset_idx = fmt->altset_idx;
@@ -523,20 +526,23 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
 * - Requested PCM format is not supported.
 * - Requested sample rate is not supported.
 */
-static int match_endpoint_audioformats(struct audioformat *fp,
+static int match_endpoint_audioformats(struct snd_usb_substream *subs,
-	struct audioformat *match, int rate,
+				       struct audioformat *fp,
-	snd_pcm_format_t pcm_format)
+				       struct audioformat *match, int rate,
+				       snd_pcm_format_t pcm_format)
 {
 	int i;
 	int score = 0;
 	if (fp->channels < 1) {
-		snd_printdd("%s: (fmt @%p) no channels\n", __func__, fp);
+		dev_dbg(&subs->dev->dev,
+			"%s: (fmt @%p) no channels\n", __func__, fp);
 		return 0;
 	}
 	if (!(fp->formats & pcm_format_to_bits(pcm_format))) {
-		snd_printdd("%s: (fmt @%p) no match for format %d\n", __func__,
+		dev_dbg(&subs->dev->dev,
+			"%s: (fmt @%p) no match for format %d\n", __func__,
 			fp, pcm_format);
 		return 0;
 	}
@@ -548,7 +554,8 @@ static int match_endpoint_audioformats(struct audioformat *fp,
 		}
 	}
 	if (!score) {
-		snd_printdd("%s: (fmt @%p) no match for rate %d\n", __func__,
+		dev_dbg(&subs->dev->dev,
+			"%s: (fmt @%p) no match for rate %d\n", __func__,
 			fp, rate);
 		return 0;
 	}
@@ -556,7 +563,8 @@ static int match_endpoint_audioformats(struct audioformat *fp,
 	if (fp->channels == match->channels)
 		score++;
-	snd_printdd("%s: (fmt @%p) score %d\n", __func__, fp, score);
+	dev_dbg(&subs->dev->dev,
+		"%s: (fmt @%p) score %d\n", __func__, fp, score);
 	return score;
 }
@@ -587,7 +595,8 @@ static int configure_sync_endpoint(struct snd_usb_substream *subs)
 	/* Try to find the best matching audioformat. */
 	list_for_each_entry(fp, &sync_subs->fmt_list, list) {
-		int score = match_endpoint_audioformats(fp, subs->cur_audiofmt,
+		int score = match_endpoint_audioformats(subs,
+							fp, subs->cur_audiofmt,
 			subs->cur_rate, subs->pcm_format);
 		if (score > cur_score) {
@@ -597,7 +606,8 @@ static int configure_sync_endpoint(struct snd_usb_substream *subs)
 	}
 	if (unlikely(sync_fp == NULL)) {
-		snd_printk(KERN_ERR "%s: no valid audioformat for sync ep %x found\n",
+		dev_err(&subs->dev->dev,
+			"%s: no valid audioformat for sync ep %x found\n",
 			__func__, sync_subs->ep_num);
 		return -EINVAL;
 	}
@@ -609,7 +619,8 @@ static int configure_sync_endpoint(struct snd_usb_substream *subs)
 	if (sync_fp->channels != subs->channels) {
 		sync_period_bytes = (subs->period_bytes / subs->channels) *
 			sync_fp->channels;
-		snd_printdd("%s: adjusted sync ep period bytes (%d -> %d)\n",
+		dev_dbg(&subs->dev->dev,
+			"%s: adjusted sync ep period bytes (%d -> %d)\n",
 			__func__, subs->period_bytes, sync_period_bytes);
 	}
@@ -685,7 +696,8 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream,
 	fmt = find_format(subs);
 	if (!fmt) {
-		snd_printd(KERN_DEBUG "cannot set format: format = %#x, rate = %d, channels = %d\n",
+		dev_dbg(&subs->dev->dev,
+			"cannot set format: format = %#x, rate = %d, channels = %d\n",
 			   subs->pcm_format, subs->cur_rate, subs->channels);
 		return -EINVAL;
 	}
@@ -742,7 +754,7 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream)
 	int ret;
 	if (! subs->cur_audiofmt) {
-		snd_printk(KERN_ERR "usbaudio: no format is specified!\n");
+		dev_err(&subs->dev->dev, "no format is specified!\n");
 		return -ENXIO;
 	}
@@ -1235,7 +1247,8 @@ static void retire_capture_urb(struct snd_usb_substream *subs,
 	for (i = 0; i < urb->number_of_packets; i++) {
 		cp = (unsigned char *)urb->transfer_buffer + urb->iso_frame_desc[i].offset + subs->pkt_offset_adj;
 		if (urb->iso_frame_desc[i].status && printk_ratelimit()) {
-			snd_printdd(KERN_ERR "frame %d active: %d\n", i, urb->iso_frame_desc[i].status);
+			dev_dbg(&subs->dev->dev, "frame %d active: %d\n",
+				i, urb->iso_frame_desc[i].status);
 			// continue;
 		}
 		bytes = urb->iso_frame_desc[i].actual_length;
@@ -1245,7 +1258,8 @@ static void retire_capture_urb(struct snd_usb_substream *subs,
 		if (bytes % (runtime->sample_bits >> 3) != 0) {
 			int oldbytes = bytes;
 			bytes = frames * stride;
-			snd_printdd(KERN_ERR "Corrected urb data len. %d->%d\n",
+			dev_warn(&subs->dev->dev,
+				 "Corrected urb data len. %d->%d\n",
 							oldbytes, bytes);
 		}
 		/* update the current pointer */
@@ -1488,7 +1502,8 @@ 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(&subs->dev->dev,
+			"delay: estimated %d, actual %d\n",
 			est_delay, subs->last_delay);
 	if (!subs->running) {

--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -110,7 +110,7 @@ static int create_standard_audio_quirk(struct snd_usb_audio *chip,
 	altsd = get_iface_desc(alts);
 	err = snd_usb_parse_audio_interface(chip, altsd->bInterfaceNumber);
 	if (err < 0) {
-		snd_printk(KERN_ERR "cannot setup if %d: error %d\n",
+		usb_audio_err(chip, "cannot setup if %d: error %d\n",
 			   altsd->bInterfaceNumber, err);
 		return err;
 	}
@@ -135,7 +135,7 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
 	fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL);
 	if (!fp) {
-		snd_printk(KERN_ERR "cannot memdup\n");
+		usb_audio_err(chip, "cannot memdup\n");
 		return -ENOMEM;
 	}
 	if (fp->nr_rates > MAX_NR_RATES) {
@@ -464,7 +464,7 @@ static int create_uaxx_quirk(struct snd_usb_audio *chip,
 		fp->rate_max = fp->rate_min = 96000;
 		break;
 	default:
-		snd_printk(KERN_ERR "unknown sample rate\n");
+		usb_audio_err(chip, "unknown sample rate\n");
 		kfree(fp);
 		return -ENXIO;
 	}
@@ -536,7 +536,7 @@ int snd_usb_create_quirk(struct snd_usb_audio *chip,
 	if (quirk->type < QUIRK_TYPE_COUNT) {
 		return quirk_funcs[quirk->type](chip, iface, driver, quirk);
 	} else {
-		snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type);
+		usb_audio_err(chip, "invalid quirk type %d\n", quirk->type);
 		return -ENXIO;
 	}
 }
@@ -555,18 +555,21 @@ static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interfac
 	if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD ||
 	    le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) {
-		snd_printdd("sending Extigy boot sequence...\n");
+		dev_dbg(&dev->dev, "sending Extigy boot sequence...\n");
 		/* Send message to force it to reconnect with full interface. */
 		err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0),
 				      0x10, 0x43, 0x0001, 0x000a, NULL, 0);
-		if (err < 0) snd_printdd("error sending boot message: %d\n", err);
+		if (err < 0)
+			dev_dbg(&dev->dev, "error sending boot message: %d\n", err);
 		err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
 				&dev->descriptor, sizeof(dev->descriptor));
 		config = dev->actconfig;
-		if (err < 0) snd_printdd("error usb_get_descriptor: %d\n", err);
+		if (err < 0)
+			dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err);
 		err = usb_reset_configuration(dev);
-		if (err < 0) snd_printdd("error usb_reset_configuration: %d\n", err);
+		if (err < 0)
-		snd_printdd("extigy_boot: new boot length = %d\n",
+			dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err);
+		dev_dbg(&dev->dev, "extigy_boot: new boot length = %d\n",
 			    le16_to_cpu(get_cfg_desc(config)->wTotalLength));
 		return -ENODEV; /* quit this anyway */
 	}
@@ -594,7 +597,7 @@ static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev)
 	int err;
 	if (dev->actconfig->desc.bConfigurationValue == 1) {
-		snd_printk(KERN_INFO "usb-audio: "
+		dev_info(&dev->dev,
 			   "Fast Track Pro switching to config #2\n");
 		/* This function has to be available by the usb core module.
 		 * if it is not avialable the boot quirk has to be left out
@@ -603,14 +606,15 @@ static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev)
 		 */
 		err = usb_driver_set_configuration(dev, 2);
 		if (err < 0)
-			snd_printdd("error usb_driver_set_configuration: %d\n",
+			dev_dbg(&dev->dev,
-				    err);
+				"error usb_driver_set_configuration: %d\n",
+				err);
 		/* Always return an error, so that we stop creating a device
 		   that will just be destroyed and recreated with a new
 		   configuration */
 		return -ENODEV;
 	} else
-		snd_printk(KERN_INFO "usb-audio: Fast Track Pro config OK\n");
+		dev_info(&dev->dev, "Fast Track Pro config OK\n");
 	return 0;
 }
@@ -779,11 +783,11 @@ static int snd_usb_mbox2_boot_quirk(struct usb_device *dev)
 	fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength);
 	if (fwsize != MBOX2_FIRMWARE_SIZE) {
-		snd_printk(KERN_ERR "usb-audio: Invalid firmware size=%d.\n", fwsize);
+		dev_err(&dev->dev, "Invalid firmware size=%d.\n", fwsize);
 		return -ENODEV;
 	}
-	snd_printd("usb-audio: Sending Digidesign Mbox 2 boot sequence...\n");
+	dev_dbg(&dev->dev, "Sending Digidesign Mbox 2 boot sequence...\n");
 	count = 0;
 	bootresponse[0] = MBOX2_BOOT_LOADING;
@@ -794,32 +798,32 @@ static int snd_usb_mbox2_boot_quirk(struct usb_device *dev)
 			0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012);
 		if (bootresponse[0] == MBOX2_BOOT_READY)
 			break;
-		snd_printd("usb-audio: device not ready, resending boot sequence...\n");
+		dev_dbg(&dev->dev, "device not ready, resending boot sequence...\n");
 		count++;
 	}
 	if (bootresponse[0] != MBOX2_BOOT_READY) {
-		snd_printk(KERN_ERR "usb-audio: Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]);
+		dev_err(&dev->dev, "Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]);
 		return -ENODEV;
 	}
-	snd_printdd("usb-audio: device initialised!\n");
+	dev_dbg(&dev->dev, "device initialised!\n");
 	err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
 		&dev->descriptor, sizeof(dev->descriptor));
 	config = dev->actconfig;
 	if (err < 0)
-		snd_printd("error usb_get_descriptor: %d\n", err);
+		dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err);
 	err = usb_reset_configuration(dev);
 	if (err < 0)
-		snd_printd("error usb_reset_configuration: %d\n", err);
+		dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err);
-	snd_printdd("mbox2_boot: new boot length = %d\n",
+	dev_dbg(&dev->dev, "mbox2_boot: new boot length = %d\n",
 		le16_to_cpu(get_cfg_desc(config)->wTotalLength));
 	mbox2_setup_48_24_magic(dev);
-	snd_printk(KERN_INFO "usb-audio: Digidesign Mbox 2: 24bit 48kHz");
+	dev_info(&dev->dev, "Digidesign Mbox 2: 24bit 48kHz");
 	return 0; /* Successful boot */
 }
@@ -865,7 +869,7 @@ static int quattro_skip_setting_quirk(struct snd_usb_audio *chip,
 				return 1; /* skip this altsetting */
 		}
 	}
-	snd_printdd(KERN_INFO
+	usb_audio_dbg(chip,
 		    "using altsetting %d for interface %d config %d\n",
 		    altno, iface, chip->setup);
 	return 0; /* keep this altsetting */
@@ -932,7 +936,7 @@ static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip,
 			return 1;
 	}
-	snd_printdd(KERN_INFO
+	usb_audio_dbg(chip,
 		    "using altsetting %d for interface %d config %d\n",
 		    altno, iface, chip->setup);
 	return 0; /* keep this altsetting */

--- a/sound/usb/stream.c
+++ b/sound/usb/stream.c
@@ -411,10 +411,9 @@ static int parse_uac_endpoint_attributes(struct snd_usb_audio *chip,
 	if (!csep || csep->bLength < 7 ||
 	    csep->bDescriptorSubtype != UAC_EP_GENERAL) {
-		snd_printk(KERN_WARNING "%d:%u:%d : no or invalid"
+		usb_audio_warn(chip,
-			   " class specific endpoint descriptor\n",
+			       "%u:%d : no or invalid class specific endpoint descriptor\n",
-			   chip->dev->devnum, iface_no,
+			       iface_no, altsd->bAlternateSetting);
-			   altsd->bAlternateSetting);
 		return 0;
 	}
@@ -533,8 +532,8 @@ int snd_usb_parse_audio_interface(struct snd_usb_audio *chip, int iface_no)
 		/* get audio formats */
 		switch (protocol) {
 		default:
-			snd_printdd(KERN_WARNING "%d:%u:%d: unknown interface protocol %#02x, assuming v1\n",
+			dev_dbg(&dev->dev, "%u:%d: unknown interface protocol %#02x, assuming v1\n",
-				    dev->devnum, iface_no, altno, protocol);
+				iface_no, altno, protocol);
 			protocol = UAC_VERSION_1;
 			/* fall through */
@@ -544,14 +543,16 @@ int snd_usb_parse_audio_interface(struct snd_usb_audio *chip, int iface_no)
 			struct uac_input_terminal_descriptor *iterm;
 			if (!as) {
-				snd_printk(KERN_ERR "%d:%u:%d : UAC_AS_GENERAL descriptor not found\n",
+				dev_err(&dev->dev,
-					   dev->devnum, iface_no, altno);
+					"%u:%d : UAC_AS_GENERAL descriptor not found\n",
+					iface_no, altno);
 				continue;
 			}
 			if (as->bLength < sizeof(*as)) {
-				snd_printk(KERN_ERR "%d:%u:%d : invalid UAC_AS_GENERAL desc\n",
+				dev_err(&dev->dev,
-					   dev->devnum, iface_no, altno);
+					"%u:%d : invalid UAC_AS_GENERAL desc\n",
+					iface_no, altno);
 				continue;
 			}
@@ -574,14 +575,16 @@ int snd_usb_parse_audio_interface(struct snd_usb_audio *chip, int iface_no)
 				snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, UAC_AS_GENERAL);
 			if (!as) {
-				snd_printk(KERN_ERR "%d:%u:%d : UAC_AS_GENERAL descriptor not found\n",
+				dev_err(&dev->dev,
-					   dev->devnum, iface_no, altno);
+					"%u:%d : UAC_AS_GENERAL descriptor not found\n",
+					iface_no, altno);
 				continue;
 			}
 			if (as->bLength < sizeof(*as)) {
-				snd_printk(KERN_ERR "%d:%u:%d : invalid UAC_AS_GENERAL desc\n",
+				dev_err(&dev->dev,
-					   dev->devnum, iface_no, altno);
+					"%u:%d : invalid UAC_AS_GENERAL desc\n",
+					iface_no, altno);
 				continue;
 			}
@@ -607,8 +610,9 @@ int snd_usb_parse_audio_interface(struct snd_usb_audio *chip, int iface_no)
 				break;
 			}
-			snd_printk(KERN_ERR "%d:%u:%d : bogus bTerminalLink %d\n",
+			dev_err(&dev->dev,
-				   dev->devnum, iface_no, altno, as->bTerminalLink);
+				"%u:%d : bogus bTerminalLink %d\n",
+				iface_no, altno, as->bTerminalLink);
 			continue;
 		}
 		}
@@ -616,14 +620,16 @@ int snd_usb_parse_audio_interface(struct snd_usb_audio *chip, int iface_no)
 		/* get format type */
 		fmt = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, UAC_FORMAT_TYPE);
 		if (!fmt) {
-			snd_printk(KERN_ERR "%d:%u:%d : no UAC_FORMAT_TYPE desc\n",
+			dev_err(&dev->dev,
-				   dev->devnum, iface_no, altno);
+				"%u:%d : no UAC_FORMAT_TYPE desc\n",
+				iface_no, altno);
 			continue;
 		}
 		if (((protocol == UAC_VERSION_1) && (fmt->bLength < 8)) ||
 		    ((protocol == UAC_VERSION_2) && (fmt->bLength < 6))) {
-			snd_printk(KERN_ERR "%d:%u:%d : invalid UAC_FORMAT_TYPE desc\n",
+			dev_err(&dev->dev,
-				   dev->devnum, iface_no, altno);
+				"%u:%d : invalid UAC_FORMAT_TYPE desc\n",
+				iface_no, altno);
 			continue;
 		}
@@ -644,7 +650,7 @@ int snd_usb_parse_audio_interface(struct snd_usb_audio *chip, int iface_no)
 		fp = kzalloc(sizeof(*fp), GFP_KERNEL);
 		if (! fp) {
-			snd_printk(KERN_ERR "cannot malloc\n");
+			dev_err(&dev->dev, "cannot malloc\n");
 			return -ENOMEM;
 		}
@@ -707,7 +713,7 @@ int snd_usb_parse_audio_interface(struct snd_usb_audio *chip, int iface_no)
 			chconfig = 0;
 		fp->chmap = convert_chmap(fp->channels, chconfig, protocol);
-		snd_printdd(KERN_INFO "%d:%u:%d: add audio endpoint %#x\n", dev->devnum, iface_no, altno, fp->endpoint);
+		dev_dbg(&dev->dev, "%u:%d: add audio endpoint %#x\n", iface_no, altno, fp->endpoint);
 		err = snd_usb_add_audio_stream(chip, stream, fp);
 		if (err < 0) {
 			kfree(fp->rate_table);

--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -60,6 +60,15 @@ struct snd_usb_audio {
 	struct usb_host_interface *ctrl_intf;	/* the audio control interface */
 };
+#define usb_audio_err(chip, fmt, args...) \
+	dev_err(&(chip)->dev->dev, fmt, ##args)
+#define usb_audio_warn(chip, fmt, args...) \
+	dev_warn(&(chip)->dev->dev, fmt, ##args)
+#define usb_audio_info(chip, fmt, args...) \
+	dev_info(&(chip)->dev->dev, fmt, ##args)
+#define usb_audio_dbg(chip, fmt, args...) \
+	dev_dbg(&(chip)->dev->dev, fmt, ##args)
 /*
 * Information about devices with broken descriptors
 */