Merge branch 'topic/usb-audio' into for-linus
authorTakashi Iwai <tiwai@suse.de>
Thu, 10 Sep 2009 13:33:07 +0000 (15:33 +0200)
committerTakashi Iwai <tiwai@suse.de>
Thu, 10 Sep 2009 13:33:07 +0000 (15:33 +0200)
* topic/usb-audio:
  ALSA: usb-audio - Fix types taken in min()
  sound: usb-audio: do not make URBs longer than sync packet interval
  sound: usb-audio: add MIDI drain callback
  sound: usb-audio: use multiple output URBs
  sound: usb-audio: use multiple input URBs
  sound: usb-audio: Xonar U1 digital output support

sound/usb/usbaudio.c
sound/usb/usbmidi.c
sound/usb/usbmixer.c

index 3a53c79f48b8711d5fef7fd36be4d9550a2fb137..8db0374e10d5e23bd47ed08b4c1b6cb0afd60737 100644 (file)
@@ -1083,6 +1083,8 @@ static int init_substream_urbs(struct snd_usb_substream *subs, unsigned int peri
        } else
                urb_packs = 1;
        urb_packs *= packs_per_ms;
+       if (subs->syncpipe)
+               urb_packs = min(urb_packs, 1U << subs->syncinterval);
 
        /* decide how many packets to be used */
        if (is_playback) {
index 2fb35cc22a3030b687d1623546196cd6e8e2de27..0eff19ceb7e1f9d74653d80c402d3930a6be8bf8 100644 (file)
@@ -45,6 +45,7 @@
 #include <linux/slab.h>
 #include <linux/timer.h>
 #include <linux/usb.h>
+#include <linux/wait.h>
 #include <sound/core.h>
 #include <sound/rawmidi.h>
 #include <sound/asequencer.h>
@@ -62,6 +63,9 @@
  */
 #define ERROR_DELAY_JIFFIES (HZ / 10)
 
+#define OUTPUT_URBS 7
+#define INPUT_URBS 7
+
 
 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
 MODULE_DESCRIPTION("USB Audio/MIDI helper module");
@@ -90,7 +94,7 @@ struct snd_usb_midi_endpoint;
 
 struct usb_protocol_ops {
        void (*input)(struct snd_usb_midi_in_endpoint*, uint8_t*, int);
-       void (*output)(struct snd_usb_midi_out_endpoint*);
+       void (*output)(struct snd_usb_midi_out_endpoint *ep, struct urb *urb);
        void (*output_packet)(struct urb*, uint8_t, uint8_t, uint8_t, uint8_t);
        void (*init_out_endpoint)(struct snd_usb_midi_out_endpoint*);
        void (*finish_out_endpoint)(struct snd_usb_midi_out_endpoint*);
@@ -116,11 +120,15 @@ struct snd_usb_midi {
 
 struct snd_usb_midi_out_endpoint {
        struct snd_usb_midi* umidi;
-       struct urb* urb;
-       int urb_active;
+       struct out_urb_context {
+               struct urb *urb;
+               struct snd_usb_midi_out_endpoint *ep;
+       } urbs[OUTPUT_URBS];
+       unsigned int active_urbs;
+       unsigned int drain_urbs;
        int max_transfer;               /* size of urb buffer */
        struct tasklet_struct tasklet;
-
+       unsigned int next_urb;
        spinlock_t buffer_lock;
 
        struct usbmidi_out_port {
@@ -139,11 +147,13 @@ struct snd_usb_midi_out_endpoint {
                uint8_t data[2];
        } ports[0x10];
        int current_port;
+
+       wait_queue_head_t drain_wait;
 };
 
 struct snd_usb_midi_in_endpoint {
        struct snd_usb_midi* umidi;
-       struct urb* urb;
+       struct urb* urbs[INPUT_URBS];
        struct usbmidi_in_port {
                struct snd_rawmidi_substream *substream;
                u8 running_status_length;
@@ -251,10 +261,17 @@ static void snd_usbmidi_in_urb_complete(struct urb* urb)
 
 static void snd_usbmidi_out_urb_complete(struct urb* urb)
 {
-       struct snd_usb_midi_out_endpoint* ep = urb->context;
+       struct out_urb_context *context = urb->context;
+       struct snd_usb_midi_out_endpoint* ep = context->ep;
+       unsigned int urb_index;
 
        spin_lock(&ep->buffer_lock);
-       ep->urb_active = 0;
+       urb_index = context - ep->urbs;
+       ep->active_urbs &= ~(1 << urb_index);
+       if (unlikely(ep->drain_urbs)) {
+               ep->drain_urbs &= ~(1 << urb_index);
+               wake_up(&ep->drain_wait);
+       }
        spin_unlock(&ep->buffer_lock);
        if (urb->status < 0) {
                int err = snd_usbmidi_urb_error(urb->status);
@@ -274,24 +291,38 @@ static void snd_usbmidi_out_urb_complete(struct urb* urb)
  */
 static void snd_usbmidi_do_output(struct snd_usb_midi_out_endpoint* ep)
 {
-       struct urb* urb = ep->urb;
+       unsigned int urb_index;
+       struct urb* urb;
        unsigned long flags;
 
        spin_lock_irqsave(&ep->buffer_lock, flags);
-       if (ep->urb_active || ep->umidi->chip->shutdown) {
+       if (ep->umidi->chip->shutdown) {
                spin_unlock_irqrestore(&ep->buffer_lock, flags);
                return;
        }
 
-       urb->transfer_buffer_length = 0;
-       ep->umidi->usb_protocol_ops->output(ep);
+       urb_index = ep->next_urb;
+       for (;;) {
+               if (!(ep->active_urbs & (1 << urb_index))) {
+                       urb = ep->urbs[urb_index].urb;
+                       urb->transfer_buffer_length = 0;
+                       ep->umidi->usb_protocol_ops->output(ep, urb);
+                       if (urb->transfer_buffer_length == 0)
+                               break;
 
-       if (urb->transfer_buffer_length > 0) {
-               dump_urb("sending", urb->transfer_buffer,
-                        urb->transfer_buffer_length);
-               urb->dev = ep->umidi->chip->dev;
-               ep->urb_active = snd_usbmidi_submit_urb(urb, GFP_ATOMIC) >= 0;
+                       dump_urb("sending", urb->transfer_buffer,
+                                urb->transfer_buffer_length);
+                       urb->dev = ep->umidi->chip->dev;
+                       if (snd_usbmidi_submit_urb(urb, GFP_ATOMIC) < 0)
+                               break;
+                       ep->active_urbs |= 1 << urb_index;
+               }
+               if (++urb_index >= OUTPUT_URBS)
+                       urb_index = 0;
+               if (urb_index == ep->next_urb)
+                       break;
        }
+       ep->next_urb = urb_index;
        spin_unlock_irqrestore(&ep->buffer_lock, flags);
 }
 
@@ -306,7 +337,7 @@ static void snd_usbmidi_out_tasklet(unsigned long data)
 static void snd_usbmidi_error_timer(unsigned long data)
 {
        struct snd_usb_midi *umidi = (struct snd_usb_midi *)data;
-       int i;
+       unsigned int i, j;
 
        spin_lock(&umidi->disc_lock);
        if (umidi->disconnected) {
@@ -317,8 +348,10 @@ static void snd_usbmidi_error_timer(unsigned long data)
                struct snd_usb_midi_in_endpoint *in = umidi->endpoints[i].in;
                if (in && in->error_resubmit) {
                        in->error_resubmit = 0;
-                       in->urb->dev = umidi->chip->dev;
-                       snd_usbmidi_submit_urb(in->urb, GFP_ATOMIC);
+                       for (j = 0; j < INPUT_URBS; ++j) {
+                               in->urbs[j]->dev = umidi->chip->dev;
+                               snd_usbmidi_submit_urb(in->urbs[j], GFP_ATOMIC);
+                       }
                }
                if (umidi->endpoints[i].out)
                        snd_usbmidi_do_output(umidi->endpoints[i].out);
@@ -330,13 +363,14 @@ static void snd_usbmidi_error_timer(unsigned long data)
 static int send_bulk_static_data(struct snd_usb_midi_out_endpoint* ep,
                                 const void *data, int len)
 {
-       int err;
+       int err = 0;
        void *buf = kmemdup(data, len, GFP_KERNEL);
        if (!buf)
                return -ENOMEM;
        dump_urb("sending", buf, len);
-       err = usb_bulk_msg(ep->umidi->chip->dev, ep->urb->pipe, buf, len,
-                          NULL, 250);
+       if (ep->urbs[0].urb)
+               err = usb_bulk_msg(ep->umidi->chip->dev, ep->urbs[0].urb->pipe,
+                                  buf, len, NULL, 250);
        kfree(buf);
        return err;
 }
@@ -554,9 +588,9 @@ static void snd_usbmidi_transmit_byte(struct usbmidi_out_port* port,
        }
 }
 
-static void snd_usbmidi_standard_output(struct snd_usb_midi_out_endpoint* ep)
+static void snd_usbmidi_standard_output(struct snd_usb_midi_out_endpoint* ep,
+                                       struct urb *urb)
 {
-       struct urb* urb = ep->urb;
        int p;
 
        /* FIXME: lower-numbered ports can starve higher-numbered ports */
@@ -613,14 +647,15 @@ static void snd_usbmidi_novation_input(struct snd_usb_midi_in_endpoint* ep,
        snd_usbmidi_input_data(ep, 0, &buffer[2], buffer[0] - 1);
 }
 
-static void snd_usbmidi_novation_output(struct snd_usb_midi_out_endpoint* ep)
+static void snd_usbmidi_novation_output(struct snd_usb_midi_out_endpoint* ep,
+                                       struct urb *urb)
 {
        uint8_t* transfer_buffer;
        int count;
 
        if (!ep->ports[0].active)
                return;
-       transfer_buffer = ep->urb->transfer_buffer;
+       transfer_buffer = urb->transfer_buffer;
        count = snd_rawmidi_transmit(ep->ports[0].substream,
                                     &transfer_buffer[2],
                                     ep->max_transfer - 2);
@@ -630,7 +665,7 @@ static void snd_usbmidi_novation_output(struct snd_usb_midi_out_endpoint* ep)
        }
        transfer_buffer[0] = 0;
        transfer_buffer[1] = count;
-       ep->urb->transfer_buffer_length = 2 + count;
+       urb->transfer_buffer_length = 2 + count;
 }
 
 static struct usb_protocol_ops snd_usbmidi_novation_ops = {
@@ -648,20 +683,21 @@ static void snd_usbmidi_raw_input(struct snd_usb_midi_in_endpoint* ep,
        snd_usbmidi_input_data(ep, 0, buffer, buffer_length);
 }
 
-static void snd_usbmidi_raw_output(struct snd_usb_midi_out_endpoint* ep)
+static void snd_usbmidi_raw_output(struct snd_usb_midi_out_endpoint* ep,
+                                  struct urb *urb)
 {
        int count;
 
        if (!ep->ports[0].active)
                return;
        count = snd_rawmidi_transmit(ep->ports[0].substream,
-                                    ep->urb->transfer_buffer,
+                                    urb->transfer_buffer,
                                     ep->max_transfer);
        if (count < 1) {
                ep->ports[0].active = 0;
                return;
        }
-       ep->urb->transfer_buffer_length = count;
+       urb->transfer_buffer_length = count;
 }
 
 static struct usb_protocol_ops snd_usbmidi_raw_ops = {
@@ -681,23 +717,25 @@ static void snd_usbmidi_us122l_input(struct snd_usb_midi_in_endpoint *ep,
                snd_usbmidi_input_data(ep, 0, buffer, buffer_length);
 }
 
-static void snd_usbmidi_us122l_output(struct snd_usb_midi_out_endpoint *ep)
+static void snd_usbmidi_us122l_output(struct snd_usb_midi_out_endpoint *ep,
+                                     struct urb *urb)
 {
        int count;
 
        if (!ep->ports[0].active)
                return;
-       count = ep->urb->dev->speed == USB_SPEED_HIGH ? 1 : 2;
+       count = snd_usb_get_speed(ep->umidi->chip->dev) == USB_SPEED_HIGH
+               ? 1 : 2;
        count = snd_rawmidi_transmit(ep->ports[0].substream,
-                                    ep->urb->transfer_buffer,
+                                    urb->transfer_buffer,
                                     count);
        if (count < 1) {
                ep->ports[0].active = 0;
                return;
        }
 
-       memset(ep->urb->transfer_buffer + count, 0xFD, 9 - count);
-       ep->urb->transfer_buffer_length = count;
+       memset(urb->transfer_buffer + count, 0xFD, 9 - count);
+       urb->transfer_buffer_length = count;
 }
 
 static struct usb_protocol_ops snd_usbmidi_122l_ops = {
@@ -786,10 +824,11 @@ static void snd_usbmidi_emagic_input(struct snd_usb_midi_in_endpoint* ep,
        }
 }
 
-static void snd_usbmidi_emagic_output(struct snd_usb_midi_out_endpoint* ep)
+static void snd_usbmidi_emagic_output(struct snd_usb_midi_out_endpoint* ep,
+                                     struct urb *urb)
 {
        int port0 = ep->current_port;
-       uint8_t* buf = ep->urb->transfer_buffer;
+       uint8_t* buf = urb->transfer_buffer;
        int buf_free = ep->max_transfer;
        int length, i;
 
@@ -829,7 +868,7 @@ static void snd_usbmidi_emagic_output(struct snd_usb_midi_out_endpoint* ep)
                *buf = 0xff;
                --buf_free;
        }
-       ep->urb->transfer_buffer_length = ep->max_transfer - buf_free;
+       urb->transfer_buffer_length = ep->max_transfer - buf_free;
 }
 
 static struct usb_protocol_ops snd_usbmidi_emagic_ops = {
@@ -884,6 +923,35 @@ static void snd_usbmidi_output_trigger(struct snd_rawmidi_substream *substream,
        }
 }
 
+static void snd_usbmidi_output_drain(struct snd_rawmidi_substream *substream)
+{
+       struct usbmidi_out_port* port = substream->runtime->private_data;
+       struct snd_usb_midi_out_endpoint *ep = port->ep;
+       unsigned int drain_urbs;
+       DEFINE_WAIT(wait);
+       long timeout = msecs_to_jiffies(50);
+
+       /*
+        * The substream buffer is empty, but some data might still be in the
+        * currently active URBs, so we have to wait for those to complete.
+        */
+       spin_lock_irq(&ep->buffer_lock);
+       drain_urbs = ep->active_urbs;
+       if (drain_urbs) {
+               ep->drain_urbs |= drain_urbs;
+               do {
+                       prepare_to_wait(&ep->drain_wait, &wait,
+                                       TASK_UNINTERRUPTIBLE);
+                       spin_unlock_irq(&ep->buffer_lock);
+                       timeout = schedule_timeout(timeout);
+                       spin_lock_irq(&ep->buffer_lock);
+                       drain_urbs &= ep->drain_urbs;
+               } while (drain_urbs && timeout);
+               finish_wait(&ep->drain_wait, &wait);
+       }
+       spin_unlock_irq(&ep->buffer_lock);
+}
+
 static int snd_usbmidi_input_open(struct snd_rawmidi_substream *substream)
 {
        return 0;
@@ -908,6 +976,7 @@ static struct snd_rawmidi_ops snd_usbmidi_output_ops = {
        .open = snd_usbmidi_output_open,
        .close = snd_usbmidi_output_close,
        .trigger = snd_usbmidi_output_trigger,
+       .drain = snd_usbmidi_output_drain,
 };
 
 static struct snd_rawmidi_ops snd_usbmidi_input_ops = {
@@ -916,19 +985,26 @@ static struct snd_rawmidi_ops snd_usbmidi_input_ops = {
        .trigger = snd_usbmidi_input_trigger
 };
 
+static void free_urb_and_buffer(struct snd_usb_midi *umidi, struct urb *urb,
+                               unsigned int buffer_length)
+{
+       usb_buffer_free(umidi->chip->dev, buffer_length,
+                       urb->transfer_buffer, urb->transfer_dma);
+       usb_free_urb(urb);
+}
+
 /*
  * Frees an input endpoint.
  * May be called when ep hasn't been initialized completely.
  */
 static void snd_usbmidi_in_endpoint_delete(struct snd_usb_midi_in_endpoint* ep)
 {
-       if (ep->urb) {
-               usb_buffer_free(ep->umidi->chip->dev,
-                               ep->urb->transfer_buffer_length,
-                               ep->urb->transfer_buffer,
-                               ep->urb->transfer_dma);
-               usb_free_urb(ep->urb);
-       }
+       unsigned int i;
+
+       for (i = 0; i < INPUT_URBS; ++i)
+               if (ep->urbs[i])
+                       free_urb_and_buffer(ep->umidi, ep->urbs[i],
+                                           ep->urbs[i]->transfer_buffer_length);
        kfree(ep);
 }
 
@@ -943,6 +1019,7 @@ static int snd_usbmidi_in_endpoint_create(struct snd_usb_midi* umidi,
        void* buffer;
        unsigned int pipe;
        int length;
+       unsigned int i;
 
        rep->in = NULL;
        ep = kzalloc(sizeof(*ep), GFP_KERNEL);
@@ -950,30 +1027,36 @@ static int snd_usbmidi_in_endpoint_create(struct snd_usb_midi* umidi,
                return -ENOMEM;
        ep->umidi = umidi;
 
-       ep->urb = usb_alloc_urb(0, GFP_KERNEL);
-       if (!ep->urb) {
-               snd_usbmidi_in_endpoint_delete(ep);
-               return -ENOMEM;
+       for (i = 0; i < INPUT_URBS; ++i) {
+               ep->urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
+               if (!ep->urbs[i]) {
+                       snd_usbmidi_in_endpoint_delete(ep);
+                       return -ENOMEM;
+               }
        }
        if (ep_info->in_interval)
                pipe = usb_rcvintpipe(umidi->chip->dev, ep_info->in_ep);
        else
                pipe = usb_rcvbulkpipe(umidi->chip->dev, ep_info->in_ep);
        length = usb_maxpacket(umidi->chip->dev, pipe, 0);
-       buffer = usb_buffer_alloc(umidi->chip->dev, length, GFP_KERNEL,
-                                 &ep->urb->transfer_dma);
-       if (!buffer) {
-               snd_usbmidi_in_endpoint_delete(ep);
-               return -ENOMEM;
+       for (i = 0; i < INPUT_URBS; ++i) {
+               buffer = usb_buffer_alloc(umidi->chip->dev, length, GFP_KERNEL,
+                                         &ep->urbs[i]->transfer_dma);
+               if (!buffer) {
+                       snd_usbmidi_in_endpoint_delete(ep);
+                       return -ENOMEM;
+               }
+               if (ep_info->in_interval)
+                       usb_fill_int_urb(ep->urbs[i], umidi->chip->dev,
+                                        pipe, buffer, length,
+                                        snd_usbmidi_in_urb_complete,
+                                        ep, ep_info->in_interval);
+               else
+                       usb_fill_bulk_urb(ep->urbs[i], umidi->chip->dev,
+                                         pipe, buffer, length,
+                                         snd_usbmidi_in_urb_complete, ep);
+               ep->urbs[i]->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
        }
-       if (ep_info->in_interval)
-               usb_fill_int_urb(ep->urb, umidi->chip->dev, pipe, buffer,
-                                length, snd_usbmidi_in_urb_complete, ep,
-                                ep_info->in_interval);
-       else
-               usb_fill_bulk_urb(ep->urb, umidi->chip->dev, pipe, buffer,
-                                 length, snd_usbmidi_in_urb_complete, ep);
-       ep->urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
 
        rep->in = ep;
        return 0;
@@ -994,12 +1077,12 @@ static unsigned int snd_usbmidi_count_bits(unsigned int x)
  */
 static void snd_usbmidi_out_endpoint_delete(struct snd_usb_midi_out_endpoint* ep)
 {
-       if (ep->urb) {
-               usb_buffer_free(ep->umidi->chip->dev, ep->max_transfer,
-                               ep->urb->transfer_buffer,
-                               ep->urb->transfer_dma);
-               usb_free_urb(ep->urb);
-       }
+       unsigned int i;
+
+       for (i = 0; i < OUTPUT_URBS; ++i)
+               if (ep->urbs[i].urb)
+                       free_urb_and_buffer(ep->umidi, ep->urbs[i].urb,
+                                           ep->max_transfer);
        kfree(ep);
 }
 
@@ -1011,7 +1094,7 @@ static int snd_usbmidi_out_endpoint_create(struct snd_usb_midi* umidi,
                                           struct snd_usb_midi_endpoint* rep)
 {
        struct snd_usb_midi_out_endpoint* ep;
-       int i;
+       unsigned int i;
        unsigned int pipe;
        void* buffer;
 
@@ -1021,38 +1104,46 @@ static int snd_usbmidi_out_endpoint_create(struct snd_usb_midi* umidi,
                return -ENOMEM;
        ep->umidi = umidi;
 
-       ep->urb = usb_alloc_urb(0, GFP_KERNEL);
-       if (!ep->urb) {
-               snd_usbmidi_out_endpoint_delete(ep);
-               return -ENOMEM;
+       for (i = 0; i < OUTPUT_URBS; ++i) {
+               ep->urbs[i].urb = usb_alloc_urb(0, GFP_KERNEL);
+               if (!ep->urbs[i].urb) {
+                       snd_usbmidi_out_endpoint_delete(ep);
+                       return -ENOMEM;
+               }
+               ep->urbs[i].ep = ep;
        }
        if (ep_info->out_interval)
                pipe = usb_sndintpipe(umidi->chip->dev, ep_info->out_ep);
        else
                pipe = usb_sndbulkpipe(umidi->chip->dev, ep_info->out_ep);
        if (umidi->chip->usb_id == USB_ID(0x0a92, 0x1020)) /* ESI M4U */
-               /* FIXME: we need more URBs to get reasonable bandwidth here: */
                ep->max_transfer = 4;
        else
                ep->max_transfer = usb_maxpacket(umidi->chip->dev, pipe, 1);
-       buffer = usb_buffer_alloc(umidi->chip->dev, ep->max_transfer,
-                                 GFP_KERNEL, &ep->urb->transfer_dma);
-       if (!buffer) {
-               snd_usbmidi_out_endpoint_delete(ep);
-               return -ENOMEM;
+       for (i = 0; i < OUTPUT_URBS; ++i) {
+               buffer = usb_buffer_alloc(umidi->chip->dev,
+                                         ep->max_transfer, GFP_KERNEL,
+                                         &ep->urbs[i].urb->transfer_dma);
+               if (!buffer) {
+                       snd_usbmidi_out_endpoint_delete(ep);
+                       return -ENOMEM;
+               }
+               if (ep_info->out_interval)
+                       usb_fill_int_urb(ep->urbs[i].urb, umidi->chip->dev,
+                                        pipe, buffer, ep->max_transfer,
+                                        snd_usbmidi_out_urb_complete,
+                                        &ep->urbs[i], ep_info->out_interval);
+               else
+                       usb_fill_bulk_urb(ep->urbs[i].urb, umidi->chip->dev,
+                                         pipe, buffer, ep->max_transfer,
+                                         snd_usbmidi_out_urb_complete,
+                                         &ep->urbs[i]);
+               ep->urbs[i].urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
        }
-       if (ep_info->out_interval)
-               usb_fill_int_urb(ep->urb, umidi->chip->dev, pipe, buffer,
-                                ep->max_transfer, snd_usbmidi_out_urb_complete,
-                                ep, ep_info->out_interval);
-       else
-               usb_fill_bulk_urb(ep->urb, umidi->chip->dev,
-                                 pipe, buffer, ep->max_transfer,
-                                 snd_usbmidi_out_urb_complete, ep);
-       ep->urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
 
        spin_lock_init(&ep->buffer_lock);
        tasklet_init(&ep->tasklet, snd_usbmidi_out_tasklet, (unsigned long)ep);
+       init_waitqueue_head(&ep->drain_wait);
 
        for (i = 0; i < 0x10; ++i)
                if (ep_info->out_cables & (1 << i)) {
@@ -1090,7 +1181,7 @@ static void snd_usbmidi_free(struct snd_usb_midi* umidi)
 void snd_usbmidi_disconnect(struct list_head* p)
 {
        struct snd_usb_midi* umidi;
-       int i;
+       unsigned int i, j;
 
        umidi = list_entry(p, struct snd_usb_midi, list);
        /*
@@ -1105,13 +1196,15 @@ void snd_usbmidi_disconnect(struct list_head* p)
                struct snd_usb_midi_endpoint* ep = &umidi->endpoints[i];
                if (ep->out)
                        tasklet_kill(&ep->out->tasklet);
-               if (ep->out && ep->out->urb) {
-                       usb_kill_urb(ep->out->urb);
+               if (ep->out) {
+                       for (j = 0; j < OUTPUT_URBS; ++j)
+                               usb_kill_urb(ep->out->urbs[j].urb);
                        if (umidi->usb_protocol_ops->finish_out_endpoint)
                                umidi->usb_protocol_ops->finish_out_endpoint(ep->out);
                }
                if (ep->in)
-                       usb_kill_urb(ep->in->urb);
+                       for (j = 0; j < INPUT_URBS; ++j)
+                               usb_kill_urb(ep->in->urbs[j]);
                /* free endpoints here; later call can result in Oops */
                if (ep->out) {
                        snd_usbmidi_out_endpoint_delete(ep->out);
@@ -1692,20 +1785,25 @@ static int snd_usbmidi_create_rawmidi(struct snd_usb_midi* umidi,
 void snd_usbmidi_input_stop(struct list_head* p)
 {
        struct snd_usb_midi* umidi;
-       int i;
+       unsigned int i, j;
 
        umidi = list_entry(p, struct snd_usb_midi, list);
        for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) {
                struct snd_usb_midi_endpoint* ep = &umidi->endpoints[i];
                if (ep->in)
-                       usb_kill_urb(ep->in->urb);
+                       for (j = 0; j < INPUT_URBS; ++j)
+                               usb_kill_urb(ep->in->urbs[j]);
        }
 }
 
 static void snd_usbmidi_input_start_ep(struct snd_usb_midi_in_endpoint* ep)
 {
-       if (ep) {
-               struct urb* urb = ep->urb;
+       unsigned int i;
+
+       if (!ep)
+               return;
+       for (i = 0; i < INPUT_URBS; ++i) {
+               struct urb* urb = ep->urbs[i];
                urb->dev = ep->umidi->chip->dev;
                snd_usbmidi_submit_urb(urb, GFP_KERNEL);
        }
index df8969188d158d7217f9951f9173954d16c91d38..ab5a3ac2ac47c5ee9aa086d87481e5446777438d 100644 (file)
@@ -86,6 +86,7 @@ struct usb_mixer_interface {
        u8 rc_buffer[6];
 
        u8 audigy2nx_leds[3];
+       u8 xonar_u1_status;
 };
 
 
@@ -2042,6 +2043,58 @@ static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
        }
 }
 
+static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
+                                  struct snd_ctl_elem_value *ucontrol)
+{
+       struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
+
+       ucontrol->value.integer.value[0] = !!(mixer->xonar_u1_status & 0x02);
+       return 0;
+}
+
+static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
+                                  struct snd_ctl_elem_value *ucontrol)
+{
+       struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
+       u8 old_status, new_status;
+       int err, changed;
+
+       old_status = mixer->xonar_u1_status;
+       if (ucontrol->value.integer.value[0])
+               new_status = old_status | 0x02;
+       else
+               new_status = old_status & ~0x02;
+       changed = new_status != old_status;
+       err = snd_usb_ctl_msg(mixer->chip->dev,
+                             usb_sndctrlpipe(mixer->chip->dev, 0), 0x08,
+                             USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
+                             50, 0, &new_status, 1, 100);
+       if (err < 0)
+               return err;
+       mixer->xonar_u1_status = new_status;
+       return changed;
+}
+
+static struct snd_kcontrol_new snd_xonar_u1_output_switch = {
+       .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+       .name = "Digital Playback Switch",
+       .info = snd_ctl_boolean_mono_info,
+       .get = snd_xonar_u1_switch_get,
+       .put = snd_xonar_u1_switch_put,
+};
+
+static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
+{
+       int err;
+
+       err = snd_ctl_add(mixer->chip->card,
+                         snd_ctl_new1(&snd_xonar_u1_output_switch, mixer));
+       if (err < 0)
+               return err;
+       mixer->xonar_u1_status = 0x05;
+       return 0;
+}
+
 int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
                         int ignore_error)
 {
@@ -2084,6 +2137,13 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
                                              snd_audigy2nx_proc_read);
        }
 
+       if (mixer->chip->usb_id == USB_ID(0x0b05, 0x1739) ||
+           mixer->chip->usb_id == USB_ID(0x0b05, 0x1743)) {
+               err = snd_xonar_u1_controls_create(mixer);
+               if (err < 0)
+                       goto _error;
+       }
+
        err = snd_device_new(chip->card, SNDRV_DEV_LOWLEVEL, mixer, &dev_ops);
        if (err < 0)
                goto _error;