ALSA: snd-usb-caiaq: rename 'dev' to 'cdev'

This is needed in order to make the device namespace cleaner, and will
help when moving this driver over to dev_*() logging.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 105 insertions, 105 deletions

diff --git a/sound/usb/caiaq/device.c b/sound/usb/caiaq/device.c
index e4d6dbb0342d..45c3853b2a65 100644
--- a/sound/usb/caiaq/device.c
+++ b/sound/usb/caiaq/device.c
@@ -158,67 +158,67 @@ static struct usb_device_id snd_usb_id_table[] = {
 static void usb_ep1_command_reply_dispatch (struct urb* urb)
 {
         int ret;
-        struct snd_usb_caiaqdev *dev = urb->context;
+        struct snd_usb_caiaqdev *cdev = urb->context;
         unsigned char *buf = urb->transfer_buffer;
 
-        if (urb->status || !dev) {
+        if (urb->status || !cdev) {
                 log("received EP1 urb->status = %i\n", urb->status);
                 return;
         }
 
         switch(buf[0]) {
         case EP1_CMD_GET_DEVICE_INFO:
-                memcpy(&dev->spec, buf+1, sizeof(struct caiaq_device_spec));
-                dev->spec.fw_version = le16_to_cpu(dev->spec.fw_version);
+                memcpy(&cdev->spec, buf+1, sizeof(struct caiaq_device_spec));
+                cdev->spec.fw_version = le16_to_cpu(cdev->spec.fw_version);
                 debug("device spec (firmware %d): audio: %d in, %d out, "
                         "MIDI: %d in, %d out, data alignment %d\n",
-                        dev->spec.fw_version,
-                        dev->spec.num_analog_audio_in,
-                        dev->spec.num_analog_audio_out,
-                        dev->spec.num_midi_in,
-                        dev->spec.num_midi_out,
-                        dev->spec.data_alignment);
-
-                dev->spec_received++;
-                wake_up(&dev->ep1_wait_queue);
+                        cdev->spec.fw_version,
+                        cdev->spec.num_analog_audio_in,
+                        cdev->spec.num_analog_audio_out,
+                        cdev->spec.num_midi_in,
+                        cdev->spec.num_midi_out,
+                        cdev->spec.data_alignment);
+
+                cdev->spec_received++;
+                wake_up(&cdev->ep1_wait_queue);
                 break;
         case EP1_CMD_AUDIO_PARAMS:
-                dev->audio_parm_answer = buf[1];
-                wake_up(&dev->ep1_wait_queue);
+                cdev->audio_parm_answer = buf[1];
+                wake_up(&cdev->ep1_wait_queue);
                 break;
         case EP1_CMD_MIDI_READ:
-                snd_usb_caiaq_midi_handle_input(dev, buf[1], buf + 3, buf[2]);
+                snd_usb_caiaq_midi_handle_input(cdev, buf[1], buf + 3, buf[2]);
                 break;
         case EP1_CMD_READ_IO:
-                if (dev->chip.usb_id ==
+                if (cdev->chip.usb_id ==
                         USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ)) {
-                        if (urb->actual_length > sizeof(dev->control_state))
-                                urb->actual_length = sizeof(dev->control_state);
-                        memcpy(dev->control_state, buf + 1, urb->actual_length);
-                        wake_up(&dev->ep1_wait_queue);
+                        if (urb->actual_length > sizeof(cdev->control_state))
+                                urb->actual_length = sizeof(cdev->control_state);
+                        memcpy(cdev->control_state, buf + 1, urb->actual_length);
+                        wake_up(&cdev->ep1_wait_queue);
                         break;
                 }
 #ifdef CONFIG_SND_USB_CAIAQ_INPUT
         case EP1_CMD_READ_ERP:
         case EP1_CMD_READ_ANALOG:
-                snd_usb_caiaq_input_dispatch(dev, buf, urb->actual_length);
+                snd_usb_caiaq_input_dispatch(cdev, buf, urb->actual_length);
 #endif
                 break;
         }
 
-        dev->ep1_in_urb.actual_length = 0;
-        ret = usb_submit_urb(&dev->ep1_in_urb, GFP_ATOMIC);
+        cdev->ep1_in_urb.actual_length = 0;
+        ret = usb_submit_urb(&cdev->ep1_in_urb, GFP_ATOMIC);
         if (ret < 0)
                 log("unable to submit urb. OOM!?\n");
 }
 
-int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *dev,
+int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *cdev,
                                unsigned char command,
                                const unsigned char *buffer,
                                int len)
 {
         int actual_len;
-        struct usb_device *usb_dev = dev->chip.dev;
+        struct usb_device *usb_dev = cdev->chip.dev;
 
         if (!usb_dev)
                 return -EIO;
@@ -227,14 +227,14 @@ int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *dev,
                 len = EP1_BUFSIZE - 1;
 
         if (buffer && len > 0)
-                memcpy(dev->ep1_out_buf+1, buffer, len);
+                memcpy(cdev->ep1_out_buf+1, buffer, len);
 
-        dev->ep1_out_buf[0] = command;
+        cdev->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);
+                           cdev->ep1_out_buf, len+1, &actual_len, 200);
 }
 
-int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *dev,
+int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *cdev,
                                     int rate, int depth, int bpp)
 {
         int ret;
@@ -262,46 +262,46 @@ int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *dev,
         debug("setting audio params: %d Hz, %d bits, %d bpp\n",
                 rate, depth, bpp);
 
-        dev->audio_parm_answer = -1;
-        ret = snd_usb_caiaq_send_command(dev, EP1_CMD_AUDIO_PARAMS,
+        cdev->audio_parm_answer = -1;
+        ret = snd_usb_caiaq_send_command(cdev, EP1_CMD_AUDIO_PARAMS,
                                          tmp, sizeof(tmp));
 
         if (ret)
                 return ret;
 
-        if (!wait_event_timeout(dev->ep1_wait_queue,
-            dev->audio_parm_answer >= 0, HZ))
+        if (!wait_event_timeout(cdev->ep1_wait_queue,
+            cdev->audio_parm_answer >= 0, HZ))
                 return -EPIPE;
 
-        if (dev->audio_parm_answer != 1)
+        if (cdev->audio_parm_answer != 1)
                 debug("unable to set the device's audio params\n");
         else
-                dev->bpp = bpp;
+                cdev->bpp = bpp;
 
-        return dev->audio_parm_answer == 1 ? 0 : -EINVAL;
+        return cdev->audio_parm_answer == 1 ? 0 : -EINVAL;
 }
 
-int snd_usb_caiaq_set_auto_msg(struct snd_usb_caiaqdev *dev,
+int snd_usb_caiaq_set_auto_msg(struct snd_usb_caiaqdev *cdev,
                                int digital, int analog, int erp)
 {
         char tmp[3] = { digital, analog, erp };
-        return snd_usb_caiaq_send_command(dev, EP1_CMD_AUTO_MSG,
+        return snd_usb_caiaq_send_command(cdev, EP1_CMD_AUTO_MSG,
                                           tmp, sizeof(tmp));
 }
 
-static void setup_card(struct snd_usb_caiaqdev *dev)
+static void setup_card(struct snd_usb_caiaqdev *cdev)
 {
         int ret;
         char val[4];
 
         /* device-specific startup specials */
-        switch (dev->chip.usb_id) {
+        switch (cdev->chip.usb_id) {
         case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
                 /* RigKontrol2 - display centered dash ('-') */
                 val[0] = 0x00;
                 val[1] = 0x00;
                 val[2] = 0x01;
-                snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO, val, 3);
+                snd_usb_caiaq_send_command(cdev, EP1_CMD_WRITE_IO, val, 3);
                 break;
         case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
                 /* RigKontrol2 - display two centered dashes ('--') */
@@ -309,67 +309,67 @@ static void setup_card(struct snd_usb_caiaqdev *dev)
                 val[1] = 0x40;
                 val[2] = 0x40;
                 val[3] = 0x00;
-                snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO, val, 4);
+                snd_usb_caiaq_send_command(cdev, EP1_CMD_WRITE_IO, val, 4);
                 break;
         case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
                 /* Audio Kontrol 1 - make USB-LED stop blinking */
                 val[0] = 0x00;
-                snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO, val, 1);
+                snd_usb_caiaq_send_command(cdev, EP1_CMD_WRITE_IO, val, 1);
                 break;
         case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ):
                 /* Audio 8 DJ - trigger read of current settings */
-                dev->control_state[0] = 0xff;
-                snd_usb_caiaq_set_auto_msg(dev, 1, 0, 0);
-                snd_usb_caiaq_send_command(dev, EP1_CMD_READ_IO, NULL, 0);
+                cdev->control_state[0] = 0xff;
+                snd_usb_caiaq_set_auto_msg(cdev, 1, 0, 0);
+                snd_usb_caiaq_send_command(cdev, EP1_CMD_READ_IO, NULL, 0);
 
-                if (!wait_event_timeout(dev->ep1_wait_queue,
-                                        dev->control_state[0] != 0xff, HZ))
+                if (!wait_event_timeout(cdev->ep1_wait_queue,
+                                        cdev->control_state[0] != 0xff, HZ))
                         return;
 
                 /* fix up some defaults */
-                if ((dev->control_state[1] != 2) ||
-                    (dev->control_state[2] != 3) ||
-                    (dev->control_state[4] != 2)) {
-                        dev->control_state[1] = 2;
-                        dev->control_state[2] = 3;
-                        dev->control_state[4] = 2;
-                        snd_usb_caiaq_send_command(dev,
-                                EP1_CMD_WRITE_IO, dev->control_state, 6);
+                if ((cdev->control_state[1] != 2) ||
+                    (cdev->control_state[2] != 3) ||
+                    (cdev->control_state[4] != 2)) {
+                        cdev->control_state[1] = 2;
+                        cdev->control_state[2] = 3;
+                        cdev->control_state[4] = 2;
+                        snd_usb_caiaq_send_command(cdev,
+                                EP1_CMD_WRITE_IO, cdev->control_state, 6);
                 }
 
                 break;
         }
 
-        if (dev->spec.num_analog_audio_out +
-            dev->spec.num_analog_audio_in +
-            dev->spec.num_digital_audio_out +
-            dev->spec.num_digital_audio_in > 0) {
-                ret = snd_usb_caiaq_audio_init(dev);
+        if (cdev->spec.num_analog_audio_out +
+            cdev->spec.num_analog_audio_in +
+            cdev->spec.num_digital_audio_out +
+            cdev->spec.num_digital_audio_in > 0) {
+                ret = snd_usb_caiaq_audio_init(cdev);
                 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);
+        if (cdev->spec.num_midi_in +
+            cdev->spec.num_midi_out > 0) {
+                ret = snd_usb_caiaq_midi_init(cdev);
                 if (ret < 0)
                         log("Unable to set up MIDI system (ret=%d)\n", ret);
         }
 
 #ifdef CONFIG_SND_USB_CAIAQ_INPUT
-        ret = snd_usb_caiaq_input_init(dev);
+        ret = snd_usb_caiaq_input_init(cdev);
         if (ret < 0)
                 log("Unable to set up input system (ret=%d)\n", ret);
 #endif
 
         /* finally, register the card and all its sub-instances */
-        ret = snd_card_register(dev->chip.card);
+        ret = snd_card_register(cdev->chip.card);
         if (ret < 0) {
                 log("snd_card_register() returned %d\n", ret);
-                snd_card_free(dev->chip.card);
+                snd_card_free(cdev->chip.card);
         }
 
-        ret = snd_usb_caiaq_control_init(dev);
+        ret = snd_usb_caiaq_control_init(cdev);
         if (ret < 0)
                 log("Unable to set up control system (ret=%d)\n", ret);
 }
@@ -381,7 +381,7 @@ static int create_card(struct usb_device *usb_dev,
         int devnum;
         int err;
         struct snd_card *card;
-        struct snd_usb_caiaqdev *dev;
+        struct snd_usb_caiaqdev *cdev;
 
         for (devnum = 0; devnum < SNDRV_CARDS; devnum++)
                 if (enable[devnum] && !snd_card_used[devnum])
@@ -395,23 +395,23 @@ static int create_card(struct usb_device *usb_dev,
         if (err < 0)
                 return err;
 
-        dev = caiaqdev(card);
-        dev->chip.dev = usb_dev;
-        dev->chip.card = card;
-        dev->chip.usb_id = USB_ID(le16_to_cpu(usb_dev->descriptor.idVendor),
+        cdev = caiaqdev(card);
+        cdev->chip.dev = usb_dev;
+        cdev->chip.card = card;
+        cdev->chip.usb_id = USB_ID(le16_to_cpu(usb_dev->descriptor.idVendor),
                                   le16_to_cpu(usb_dev->descriptor.idProduct));
-        spin_lock_init(&dev->spinlock);
+        spin_lock_init(&cdev->spinlock);
         snd_card_set_dev(card, &intf->dev);
 
         *cardp = card;
         return 0;
 }
 
-static int init_card(struct snd_usb_caiaqdev *dev)
+static int init_card(struct snd_usb_caiaqdev *cdev)
 {
         char *c, usbpath[32];
-        struct usb_device *usb_dev = dev->chip.dev;
-        struct snd_card *card = dev->chip.card;
+        struct usb_device *usb_dev = cdev->chip.dev;
+        struct snd_card *card = cdev->chip.card;
         int err, len;
 
         if (usb_set_interface(usb_dev, 0, 1) != 0) {
@@ -419,41 +419,41 @@ static int init_card(struct snd_usb_caiaqdev *dev)
                 return -EIO;
         }
 
-        usb_init_urb(&dev->ep1_in_urb);
-        usb_init_urb(&dev->midi_out_urb);
+        usb_init_urb(&cdev->ep1_in_urb);
+        usb_init_urb(&cdev->midi_out_urb);
 
-        usb_fill_bulk_urb(&dev->ep1_in_urb, usb_dev,
+        usb_fill_bulk_urb(&cdev->ep1_in_urb, usb_dev,
                           usb_rcvbulkpipe(usb_dev, 0x1),
-                          dev->ep1_in_buf, EP1_BUFSIZE,
-                          usb_ep1_command_reply_dispatch, dev);
+                          cdev->ep1_in_buf, EP1_BUFSIZE,
+                          usb_ep1_command_reply_dispatch, cdev);
 
-        usb_fill_bulk_urb(&dev->midi_out_urb, usb_dev,
+        usb_fill_bulk_urb(&cdev->midi_out_urb, usb_dev,
                           usb_sndbulkpipe(usb_dev, 0x1),
-                          dev->midi_out_buf, EP1_BUFSIZE,
-                          snd_usb_caiaq_midi_output_done, dev);
+                          cdev->midi_out_buf, EP1_BUFSIZE,
+                          snd_usb_caiaq_midi_output_done, cdev);
 
-        init_waitqueue_head(&dev->ep1_wait_queue);
-        init_waitqueue_head(&dev->prepare_wait_queue);
+        init_waitqueue_head(&cdev->ep1_wait_queue);
+        init_waitqueue_head(&cdev->prepare_wait_queue);
 
-        if (usb_submit_urb(&dev->ep1_in_urb, GFP_KERNEL) != 0)
+        if (usb_submit_urb(&cdev->ep1_in_urb, GFP_KERNEL) != 0)
                 return -EIO;
 
-        err = snd_usb_caiaq_send_command(dev, EP1_CMD_GET_DEVICE_INFO, NULL, 0);
+        err = snd_usb_caiaq_send_command(cdev, EP1_CMD_GET_DEVICE_INFO, NULL, 0);
         if (err)
                 return err;
 
-        if (!wait_event_timeout(dev->ep1_wait_queue, dev->spec_received, HZ))
+        if (!wait_event_timeout(cdev->ep1_wait_queue, cdev->spec_received, HZ))
                 return -ENODEV;
 
         usb_string(usb_dev, usb_dev->descriptor.iManufacturer,
-                   dev->vendor_name, CAIAQ_USB_STR_LEN);
+                   cdev->vendor_name, CAIAQ_USB_STR_LEN);
 
         usb_string(usb_dev, usb_dev->descriptor.iProduct,
-                   dev->product_name, CAIAQ_USB_STR_LEN);
+                   cdev->product_name, CAIAQ_USB_STR_LEN);
 
         strlcpy(card->driver, MODNAME, sizeof(card->driver));
-        strlcpy(card->shortname, dev->product_name, sizeof(card->shortname));
-        strlcpy(card->mixername, dev->product_name, sizeof(card->mixername));
+        strlcpy(card->shortname, cdev->product_name, sizeof(card->shortname));
+        strlcpy(card->mixername, cdev->product_name, sizeof(card->mixername));
 
         /* if the id was not passed as module option, fill it with a shortened
          * version of the product string which does not contain any
@@ -475,9 +475,9 @@ static int init_card(struct snd_usb_caiaqdev *dev)
         usb_make_path(usb_dev, usbpath, sizeof(usbpath));
         snprintf(card->longname, sizeof(card->longname),
                        "%s %s (%s)",
-                       dev->vendor_name, dev->product_name, usbpath);
+                       cdev->vendor_name, cdev->product_name, usbpath);
 
-        setup_card(dev);
+        setup_card(cdev);
         return 0;
 }
 
@@ -486,9 +486,9 @@ static int snd_probe(struct usb_interface *intf,
 {
         int ret;
         struct snd_card *card = NULL;
-        struct usb_device *device = interface_to_usbdev(intf);
+        struct usb_device *usb_dev = interface_to_usbdev(intf);
 
-        ret = create_card(device, intf, &card);
+        ret = create_card(usb_dev, intf, &card);
 
         if (ret < 0)
                 return ret;
@@ -506,7 +506,7 @@ static int snd_probe(struct usb_interface *intf,
 
 static void snd_disconnect(struct usb_interface *intf)
 {
-        struct snd_usb_caiaqdev *dev;
+        struct snd_usb_caiaqdev *cdev;
         struct snd_card *card = usb_get_intfdata(intf);
 
         debug("%s(%p)\n", __func__, intf);
@@ -514,16 +514,16 @@ static void snd_disconnect(struct usb_interface *intf)
         if (!card)
                 return;
 
-        dev = caiaqdev(card);
+        cdev = caiaqdev(card);
         snd_card_disconnect(card);
 
 #ifdef CONFIG_SND_USB_CAIAQ_INPUT
-        snd_usb_caiaq_input_free(dev);
+        snd_usb_caiaq_input_free(cdev);
 #endif
-        snd_usb_caiaq_audio_free(dev);
+        snd_usb_caiaq_audio_free(cdev);
 
-        usb_kill_urb(&dev->ep1_in_urb);
-        usb_kill_urb(&dev->midi_out_urb);
+        usb_kill_urb(&cdev->ep1_in_urb);
+        usb_kill_urb(&cdev->midi_out_urb);
 
         snd_card_free(card);
         usb_reset_device(interface_to_usbdev(intf));