Merge branch 'topic/misc' into for-linus

11 files changed, 106 insertions, 99 deletions

diff --git a/sound/usb/card.c b/sound/usb/card.c
index 7a8ac1d81be7..9feb00c831a0 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -217,7 +217,7 @@ static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif)
 
         switch (protocol) {
         case UAC_VERSION_1: {
-                struct uac_ac_header_descriptor_v1 *h1 = control_header;
+                struct uac1_ac_header_descriptor *h1 = control_header;
 
                 if (!h1->bInCollection) {
                         snd_printk(KERN_INFO "skipping empty audio interface (v1)\n");
diff --git a/sound/usb/clock.c b/sound/usb/clock.c
index b5855114667e..b853f8df794f 100644
--- a/sound/usb/clock.c
+++ b/sound/usb/clock.c
@@ -19,33 +19,19 @@
 
 #include <linux/bitops.h>
 #include <linux/init.h>
-#include <linux/list.h>
-#include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/usb.h>
-#include <linux/moduleparam.h>
-#include <linux/mutex.h>
 #include <linux/usb/audio.h>
 #include <linux/usb/audio-v2.h>
 
 #include <sound/core.h>
 #include <sound/info.h>
 #include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/initval.h>
 
 #include "usbaudio.h"
 #include "card.h"
-#include "midi.h"
-#include "mixer.h"
-#include "proc.h"
-#include "quirks.h"
-#include "endpoint.h"
 #include "helper.h"
-#include "debug.h"
-#include "pcm.h"
-#include "urb.h"
-#include "format.h"
+#include "clock.h"
 
 static struct uac_clock_source_descriptor *
         snd_usb_find_clock_source(struct usb_host_interface *ctrl_iface,
@@ -134,10 +120,7 @@ static bool uac_clock_source_is_valid(struct snd_usb_audio *chip, int source_id)
         return !!data;
 }
 
-/* Try to find the clock source ID of a given clock entity */
-
 static int __uac_clock_find_source(struct snd_usb_audio *chip,
-                                   struct usb_host_interface *host_iface,
                                    int entity_id, unsigned long *visited)
 {
         struct uac_clock_source_descriptor *source;
@@ -154,11 +137,11 @@ static int __uac_clock_find_source(struct snd_usb_audio *chip,
         }
 
         /* first, see if the ID we're looking for is a clock source already */
-        source = snd_usb_find_clock_source(host_iface, entity_id);
+        source = snd_usb_find_clock_source(chip->ctrl_intf, entity_id);
         if (source)
                 return source->bClockID;
 
-        selector = snd_usb_find_clock_selector(host_iface, entity_id);
+        selector = snd_usb_find_clock_selector(chip->ctrl_intf, entity_id);
         if (selector) {
                 int ret;
 
@@ -168,6 +151,8 @@ static int __uac_clock_find_source(struct snd_usb_audio *chip,
                 if (ret < 0)
                         return ret;
 
+                /* Selector values are one-based */
+
                 if (ret > selector->bNrInPins || ret < 1) {
                         printk(KERN_ERR
                                 "%s(): selector reported illegal value, id %d, ret %d\n",
@@ -176,27 +161,35 @@ static int __uac_clock_find_source(struct snd_usb_audio *chip,
                         return -EINVAL;
                 }
 
-                return __uac_clock_find_source(chip, host_iface,
-                                               selector->baCSourceID[ret-1],
+                return __uac_clock_find_source(chip, selector->baCSourceID[ret-1],
                                                visited);
         }
 
         /* FIXME: multipliers only act as pass-thru element for now */
-        multiplier = snd_usb_find_clock_multiplier(host_iface, entity_id);
+        multiplier = snd_usb_find_clock_multiplier(chip->ctrl_intf, entity_id);
         if (multiplier)
-                return __uac_clock_find_source(chip, host_iface,
-                                               multiplier->bCSourceID, visited);
+                return __uac_clock_find_source(chip, multiplier->bCSourceID,
+                                                visited);
 
         return -EINVAL;
 }
 
-int snd_usb_clock_find_source(struct snd_usb_audio *chip,
-                              struct usb_host_interface *host_iface,
-                              int entity_id)
+/*
+ * For all kinds of sample rate settings and other device queries,
+ * the clock source (end-leaf) must be used. However, clock selectors,
+ * clock multipliers and sample rate converters may be specified as
+ * clock source input to terminal. This functions walks the clock path
+ * to its end and tries to find the source.
+ *
+ * The 'visited' bitfield is used internally to detect recursive loops.
+ *
+ * Returns the clock source UnitID (>=0) on success, or an error.
+ */
+int snd_usb_clock_find_source(struct snd_usb_audio *chip, int entity_id)
 {
         DECLARE_BITMAP(visited, 256);
         memset(visited, 0, sizeof(visited));
-        return __uac_clock_find_source(chip, host_iface, entity_id, visited);
+        return __uac_clock_find_source(chip, entity_id, visited);
 }
 
 static int set_sample_rate_v1(struct snd_usb_audio *chip, int iface,
@@ -211,11 +204,8 @@ static int set_sample_rate_v1(struct snd_usb_audio *chip, int iface,
         ep = get_endpoint(alts, 0)->bEndpointAddress;
 
         /* if endpoint doesn't have sampling rate control, bail out */
-        if (!(fmt->attributes & UAC_EP_CS_ATTR_SAMPLE_RATE)) {
-                snd_printk(KERN_WARNING "%d:%d:%d: endpoint lacks sample rate attribute bit, cannot set.\n",
-                                   dev->devnum, iface, fmt->altsetting);
+        if (!(fmt->attributes & UAC_EP_CS_ATTR_SAMPLE_RATE))
                 return 0;
-        }
 
         data[0] = rate;
         data[1] = rate >> 8;
@@ -254,12 +244,13 @@ static int set_sample_rate_v2(struct snd_usb_audio *chip, int iface,
         struct usb_device *dev = chip->dev;
         unsigned char data[4];
         int err, crate;
-        int clock = snd_usb_clock_find_source(chip, chip->ctrl_intf, fmt->clock);
+        int clock = snd_usb_clock_find_source(chip, fmt->clock);
 
         if (clock < 0)
                 return clock;
 
         if (!uac_clock_source_is_valid(chip, clock)) {
+                /* TODO: should we try to find valid clock setups by ourself? */
                 snd_printk(KERN_ERR "%d:%d:%d: clock source %d is not valid, cannot use\n",
                            dev->devnum, iface, fmt->altsetting, clock);
                 return -ENXIO;
diff --git a/sound/usb/clock.h b/sound/usb/clock.h
index beb253684e2d..46630936d31f 100644
--- a/sound/usb/clock.h
+++ b/sound/usb/clock.h
@@ -5,8 +5,6 @@ int snd_usb_init_sample_rate(struct snd_usb_audio *chip, int iface,
                              struct usb_host_interface *alts,
                              struct audioformat *fmt, int rate);
 
-int snd_usb_clock_find_source(struct snd_usb_audio *chip,
-                              struct usb_host_interface *host_iface,
-                              int entity_id);
+int snd_usb_clock_find_source(struct snd_usb_audio *chip, int entity_id);
 
 #endif /* __USBAUDIO_CLOCK_H */
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 6f6596cf2b19..1a701f1e8f50 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -33,6 +33,7 @@
 #include "pcm.h"
 #include "helper.h"
 #include "format.h"
+#include "clock.h"
 
 /*
  * free a substream
@@ -275,7 +276,7 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
                 /* get audio formats */
                 switch (protocol) {
                 case UAC_VERSION_1: {
-                        struct uac_as_header_descriptor_v1 *as =
+                        struct uac1_as_header_descriptor *as =
                                 snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, UAC_AS_GENERAL);
 
                         if (!as) {
@@ -297,7 +298,7 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
                 case UAC_VERSION_2: {
                         struct uac2_input_terminal_descriptor *input_term;
                         struct uac2_output_terminal_descriptor *output_term;
-                        struct uac_as_header_descriptor_v2 *as =
+                        struct uac2_as_header_descriptor *as =
                                 snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, UAC_AS_GENERAL);
 
                         if (!as) {
diff --git a/sound/usb/format.c b/sound/usb/format.c
index 30364aba79cc..4387f54d73db 100644
--- a/sound/usb/format.c
+++ b/sound/usb/format.c
@@ -264,13 +264,12 @@ static int parse_uac2_sample_rate_range(struct audioformat *fp, int nr_triplets,
  * on the audioformat table (audio class v2).
  */
 static int parse_audio_format_rates_v2(struct snd_usb_audio *chip,
-                                       struct audioformat *fp,
-                                       struct usb_host_interface *iface)
+                                       struct audioformat *fp)
 {
         struct usb_device *dev = chip->dev;
         unsigned char tmp[2], *data;
         int nr_triplets, data_size, ret = 0;
-        int clock = snd_usb_clock_find_source(chip, chip->ctrl_intf, fp->clock);
+        int clock = snd_usb_clock_find_source(chip, fp->clock);
 
         if (clock < 0) {
                 snd_printk(KERN_ERR "%s(): unable to find clock source (clock %d)\n",
@@ -391,7 +390,7 @@ static int parse_audio_format_i(struct snd_usb_audio *chip,
                 break;
         case UAC_VERSION_2:
                 /* fp->channels is already set in this case */
-                ret = parse_audio_format_rates_v2(chip, fp, iface);
+                ret = parse_audio_format_rates_v2(chip, fp);
                 break;
         }
 
@@ -450,7 +449,7 @@ static int parse_audio_format_ii(struct snd_usb_audio *chip,
                 framesize = le16_to_cpu(fmt->wSamplesPerFrame);
                 snd_printd(KERN_INFO "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, iface);
+                ret = parse_audio_format_rates_v2(chip, fp);
                 break;
         }
         }
diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index 46785643c66d..b9c2bc65f51a 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -434,7 +434,7 @@ static void snd_usbmidi_maudio_broken_running_status_input(
                         u8 cin = buffer[i] & 0x0f;
                         struct usbmidi_in_port *port = &ep->ports[cable];
                         int length;
-                        
+
                         length = snd_usbmidi_cin_length[cin];
                         if (cin == 0xf && buffer[i + 1] >= 0xf8)
                                 ; /* realtime msg: no running status change */
@@ -628,13 +628,13 @@ static struct usb_protocol_ops snd_usbmidi_standard_ops = {
 
 static struct usb_protocol_ops snd_usbmidi_midiman_ops = {
         .input = snd_usbmidi_midiman_input,
-        .output = snd_usbmidi_standard_output, 
+        .output = snd_usbmidi_standard_output,
         .output_packet = snd_usbmidi_output_midiman_packet,
 };
 
 static struct usb_protocol_ops snd_usbmidi_maudio_broken_running_status_ops = {
         .input = snd_usbmidi_maudio_broken_running_status_input,
-        .output = snd_usbmidi_standard_output, 
+        .output = snd_usbmidi_standard_output,
         .output_packet = snd_usbmidi_output_standard_packet,
 };
 
@@ -1248,7 +1248,7 @@ static void snd_usbmidi_out_endpoint_delete(struct snd_usb_midi_out_endpoint *ep
  */
 static int snd_usbmidi_out_endpoint_create(struct snd_usb_midi* umidi,
                                            struct snd_usb_midi_endpoint_info* ep_info,
-                                           struct snd_usb_midi_endpoint* rep)
+                                           struct snd_usb_midi_endpoint* rep)
 {
         struct snd_usb_midi_out_endpoint* ep;
         unsigned int i;
@@ -1398,7 +1398,7 @@ static void snd_usbmidi_rawmidi_free(struct snd_rawmidi *rmidi)
 }
 
 static struct snd_rawmidi_substream *snd_usbmidi_find_substream(struct snd_usb_midi* umidi,
-                                                           int stream, int number)
+                                                                int stream, int number)
 {
         struct list_head* list;
 
@@ -1811,7 +1811,7 @@ static int snd_usbmidi_detect_endpoints(struct snd_usb_midi* umidi,
                 snd_usbmidi_switch_roland_altsetting(umidi);
 
         if (endpoint[0].out_ep || endpoint[0].in_ep)
-                return 0;       
+                return 0;
 
         intf = umidi->iface;
         if (!intf || intf->num_altsetting < 1)
@@ -1849,7 +1849,7 @@ static int snd_usbmidi_detect_per_port_endpoints(struct snd_usb_midi* umidi,
                                                  struct snd_usb_midi_endpoint_info* endpoints)
 {
         int err, i;
-        
+
         err = snd_usbmidi_detect_endpoints(umidi, endpoints, MIDI_MAX_ENDPOINTS);
         for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) {
                 if (endpoints[i].out_ep)
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 736d134cc03c..c166db0057d3 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -26,6 +26,22 @@
  *
  */
 
+/*
+ * TODOs, for both the mixer and the streaming interfaces:
+ *
+ *  - support for UAC2 effect units
+ *  - support for graphical equalizers
+ *  - RANGE and MEM set commands (UAC2)
+ *  - RANGE and MEM interrupt dispatchers (UAC2)
+ *  - audio channel clustering (UAC2)
+ *  - audio sample rate converter units (UAC2)
+ *  - proper handling of clock multipliers (UAC2)
+ *  - dispatch clock change notifications (UAC2)
+ *      - stop PCM streams which use a clock that became invalid
+ *      - stop PCM streams which use a clock selector that has changed
+ *      - parse available sample rates again when clock sources changed
+ */
+
 #include <linux/bitops.h>
 #include <linux/init.h>
 #include <linux/list.h>
@@ -275,28 +291,28 @@ static int get_abs_value(struct usb_mixer_elem_info *cval, int val)
 
 static int get_ctl_value_v1(struct usb_mixer_elem_info *cval, int request, int validx, int *value_ret)
 {
+        struct snd_usb_audio *chip = cval->mixer->chip;
         unsigned char buf[2];
         int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1;
         int timeout = 10;
 
         while (timeout-- > 0) {
-                if (snd_usb_ctl_msg(cval->mixer->chip->dev,
-                                    usb_rcvctrlpipe(cval->mixer->chip->dev, 0),
-                                    request,
+                if (snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), request,
                                     USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
-                                    validx, cval->mixer->ctrlif | (cval->id << 8),
+                                    validx, snd_usb_ctrl_intf(chip) | (cval->id << 8),
                                     buf, val_len, 100) >= val_len) {
                         *value_ret = convert_signed_value(cval, snd_usb_combine_bytes(buf, val_len));
                         return 0;
                 }
         }
         snd_printdd(KERN_ERR "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n",
-                    request, validx, cval->mixer->ctrlif | (cval->id << 8), cval->val_type);
+                    request, validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), cval->val_type);
         return -EINVAL;
 }
 
 static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, int validx, int *value_ret)
 {
+        struct snd_usb_audio *chip = cval->mixer->chip;
         unsigned char buf[2 + 3*sizeof(__u16)]; /* enough space for one range */
         unsigned char *val;
         int ret, size;
@@ -312,16 +328,14 @@ static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, int v
 
         memset(buf, 0, sizeof(buf));
 
-        ret = snd_usb_ctl_msg(cval->mixer->chip->dev,
-                              usb_rcvctrlpipe(cval->mixer->chip->dev, 0),
-                              bRequest,
+        ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), bRequest,
                               USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
-                              validx, cval->mixer->ctrlif | (cval->id << 8),
+                              validx, snd_usb_ctrl_intf(chip) | (cval->id << 8),
                               buf, size, 1000);
 
         if (ret < 0) {
                 snd_printk(KERN_ERR "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n",
-                           request, validx, cval->mixer->ctrlif | (cval->id << 8), cval->val_type);
+                           request, validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), cval->val_type);
                 return ret;
         }
 
@@ -397,6 +411,7 @@ static int get_cur_mix_value(struct usb_mixer_elem_info *cval,
 int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval,
                                 int request, int validx, int value_set)
 {
+        struct snd_usb_audio *chip = cval->mixer->chip;
         unsigned char buf[2];
         int val_len, timeout = 10;
 
@@ -419,15 +434,14 @@ int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval,
         buf[0] = value_set & 0xff;
         buf[1] = (value_set >> 8) & 0xff;
         while (timeout-- > 0)
-                if (snd_usb_ctl_msg(cval->mixer->chip->dev,
-                                    usb_sndctrlpipe(cval->mixer->chip->dev, 0),
-                                    request,
+                if (snd_usb_ctl_msg(chip->dev,
+                                    usb_sndctrlpipe(chip->dev, 0), request,
                                     USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
-                                    validx, cval->mixer->ctrlif | (cval->id << 8),
+                                    validx, snd_usb_ctrl_intf(chip) | (cval->id << 8),
                                     buf, val_len, 100) >= 0)
                         return 0;
         snd_printdd(KERN_ERR "cannot set ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d, data = %#x/%#x\n",
-                    request, validx, cval->mixer->ctrlif | (cval->id << 8), cval->val_type, buf[0], buf[1]);
+                    request, validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), cval->val_type, buf[0], buf[1]);
         return -EINVAL;
 }
 
@@ -582,9 +596,9 @@ static int get_term_name(struct mixer_build *state, struct usb_audio_term *iterm
                 switch (iterm->type >> 16) {
                 case UAC_SELECTOR_UNIT:
                         strcpy(name, "Selector"); return 8;
-                case UAC_PROCESSING_UNIT_V1:
+                case UAC1_PROCESSING_UNIT:
                         strcpy(name, "Process Unit"); return 12;
-                case UAC_EXTENSION_UNIT_V1:
+                case UAC1_EXTENSION_UNIT:
                         strcpy(name, "Ext Unit"); return 8;
                 case UAC_MIXER_UNIT:
                         strcpy(name, "Mixer"); return 5;
@@ -672,8 +686,8 @@ static int check_input_term(struct mixer_build *state, int id, struct usb_audio_
                         term->name = uac_selector_unit_iSelector(d);
                         return 0;
                 }
-                case UAC_PROCESSING_UNIT_V1:
-                case UAC_EXTENSION_UNIT_V1: {
+                case UAC1_PROCESSING_UNIT:
+                case UAC1_EXTENSION_UNIT: {
                         struct uac_processing_unit_descriptor *d = p1;
                         if (d->bNrInPins) {
                                 id = d->baSourceID[0];
@@ -745,6 +759,8 @@ static void usb_mixer_elem_free(struct snd_kcontrol *kctl)
  */
 static int get_min_max(struct usb_mixer_elem_info *cval, int default_min)
 {
+        struct snd_usb_audio *chip = cval->mixer->chip;
+
         /* for failsafe */
         cval->min = default_min;
         cval->max = cval->min + 1;
@@ -767,7 +783,7 @@ static int get_min_max(struct usb_mixer_elem_info *cval, int default_min)
                 if (get_ctl_value(cval, UAC_GET_MAX, (cval->control << 8) | minchn, &cval->max) < 0 ||
                     get_ctl_value(cval, UAC_GET_MIN, (cval->control << 8) | minchn, &cval->min) < 0) {
                         snd_printd(KERN_ERR "%d:%d: cannot get min/max values for control %d (id %d)\n",
-                                   cval->id, cval->mixer->ctrlif, cval->control, cval->id);
+                                   cval->id, snd_usb_ctrl_intf(chip), cval->control, cval->id);
                         return -EINVAL;
                 }
                 if (get_ctl_value(cval, UAC_GET_RES, (cval->control << 8) | minchn, &cval->res) < 0) {
@@ -1199,14 +1215,6 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid, void
                 }
         } else { /* UAC_VERSION_2 */
                 for (i = 0; i < 30/2; i++) {
-                        /* From the USB Audio spec v2.0:
-                           bmaControls() is a (ch+1)-element array of 4-byte bitmaps,
-                           each containing a set of bit pairs. If a Control is present,
-                           it must be Host readable. If a certain Control is not
-                           present then the bit pair must be set to 0b00.
-                           If a Control is present but read-only, the bit pair must be
-                           set to 0b01. If a Control is also Host programmable, the bit
-                           pair must be set to 0b11. The value 0b10 is not allowed. */
                         unsigned int ch_bits = 0;
                         unsigned int ch_read_only = 0;
 
@@ -1855,13 +1863,13 @@ static int parse_audio_unit(struct mixer_build *state, int unitid)
                 return parse_audio_selector_unit(state, unitid, p1);
         case UAC_FEATURE_UNIT:
                 return parse_audio_feature_unit(state, unitid, p1);
-        case UAC_PROCESSING_UNIT_V1:
+        case UAC1_PROCESSING_UNIT:
         /*   UAC2_EFFECT_UNIT has the same value */
                 if (state->mixer->protocol == UAC_VERSION_1)
                         return parse_audio_processing_unit(state, unitid, p1);
                 else
                         return 0; /* FIXME - effect units not implemented yet */
-        case UAC_EXTENSION_UNIT_V1:
+        case UAC1_EXTENSION_UNIT:
         /*   UAC2_PROCESSING_UNIT_V2 has the same value */
                 if (state->mixer->protocol == UAC_VERSION_1)
                         return parse_audio_extension_unit(state, unitid, p1);
@@ -1905,7 +1913,7 @@ static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer)
         struct usb_host_interface *hostif;
         void *p;
 
-        hostif = &usb_ifnum_to_if(mixer->chip->dev, mixer->ctrlif)->altsetting[0];
+        hostif = mixer->chip->ctrl_intf;
         memset(&state, 0, sizeof(state));
         state.chip = mixer->chip;
         state.mixer = mixer;
@@ -1925,7 +1933,7 @@ static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer)
         p = NULL;
         while ((p = snd_usb_find_csint_desc(hostif->extra, hostif->extralen, p, UAC_OUTPUT_TERMINAL)) != NULL) {
                 if (mixer->protocol == UAC_VERSION_1) {
-                        struct uac_output_terminal_descriptor_v1 *desc = p;
+                        struct uac1_output_terminal_descriptor *desc = p;
 
                         if (desc->bLength < sizeof(*desc))
                                 continue; /* invalid descriptor? */
@@ -1997,7 +2005,7 @@ static void snd_usb_mixer_proc_read(struct snd_info_entry *entry,
         list_for_each_entry(mixer, &chip->mixer_list, list) {
                 snd_iprintf(buffer,
                         "USB Mixer: usb_id=0x%08x, ctrlif=%i, ctlerr=%i\n",
-                                chip->usb_id, mixer->ctrlif,
+                                chip->usb_id, snd_usb_ctrl_intf(chip),
                                 mixer->ignore_ctl_error);
                 snd_iprintf(buffer, "Card: %s\n", chip->card->longname);
                 for (unitid = 0; unitid < MAX_ID_ELEMS; unitid++) {
@@ -2115,7 +2123,7 @@ static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer)
         int buffer_length;
         unsigned int epnum;
 
-        hostif = &usb_ifnum_to_if(mixer->chip->dev, mixer->ctrlif)->altsetting[0];
+        hostif = mixer->chip->ctrl_intf;
         /* we need one interrupt input endpoint */
         if (get_iface_desc(hostif)->bNumEndpoints < 1)
                 return 0;
@@ -2158,7 +2166,6 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
         if (!mixer)
                 return -ENOMEM;
         mixer->chip = chip;
-        mixer->ctrlif = ctrlif;
         mixer->ignore_ctl_error = ignore_error;
         mixer->id_elems = kcalloc(MAX_ID_ELEMS, sizeof(*mixer->id_elems),
                                   GFP_KERNEL);
diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h
index a7cf1007fbb0..26c636c5c93a 100644
--- a/sound/usb/mixer.h
+++ b/sound/usb/mixer.h
@@ -3,7 +3,6 @@
 
 struct usb_mixer_interface {
         struct snd_usb_audio *chip;
-        unsigned int ctrlif;
         struct list_head list;
         unsigned int ignore_ctl_error;
         struct urb *urb;
diff --git a/sound/usb/pcm.h b/sound/usb/pcm.h
index 1c931b68f3b5..ed3e283f618d 100644
--- a/sound/usb/pcm.h
+++ b/sound/usb/pcm.h
@@ -7,8 +7,5 @@ int snd_usb_init_pitch(struct snd_usb_audio *chip, int iface,
                        struct usb_host_interface *alts,
                        struct audioformat *fmt);
 
-int snd_usb_init_sample_rate(struct snd_usb_audio *chip, int iface,
-                             struct usb_host_interface *alts,
-                             struct audioformat *fmt, int rate);
 
 #endif /* __USBAUDIO_PCM_H */
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index f8797f61a24b..2e8003f98fca 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -2152,7 +2152,21 @@ YAMAHA_DEVICE(0x7010, "UB99"),
         }
 },
 {
-        USB_DEVICE_VENDOR_SPEC(0x2040, 0x7201),
+        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,
@@ -2166,7 +2180,7 @@ YAMAHA_DEVICE(0x7010, "UB99"),
         }
 },
 {
-        USB_DEVICE_VENDOR_SPEC(0x2040, 0x7202),
+        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,
@@ -2180,7 +2194,7 @@ YAMAHA_DEVICE(0x7010, "UB99"),
         }
 },
 {
-        USB_DEVICE_VENDOR_SPEC(0x2040, 0x7203),
+        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,
@@ -2194,7 +2208,7 @@ YAMAHA_DEVICE(0x7010, "UB99"),
         }
 },
 {
-        USB_DEVICE_VENDOR_SPEC(0x2040, 0x7204),
+        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,
@@ -2208,7 +2222,7 @@ YAMAHA_DEVICE(0x7010, "UB99"),
         }
 },
 {
-        USB_DEVICE_VENDOR_SPEC(0x2040, 0x7205),
+        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,
@@ -2222,7 +2236,7 @@ YAMAHA_DEVICE(0x7010, "UB99"),
         }
 },
 {
-        USB_DEVICE_VENDOR_SPEC(0x2040, 0x7250),
+        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,
@@ -2236,7 +2250,7 @@ YAMAHA_DEVICE(0x7010, "UB99"),
         }
 },
 {
-        USB_DEVICE_VENDOR_SPEC(0x2040, 0x7230),
+        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,
@@ -2244,7 +2258,7 @@ YAMAHA_DEVICE(0x7010, "UB99"),
         .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
         .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
                 .vendor_name = "Hauppauge",
-                .product_name = "HVR-850",
+                .product_name = "HVR-950Q",
                 .ifnum = QUIRK_ANY_INTERFACE,
                 .type = QUIRK_AUDIO_ALIGN_TRANSFER,
         }
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index b45e54c09ba2..9a9da09586a5 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -32,6 +32,7 @@
 #include "helper.h"
 #include "endpoint.h"
 #include "pcm.h"
+#include "clock.h"
 
 /*
  * handle the quirks for the contained interfaces