ALSA: snd_usb_caiaq: clean whitespaces
Daniel Mack [Mon, 1 Jun 2009 19:36:23 +0000 (21:36 +0200)]
Cosmetic changes only, no code change.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/usb/caiaq/audio.c
sound/usb/caiaq/device.c
sound/usb/caiaq/midi.c

index b13ce76..b144513 100644 (file)
        (stream << 1) | (~(i / (dev->n_streams * BYTES_PER_SAMPLE_USB)) & 1)
 
 static struct snd_pcm_hardware snd_usb_caiaq_pcm_hardware = {
-       .info           = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 
+       .info           = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
                           SNDRV_PCM_INFO_BLOCK_TRANSFER),
        .formats        = SNDRV_PCM_FMTBIT_S24_3BE,
-       .rates          = (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 
+       .rates          = (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
                           SNDRV_PCM_RATE_96000),
        .rate_min       = 44100,
        .rate_max       = 0, /* will overwrite later */
@@ -68,7 +68,7 @@ activate_substream(struct snd_usb_caiaqdev *dev,
                dev->sub_capture[sub->number] = sub;
 }
 
-static void 
+static void
 deactivate_substream(struct snd_usb_caiaqdev *dev,
                     struct snd_pcm_substream *sub)
 {
@@ -118,7 +118,7 @@ static int stream_start(struct snd_usb_caiaqdev *dev)
                        return -EPIPE;
                }
        }
-       
+
        return 0;
 }
 
@@ -129,7 +129,7 @@ static void stream_stop(struct snd_usb_caiaqdev *dev)
        debug("%s(%p)\n", __func__, dev);
        if (!dev->streaming)
                return;
-       
+
        dev->streaming = 0;
 
        for (i = 0; i < N_URBS; i++) {
@@ -154,7 +154,7 @@ static int snd_usb_caiaq_substream_close(struct snd_pcm_substream *substream)
        debug("%s(%p)\n", __func__, substream);
        if (all_substreams_zero(dev->sub_playback) &&
            all_substreams_zero(dev->sub_capture)) {
-               /* when the last client has stopped streaming, 
+               /* when the last client has stopped streaming,
                 * all sample rates are allowed again */
                stream_stop(dev);
                dev->pcm_info.rates = dev->samplerates;
@@ -194,7 +194,7 @@ static int snd_usb_caiaq_pcm_prepare(struct snd_pcm_substream *substream)
        struct snd_pcm_runtime *runtime = substream->runtime;
 
        debug("%s(%p)\n", __func__, substream);
-       
+
        if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
                dev->period_out_count[index] = BYTES_PER_SAMPLE + 1;
                dev->audio_out_buf_pos[index] = BYTES_PER_SAMPLE + 1;
@@ -205,19 +205,19 @@ static int snd_usb_caiaq_pcm_prepare(struct snd_pcm_substream *substream)
 
        if (dev->streaming)
                return 0;
-       
+
        /* the first client that opens a stream defines the sample rate
         * setting for all subsequent calls, until the last client closed. */
        for (i=0; i < ARRAY_SIZE(rates); i++)
                if (runtime->rate == rates[i])
                        dev->pcm_info.rates = 1 << i;
-       
+
        snd_pcm_limit_hw_rates(runtime);
 
        bytes_per_sample = BYTES_PER_SAMPLE;
        if (dev->spec.data_alignment == 2)
                bytes_per_sample++;
-       
+
        bpp = ((runtime->rate / 8000) + CLOCK_DRIFT_TOLERANCE)
                * bytes_per_sample * CHANNELS_PER_STREAM * dev->n_streams;
 
@@ -232,7 +232,7 @@ static int snd_usb_caiaq_pcm_prepare(struct snd_pcm_substream *substream)
        ret = stream_start(dev);
        if (ret)
                return ret;
-       
+
        dev->output_running = 0;
        wait_event_timeout(dev->prepare_wait_queue, dev->output_running, HZ);
        if (!dev->output_running) {
@@ -273,7 +273,7 @@ snd_usb_caiaq_pcm_pointer(struct snd_pcm_substream *sub)
                return SNDRV_PCM_POS_XRUN;
 
        if (sub->stream == SNDRV_PCM_STREAM_PLAYBACK)
-               return bytes_to_frames(sub->runtime, 
+               return bytes_to_frames(sub->runtime,
                                        dev->audio_out_buf_pos[index]);
        else
                return bytes_to_frames(sub->runtime,
@@ -291,7 +291,7 @@ static struct snd_pcm_ops snd_usb_caiaq_ops = {
        .trigger =      snd_usb_caiaq_pcm_trigger,
        .pointer =      snd_usb_caiaq_pcm_pointer
 };
-       
+
 static void check_for_elapsed_periods(struct snd_usb_caiaqdev *dev,
                                      struct snd_pcm_substream **subs)
 {
@@ -333,7 +333,7 @@ static void read_in_urb_mode0(struct snd_usb_caiaqdev *dev,
                                struct snd_pcm_runtime *rt = sub->runtime;
                                char *audio_buf = rt->dma_area;
                                int sz = frames_to_bytes(rt, rt->buffer_size);
-                               audio_buf[dev->audio_in_buf_pos[stream]++] 
+                               audio_buf[dev->audio_in_buf_pos[stream]++]
                                        = usb_buf[i];
                                dev->period_in_count[stream]++;
                                if (dev->audio_in_buf_pos[stream] == sz)
@@ -354,14 +354,14 @@ static void read_in_urb_mode2(struct snd_usb_caiaqdev *dev,
 
        for (i = 0; i < iso->actual_length;) {
                if (i % (dev->n_streams * BYTES_PER_SAMPLE_USB) == 0) {
-                       for (stream = 0; 
-                            stream < dev->n_streams; 
+                       for (stream = 0;
+                            stream < dev->n_streams;
                             stream++, i++) {
                                if (dev->first_packet)
                                        continue;
 
                                check_byte = MAKE_CHECKBYTE(dev, stream, i);
-                               
+
                                if ((usb_buf[i] & 0x3f) != check_byte)
                                        dev->input_panic = 1;
 
@@ -410,21 +410,21 @@ static void read_in_urb(struct snd_usb_caiaqdev *dev,
        }
 
        if ((dev->input_panic || dev->output_panic) && !dev->warned) {
-               debug("streaming error detected %s %s\n", 
+               debug("streaming error detected %s %s\n",
                                dev->input_panic ? "(input)" : "",
                                dev->output_panic ? "(output)" : "");
                dev->warned = 1;
        }
 }
 
-static void fill_out_urb(struct snd_usb_caiaqdev *dev, 
-                        struct urb *urb, 
+static void fill_out_urb(struct snd_usb_caiaqdev *dev,
+                        struct urb *urb,
                         const struct usb_iso_packet_descriptor *iso)
 {
        unsigned char *usb_buf = urb->transfer_buffer + iso->offset;
        struct snd_pcm_substream *sub;
        int stream, i;
-       
+
        for (i = 0; i < iso->length;) {
                for (stream = 0; stream < dev->n_streams; stream++, i++) {
                        sub = dev->sub_playback[stream];
@@ -444,7 +444,7 @@ static void fill_out_urb(struct snd_usb_caiaqdev *dev,
 
                /* fill in the check bytes */
                if (dev->spec.data_alignment == 2 &&
-                   i % (dev->n_streams * BYTES_PER_SAMPLE_USB) == 
+                   i % (dev->n_streams * BYTES_PER_SAMPLE_USB) ==
                        (dev->n_streams * CHANNELS_PER_STREAM))
                    for (stream = 0; stream < dev->n_streams; stream++, i++)
                        usb_buf[i] = MAKE_CHECKBYTE(dev, stream, i);
@@ -453,7 +453,7 @@ static void fill_out_urb(struct snd_usb_caiaqdev *dev,
 
 static void read_completed(struct urb *urb)
 {
-       struct snd_usb_caiaq_cb_info *info = urb->context; 
+       struct snd_usb_caiaq_cb_info *info = urb->context;
        struct snd_usb_caiaqdev *dev;
        struct urb *out;
        int frame, len, send_it = 0, outframe = 0;
@@ -478,7 +478,7 @@ static void read_completed(struct urb *urb)
                out->iso_frame_desc[outframe].length = len;
                out->iso_frame_desc[outframe].actual_length = 0;
                out->iso_frame_desc[outframe].offset = BYTES_PER_FRAME * frame;
-               
+
                if (len > 0) {
                        spin_lock(&dev->spinlock);
                        fill_out_urb(dev, out, &out->iso_frame_desc[outframe]);
@@ -497,14 +497,14 @@ static void read_completed(struct urb *urb)
                out->transfer_flags = URB_ISO_ASAP;
                usb_submit_urb(out, GFP_ATOMIC);
        }
-       
+
        /* re-submit inbound urb */
        for (frame = 0; frame < FRAMES_PER_URB; frame++) {
                urb->iso_frame_desc[frame].offset = BYTES_PER_FRAME * frame;
                urb->iso_frame_desc[frame].length = BYTES_PER_FRAME;
                urb->iso_frame_desc[frame].actual_length = 0;
        }
-       
+
        urb->number_of_packets = FRAMES_PER_URB;
        urb->transfer_flags = URB_ISO_ASAP;
        usb_submit_urb(urb, GFP_ATOMIC);
@@ -528,7 +528,7 @@ static struct urb **alloc_urbs(struct snd_usb_caiaqdev *dev, int dir, int *ret)
        struct usb_device *usb_dev = dev->chip.dev;
        unsigned int pipe;
 
-       pipe = (dir == SNDRV_PCM_STREAM_PLAYBACK) ? 
+       pipe = (dir == SNDRV_PCM_STREAM_PLAYBACK) ?
                usb_sndisocpipe(usb_dev, ENDPOINT_PLAYBACK) :
                usb_rcvisocpipe(usb_dev, ENDPOINT_CAPTURE);
 
@@ -547,25 +547,25 @@ static struct urb **alloc_urbs(struct snd_usb_caiaqdev *dev, int dir, int *ret)
                        return urbs;
                }
 
-               urbs[i]->transfer_buffer = 
+               urbs[i]->transfer_buffer =
                        kmalloc(FRAMES_PER_URB * BYTES_PER_FRAME, GFP_KERNEL);
                if (!urbs[i]->transfer_buffer) {
                        log("unable to kmalloc() transfer buffer, OOM!?\n");
                        *ret = -ENOMEM;
                        return urbs;
                }
-               
+
                for (frame = 0; frame < FRAMES_PER_URB; frame++) {
-                       struct usb_iso_packet_descriptor *iso = 
+                       struct usb_iso_packet_descriptor *iso =
                                &urbs[i]->iso_frame_desc[frame];
-                       
+
                        iso->offset = BYTES_PER_FRAME * frame;
                        iso->length = BYTES_PER_FRAME;
                }
-               
+
                urbs[i]->dev = usb_dev;
                urbs[i]->pipe = pipe;
-               urbs[i]->transfer_buffer_length = FRAMES_PER_URB 
+               urbs[i]->transfer_buffer_length = FRAMES_PER_URB
                                                * BYTES_PER_FRAME;
                urbs[i]->context = &dev->data_cb_info[i];
                urbs[i]->interval = 1;
@@ -589,7 +589,7 @@ static void free_urbs(struct urb **urbs)
        for (i = 0; i < N_URBS; i++) {
                if (!urbs[i])
                        continue;
-               
+
                usb_kill_urb(urbs[i]);
                kfree(urbs[i]->transfer_buffer);
                usb_free_urb(urbs[i]);
@@ -602,11 +602,11 @@ int snd_usb_caiaq_audio_init(struct snd_usb_caiaqdev *dev)
 {
        int i, ret;
 
-       dev->n_audio_in  = max(dev->spec.num_analog_audio_in, 
-                              dev->spec.num_digital_audio_in) / 
+       dev->n_audio_in  = max(dev->spec.num_analog_audio_in,
+                              dev->spec.num_digital_audio_in) /
                                CHANNELS_PER_STREAM;
        dev->n_audio_out = max(dev->spec.num_analog_audio_out,
-                              dev->spec.num_digital_audio_out) / 
+                              dev->spec.num_digital_audio_out) /
                                CHANNELS_PER_STREAM;
        dev->n_streams = max(dev->n_audio_in, dev->n_audio_out);
 
@@ -619,7 +619,7 @@ int snd_usb_caiaq_audio_init(struct snd_usb_caiaqdev *dev)
                return -EINVAL;
        }
 
-       ret = snd_pcm_new(dev->chip.card, dev->product_name, 0, 
+       ret = snd_pcm_new(dev->chip.card, dev->product_name, 0,
                        dev->n_audio_out, dev->n_audio_in, &dev->pcm);
 
        if (ret < 0) {
@@ -632,7 +632,7 @@ int snd_usb_caiaq_audio_init(struct snd_usb_caiaqdev *dev)
 
        memset(dev->sub_playback, 0, sizeof(dev->sub_playback));
        memset(dev->sub_capture, 0, sizeof(dev->sub_capture));
-       
+
        memcpy(&dev->pcm_info, &snd_usb_caiaq_pcm_hardware,
                        sizeof(snd_usb_caiaq_pcm_hardware));
 
@@ -651,9 +651,9 @@ int snd_usb_caiaq_audio_init(struct snd_usb_caiaqdev *dev)
                break;
        }
 
-       snd_pcm_set_ops(dev->pcm, SNDRV_PCM_STREAM_PLAYBACK, 
+       snd_pcm_set_ops(dev->pcm, SNDRV_PCM_STREAM_PLAYBACK,
                                &snd_usb_caiaq_ops);
-       snd_pcm_set_ops(dev->pcm, SNDRV_PCM_STREAM_CAPTURE, 
+       snd_pcm_set_ops(dev->pcm, SNDRV_PCM_STREAM_CAPTURE,
                                &snd_usb_caiaq_ops);
 
        snd_pcm_lib_preallocate_pages_for_all(dev->pcm,
@@ -662,7 +662,7 @@ int snd_usb_caiaq_audio_init(struct snd_usb_caiaqdev *dev)
                                        MAX_BUFFER_SIZE, MAX_BUFFER_SIZE);
 
        dev->data_cb_info =
-               kmalloc(sizeof(struct snd_usb_caiaq_cb_info) * N_URBS, 
+               kmalloc(sizeof(struct snd_usb_caiaq_cb_info) * N_URBS,
                                        GFP_KERNEL);
 
        if (!dev->data_cb_info)
@@ -672,14 +672,14 @@ int snd_usb_caiaq_audio_init(struct snd_usb_caiaqdev *dev)
                dev->data_cb_info[i].dev = dev;
                dev->data_cb_info[i].index = i;
        }
-       
+
        dev->data_urbs_in = alloc_urbs(dev, SNDRV_PCM_STREAM_CAPTURE, &ret);
        if (ret < 0) {
                kfree(dev->data_cb_info);
                free_urbs(dev->data_urbs_in);
                return ret;
        }
-       
+
        dev->data_urbs_out = alloc_urbs(dev, SNDRV_PCM_STREAM_PLAYBACK, &ret);
        if (ret < 0) {
                kfree(dev->data_cb_info);
index 515de1c..9be0f2e 100644 (file)
@@ -79,7 +79,7 @@ static struct usb_device_id snd_usb_id_table[] = {
        {
                .match_flags =  USB_DEVICE_ID_MATCH_DEVICE,
                .idVendor =     USB_VID_NATIVEINSTRUMENTS,
-               .idProduct =    USB_PID_RIGKONTROL2 
+               .idProduct =    USB_PID_RIGKONTROL2
        },
        {
                .match_flags =  USB_DEVICE_ID_MATCH_DEVICE,
@@ -197,7 +197,7 @@ int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *dev,
 
        if (buffer && len > 0)
                memcpy(dev->ep1_out_buf+1, buffer, len);
-       
+
        dev->ep1_out_buf[0] = command;
        return usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, 1),
                           dev->ep1_out_buf, len+1, &actual_len, 200);
@@ -208,7 +208,7 @@ int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *dev,
 {
        int ret;
        char tmp[5];
-       
+
        switch (rate) {
        case 44100:     tmp[0] = SAMPLERATE_44100;   break;
        case 48000:     tmp[0] = SAMPLERATE_48000;   break;
@@ -237,12 +237,12 @@ int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *dev,
 
        if (ret)
                return ret;
-       
-       if (!wait_event_timeout(dev->ep1_wait_queue, 
+
+       if (!wait_event_timeout(dev->ep1_wait_queue,
            dev->audio_parm_answer >= 0, HZ))
                return -EPIPE;
-               
-       if (dev->audio_parm_answer != 1) 
+
+       if (dev->audio_parm_answer != 1)
                debug("unable to set the device's audio params\n");
        else
                dev->bpp = bpp;
@@ -250,8 +250,8 @@ int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *dev,
        return dev->audio_parm_answer == 1 ? 0 : -EINVAL;
 }
 
-int snd_usb_caiaq_set_auto_msg (struct snd_usb_caiaqdev *dev, 
-                               int digital, int analog, int erp)
+int snd_usb_caiaq_set_auto_msg(struct snd_usb_caiaqdev *dev,
+                              int digital, int analog, int erp)
 {
        char tmp[3] = { digital, analog, erp };
        return snd_usb_caiaq_send_command(dev, EP1_CMD_AUTO_MSG,
@@ -262,7 +262,7 @@ static void __devinit setup_card(struct snd_usb_caiaqdev *dev)
 {
        int ret;
        char val[4];
-       
+
        /* device-specific startup specials */
        switch (dev->chip.usb_id) {
        case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
@@ -314,7 +314,7 @@ static void __devinit setup_card(struct snd_usb_caiaqdev *dev)
                        dev->control_state, 1);
                break;
        }
-       
+
        if (dev->spec.num_analog_audio_out +
            dev->spec.num_analog_audio_in +
            dev->spec.num_digital_audio_out +
@@ -323,7 +323,7 @@ static void __devinit setup_card(struct snd_usb_caiaqdev *dev)
                if (ret < 0)
                        log("Unable to set up audio system (ret=%d)\n", ret);
        }
-       
+
        if (dev->spec.num_midi_in +
            dev->spec.num_midi_out > 0) {
                ret = snd_usb_caiaq_midi_init(dev);
@@ -363,7 +363,7 @@ static int create_card(struct usb_device* usb_dev, struct snd_card **cardp)
        if (devnum >= SNDRV_CARDS)
                return -ENODEV;
 
-       err = snd_card_create(index[devnum], id[devnum], THIS_MODULE, 
+       err = snd_card_create(index[devnum], id[devnum], THIS_MODULE,
                              sizeof(struct snd_usb_caiaqdev), &card);
        if (err < 0)
                return err;
@@ -386,7 +386,7 @@ static int __devinit init_card(struct snd_usb_caiaqdev *dev)
        struct usb_device *usb_dev = dev->chip.dev;
        struct snd_card *card = dev->chip.card;
        int err, len;
-       
+
        if (usb_set_interface(usb_dev, 0, 1) != 0) {
                log("can't set alt interface.\n");
                return -EIO;
@@ -395,19 +395,19 @@ static int __devinit init_card(struct snd_usb_caiaqdev *dev)
        usb_init_urb(&dev->ep1_in_urb);
        usb_init_urb(&dev->midi_out_urb);
 
-       usb_fill_bulk_urb(&dev->ep1_in_urb, usb_dev, 
+       usb_fill_bulk_urb(&dev->ep1_in_urb, usb_dev,
                          usb_rcvbulkpipe(usb_dev, 0x1),
-                         dev->ep1_in_buf, EP1_BUFSIZE, 
+                         dev->ep1_in_buf, EP1_BUFSIZE,
                          usb_ep1_command_reply_dispatch, dev);
 
-       usb_fill_bulk_urb(&dev->midi_out_urb, usb_dev, 
+       usb_fill_bulk_urb(&dev->midi_out_urb, usb_dev,
                          usb_sndbulkpipe(usb_dev, 0x1),
-                         dev->midi_out_buf, EP1_BUFSIZE, 
+                         dev->midi_out_buf, EP1_BUFSIZE,
                          snd_usb_caiaq_midi_output_done, dev);
-       
+
        init_waitqueue_head(&dev->ep1_wait_queue);
        init_waitqueue_head(&dev->prepare_wait_queue);
-       
+
        if (usb_submit_urb(&dev->ep1_in_urb, GFP_KERNEL) != 0)
                return -EIO;
 
@@ -420,10 +420,10 @@ static int __devinit init_card(struct snd_usb_caiaqdev *dev)
 
        usb_string(usb_dev, usb_dev->descriptor.iManufacturer,
                   dev->vendor_name, CAIAQ_USB_STR_LEN);
-       
+
        usb_string(usb_dev, usb_dev->descriptor.iProduct,
                   dev->product_name, CAIAQ_USB_STR_LEN);
-       
+
        usb_string(usb_dev, usb_dev->descriptor.iSerialNumber,
                   dev->serial, CAIAQ_USB_STR_LEN);
 
@@ -431,7 +431,7 @@ static int __devinit init_card(struct snd_usb_caiaqdev *dev)
        c = strchr(dev->serial, ' ');
        if (c)
                *c = '\0';
-       
+
        strcpy(card->driver, MODNAME);
        strcpy(card->shortname, dev->product_name);
 
@@ -449,18 +449,18 @@ static int __devinit init_card(struct snd_usb_caiaqdev *dev)
        return 0;
 }
 
-static int __devinit snd_probe(struct usb_interface *intf, 
+static int __devinit snd_probe(struct usb_interface *intf,
                     const struct usb_device_id *id)
 {
        int ret;
        struct snd_card *card;
        struct usb_device *device = interface_to_usbdev(intf);
-       
+
        ret = create_card(device, &card);
-       
+
        if (ret < 0)
                return ret;
-                       
+
        usb_set_intfdata(intf, card);
        ret = init_card(caiaqdev(card));
        if (ret < 0) {
@@ -468,7 +468,7 @@ static int __devinit snd_probe(struct usb_interface *intf,
                snd_card_free(card);
                return ret;
        }
-       
+
        return 0;
 }
 
@@ -489,10 +489,10 @@ static void snd_disconnect(struct usb_interface *intf)
        snd_usb_caiaq_input_free(dev);
 #endif
        snd_usb_caiaq_audio_free(dev);
-       
+
        usb_kill_urb(&dev->ep1_in_urb);
        usb_kill_urb(&dev->midi_out_urb);
-       
+
        snd_card_free(card);
        usb_reset_device(interface_to_usbdev(intf));
 }
index 8fa8cd8..538e8c0 100644 (file)
@@ -40,7 +40,7 @@ static void snd_usb_caiaq_midi_input_trigger(struct snd_rawmidi_substream *subst
 
        if (!dev)
                return;
-       
+
        dev->midi_receive_substream = up ? substream : NULL;
 }
 
@@ -64,18 +64,18 @@ static void snd_usb_caiaq_midi_send(struct snd_usb_caiaqdev *dev,
                                    struct snd_rawmidi_substream *substream)
 {
        int len, ret;
-       
+
        dev->midi_out_buf[0] = EP1_CMD_MIDI_WRITE;
        dev->midi_out_buf[1] = 0; /* port */
        len = snd_rawmidi_transmit(substream, dev->midi_out_buf + 3,
                                   EP1_BUFSIZE - 3);
-       
+
        if (len <= 0)
                return;
-       
+
        dev->midi_out_buf[2] = len;
        dev->midi_out_urb.transfer_buffer_length = len+3;
-       
+
        ret = usb_submit_urb(&dev->midi_out_urb, GFP_ATOMIC);
        if (ret < 0)
                log("snd_usb_caiaq_midi_send(%p): usb_submit_urb() failed,"
@@ -88,7 +88,7 @@ static void snd_usb_caiaq_midi_send(struct snd_usb_caiaqdev *dev,
 static void snd_usb_caiaq_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
 {
        struct snd_usb_caiaqdev *dev = substream->rmidi->private_data;
-       
+
        if (up) {
                dev->midi_out_substream = substream;
                if (!dev->midi_out_active)
@@ -113,12 +113,12 @@ static struct snd_rawmidi_ops snd_usb_caiaq_midi_input =
        .trigger =      snd_usb_caiaq_midi_input_trigger,
 };
 
-void snd_usb_caiaq_midi_handle_input(struct snd_usb_caiaqdev *dev, 
+void snd_usb_caiaq_midi_handle_input(struct snd_usb_caiaqdev *dev,
                                     int port, const char *buf, int len)
 {
        if (!dev->midi_receive_substream)
                return;
-       
+
        snd_rawmidi_receive(dev->midi_receive_substream, buf, len);
 }
 
@@ -142,16 +142,16 @@ int snd_usb_caiaq_midi_init(struct snd_usb_caiaqdev *device)
 
        if (device->spec.num_midi_out > 0) {
                rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT;
-               snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, 
+               snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
                                    &snd_usb_caiaq_midi_output);
        }
 
        if (device->spec.num_midi_in > 0) {
                rmidi->info_flags |= SNDRV_RAWMIDI_INFO_INPUT;
-               snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, 
+               snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
                                    &snd_usb_caiaq_midi_input);
        }
-       
+
        device->rmidi = rmidi;
 
        return 0;
@@ -160,7 +160,7 @@ int snd_usb_caiaq_midi_init(struct snd_usb_caiaqdev *device)
 void snd_usb_caiaq_midi_output_done(struct urb* urb)
 {
        struct snd_usb_caiaqdev *dev = urb->context;
-       
+
        dev->midi_out_active = 0;
        if (urb->status != 0)
                return;