ALSA: snd-usb-caiaq: switch to dev_*() logging

Get rid of the proprietary functions log() and debug() and use the
generic dev_*() approach. A macro is needed to cast a cdev to a struct
device *.

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

6 files changed, 75 insertions, 56 deletions

diff --git a/sound/usb/caiaq/audio.c b/sound/usb/caiaq/audio.c
index 75d8ba9143f6..67330af21b0e 100644
--- a/sound/usb/caiaq/audio.c
+++ b/sound/usb/caiaq/audio.c
@@ -16,6 +16,7 @@
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */
 
+#include <linux/device.h>
 #include <linux/spinlock.h>
 #include <linux/slab.h>
 #include <linux/init.h>
@@ -101,8 +102,9 @@ all_substreams_zero(struct snd_pcm_substream **subs)
 static int stream_start(struct snd_usb_caiaqdev *cdev)
 {
         int i, ret;
+        struct device *dev = caiaqdev_to_dev(cdev);
 
-        debug("%s(%p)\n", __func__, cdev);
+        dev_dbg(dev, "%s(%p)\n", __func__, cdev);
 
         if (cdev->streaming)
                 return -EINVAL;
@@ -118,7 +120,8 @@ static int stream_start(struct snd_usb_caiaqdev *cdev)
         for (i = 0; i < N_URBS; i++) {
                 ret = usb_submit_urb(cdev->data_urbs_in[i], GFP_ATOMIC);
                 if (ret) {
-                        log("unable to trigger read #%d! (ret %d)\n", i, ret);
+                        dev_err(dev, "unable to trigger read #%d! (ret %d)\n",
+                                i, ret);
                         cdev->streaming = 0;
                         return -EPIPE;
                 }
@@ -130,8 +133,9 @@ static int stream_start(struct snd_usb_caiaqdev *cdev)
 static void stream_stop(struct snd_usb_caiaqdev *cdev)
 {
         int i;
+        struct device *dev = caiaqdev_to_dev(cdev);
 
-        debug("%s(%p)\n", __func__, cdev);
+        dev_dbg(dev, "%s(%p)\n", __func__, cdev);
         if (!cdev->streaming)
                 return;
 
@@ -150,17 +154,21 @@ static void stream_stop(struct snd_usb_caiaqdev *cdev)
 static int snd_usb_caiaq_substream_open(struct snd_pcm_substream *substream)
 {
         struct snd_usb_caiaqdev *cdev = snd_pcm_substream_chip(substream);
-        debug("%s(%p)\n", __func__, substream);
+        struct device *dev = caiaqdev_to_dev(cdev);
+
+        dev_dbg(dev, "%s(%p)\n", __func__, substream);
         substream->runtime->hw = cdev->pcm_info;
         snd_pcm_limit_hw_rates(substream->runtime);
+
         return 0;
 }
 
 static int snd_usb_caiaq_substream_close(struct snd_pcm_substream *substream)
 {
         struct snd_usb_caiaqdev *cdev = snd_pcm_substream_chip(substream);
+        struct device *dev = caiaqdev_to_dev(cdev);
 
-        debug("%s(%p)\n", __func__, substream);
+        dev_dbg(dev, "%s(%p)\n", __func__, substream);
         if (all_substreams_zero(cdev->sub_playback) &&
             all_substreams_zero(cdev->sub_capture)) {
                 /* when the last client has stopped streaming,
@@ -175,14 +183,12 @@ static int snd_usb_caiaq_substream_close(struct snd_pcm_substream *substream)
 static int snd_usb_caiaq_pcm_hw_params(struct snd_pcm_substream *sub,
                                        struct snd_pcm_hw_params *hw_params)
 {
-        debug("%s(%p)\n", __func__, sub);
         return snd_pcm_lib_malloc_pages(sub, params_buffer_bytes(hw_params));
 }
 
 static int snd_usb_caiaq_pcm_hw_free(struct snd_pcm_substream *sub)
 {
         struct snd_usb_caiaqdev *cdev = snd_pcm_substream_chip(sub);
-        debug("%s(%p)\n", __func__, sub);
         deactivate_substream(cdev, sub);
         return snd_pcm_lib_free_pages(sub);
 }
@@ -201,8 +207,9 @@ static int snd_usb_caiaq_pcm_prepare(struct snd_pcm_substream *substream)
         int index = substream->number;
         struct snd_usb_caiaqdev *cdev = snd_pcm_substream_chip(substream);
         struct snd_pcm_runtime *runtime = substream->runtime;
+        struct device *dev = caiaqdev_to_dev(cdev);
 
-        debug("%s(%p)\n", __func__, substream);
+        dev_dbg(dev, "%s(%p)\n", __func__, substream);
 
         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
                 int out_pos;
@@ -283,8 +290,9 @@ static int snd_usb_caiaq_pcm_prepare(struct snd_pcm_substream *substream)
 static int snd_usb_caiaq_pcm_trigger(struct snd_pcm_substream *sub, int cmd)
 {
         struct snd_usb_caiaqdev *cdev = snd_pcm_substream_chip(sub);
+        struct device *dev = caiaqdev_to_dev(cdev);
 
-        debug("%s(%p) cmd %d\n", __func__, sub, cmd);
+        dev_dbg(dev, "%s(%p) cmd %d\n", __func__, sub, cmd);
 
         switch (cmd) {
         case SNDRV_PCM_TRIGGER_START:
@@ -443,6 +451,7 @@ static void read_in_urb_mode3(struct snd_usb_caiaqdev *cdev,
                               const struct usb_iso_packet_descriptor *iso)
 {
         unsigned char *usb_buf = urb->transfer_buffer + iso->offset;
+        struct device *dev = caiaqdev_to_dev(cdev);
         int stream, i;
 
         /* paranoia check */
@@ -479,8 +488,8 @@ static void read_in_urb_mode3(struct snd_usb_caiaqdev *cdev,
                                 if (usb_buf[i] != ((stream << 1) | c) &&
                                     !cdev->first_packet) {
                                         if (!cdev->input_panic)
-                                                printk(" EXPECTED: %02x got %02x, c %d, stream %d, i %d\n",
-                                                        ((stream << 1) | c), usb_buf[i], c, stream, i);
+                                                dev_warn(dev, " EXPECTED: %02x got %02x, c %d, stream %d, i %d\n",
+                                                         ((stream << 1) | c), usb_buf[i], c, stream, i);
                                         cdev->input_panic = 1;
                                 }
 
@@ -497,6 +506,8 @@ static void read_in_urb(struct snd_usb_caiaqdev *cdev,
                         const struct urb *urb,
                         const struct usb_iso_packet_descriptor *iso)
 {
+        struct device *dev = caiaqdev_to_dev(cdev);
+
         if (!cdev->streaming)
                 return;
 
@@ -516,7 +527,7 @@ static void read_in_urb(struct snd_usb_caiaqdev *cdev,
         }
 
         if ((cdev->input_panic || cdev->output_panic) && !cdev->warned) {
-                debug("streaming error detected %s %s\n",
+                dev_warn(dev, "streaming error detected %s %s\n",
                                 cdev->input_panic ? "(input)" : "",
                                 cdev->output_panic ? "(output)" : "");
                 cdev->warned = 1;
@@ -619,6 +630,7 @@ static void read_completed(struct urb *urb)
 {
         struct snd_usb_caiaq_cb_info *info = urb->context;
         struct snd_usb_caiaqdev *cdev;
+        struct device *dev;
         struct urb *out = NULL;
         int i, frame, len, send_it = 0, outframe = 0;
         size_t offset = 0;
@@ -627,6 +639,7 @@ static void read_completed(struct urb *urb)
                 return;
 
         cdev = info->cdev;
+        dev = caiaqdev_to_dev(cdev);
 
         if (!cdev->streaming)
                 return;
@@ -639,7 +652,7 @@ static void read_completed(struct urb *urb)
                 }
 
         if (!out) {
-                log("Unable to find an output urb to use\n");
+                dev_err(dev, "Unable to find an output urb to use\n");
                 goto requeue;
         }
 
@@ -708,6 +721,7 @@ static struct urb **alloc_urbs(struct snd_usb_caiaqdev *cdev, int dir, int *ret)
         int i, frame;
         struct urb **urbs;
         struct usb_device *usb_dev = cdev->chip.dev;
+        struct device *dev = caiaqdev_to_dev(cdev);
         unsigned int pipe;
 
         pipe = (dir == SNDRV_PCM_STREAM_PLAYBACK) ?
@@ -716,7 +730,7 @@ static struct urb **alloc_urbs(struct snd_usb_caiaqdev *cdev, int dir, int *ret)
 
         urbs = kmalloc(N_URBS * sizeof(*urbs), GFP_KERNEL);
         if (!urbs) {
-                log("unable to kmalloc() urbs, OOM!?\n");
+                dev_err(dev, "unable to kmalloc() urbs, OOM!?\n");
                 *ret = -ENOMEM;
                 return NULL;
         }
@@ -724,7 +738,7 @@ static struct urb **alloc_urbs(struct snd_usb_caiaqdev *cdev, int dir, int *ret)
         for (i = 0; i < N_URBS; i++) {
                 urbs[i] = usb_alloc_urb(FRAMES_PER_URB, GFP_KERNEL);
                 if (!urbs[i]) {
-                        log("unable to usb_alloc_urb(), OOM!?\n");
+                        dev_err(dev, "unable to usb_alloc_urb(), OOM!?\n");
                         *ret = -ENOMEM;
                         return urbs;
                 }
@@ -732,7 +746,7 @@ static struct urb **alloc_urbs(struct snd_usb_caiaqdev *cdev, int dir, int *ret)
                 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");
+                        dev_err(dev, "unable to kmalloc() transfer buffer, OOM!?\n");
                         *ret = -ENOMEM;
                         return urbs;
                 }
@@ -783,6 +797,7 @@ static void free_urbs(struct urb **urbs)
 int snd_usb_caiaq_audio_init(struct snd_usb_caiaqdev *cdev)
 {
         int i, ret;
+        struct device *dev = caiaqdev_to_dev(cdev);
 
         cdev->n_audio_in  = max(cdev->spec.num_analog_audio_in,
                                cdev->spec.num_digital_audio_in) /
@@ -792,12 +807,12 @@ int snd_usb_caiaq_audio_init(struct snd_usb_caiaqdev *cdev)
                                 CHANNELS_PER_STREAM;
         cdev->n_streams = max(cdev->n_audio_in, cdev->n_audio_out);
 
-        debug("cdev->n_audio_in = %d\n", cdev->n_audio_in);
-        debug("cdev->n_audio_out = %d\n", cdev->n_audio_out);
-        debug("cdev->n_streams = %d\n", cdev->n_streams);
+        dev_dbg(dev, "cdev->n_audio_in = %d\n", cdev->n_audio_in);
+        dev_dbg(dev, "cdev->n_audio_out = %d\n", cdev->n_audio_out);
+        dev_dbg(dev, "cdev->n_streams = %d\n", cdev->n_streams);
 
         if (cdev->n_streams > MAX_STREAMS) {
-                log("unable to initialize device, too many streams.\n");
+                dev_err(dev, "unable to initialize device, too many streams.\n");
                 return -EINVAL;
         }
 
@@ -805,7 +820,7 @@ int snd_usb_caiaq_audio_init(struct snd_usb_caiaqdev *cdev)
                         cdev->n_audio_out, cdev->n_audio_in, &cdev->pcm);
 
         if (ret < 0) {
-                log("snd_pcm_new() returned %d\n", ret);
+                dev_err(dev, "snd_pcm_new() returned %d\n", ret);
                 return ret;
         }
 
@@ -880,7 +895,9 @@ int snd_usb_caiaq_audio_init(struct snd_usb_caiaqdev *cdev)
 
 void snd_usb_caiaq_audio_free(struct snd_usb_caiaqdev *cdev)
 {
-        debug("%s(%p)\n", __func__, cdev);
+        struct device *dev = caiaqdev_to_dev(cdev);
+
+        dev_dbg(dev, "%s(%p)\n", __func__, cdev);
         stream_stop(cdev);
         free_urbs(cdev->data_urbs_in);
         free_urbs(cdev->data_urbs_out);
diff --git a/sound/usb/caiaq/control.c b/sound/usb/caiaq/control.c
index 2c5195948b2c..ae6b50f9ed56 100644
--- a/sound/usb/caiaq/control.c
+++ b/sound/usb/caiaq/control.c
@@ -17,6 +17,7 @@
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  */
 
+#include <linux/device.h>
 #include <linux/init.h>
 #include <linux/usb.h>
 #include <sound/control.h>
diff --git a/sound/usb/caiaq/device.c b/sound/usb/caiaq/device.c
index 45c3853b2a65..d898f737c07e 100644
--- a/sound/usb/caiaq/device.c
+++ b/sound/usb/caiaq/device.c
@@ -20,6 +20,7 @@
 */
 
 #include <linux/moduleparam.h>
+#include <linux/device.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
 #include <linux/init.h>
@@ -159,10 +160,11 @@ static void usb_ep1_command_reply_dispatch (struct urb* urb)
 {
         int ret;
         struct snd_usb_caiaqdev *cdev = urb->context;
+        struct device *dev = caiaqdev_to_dev(cdev);
         unsigned char *buf = urb->transfer_buffer;
 
         if (urb->status || !cdev) {
-                log("received EP1 urb->status = %i\n", urb->status);
+                dev_warn(dev, "received EP1 urb->status = %i\n", urb->status);
                 return;
         }
 
@@ -170,7 +172,7 @@ static void usb_ep1_command_reply_dispatch (struct urb* urb)
         case EP1_CMD_GET_DEVICE_INFO:
                 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, "
+                dev_dbg(dev, "device spec (firmware %d): audio: %d in, %d out, "
                         "MIDI: %d in, %d out, data alignment %d\n",
                         cdev->spec.fw_version,
                         cdev->spec.num_analog_audio_in,
@@ -209,7 +211,7 @@ static void usb_ep1_command_reply_dispatch (struct urb* urb)
         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");
+                dev_err(dev, "unable to submit urb. OOM!?\n");
 }
 
 int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *cdev,
@@ -239,6 +241,7 @@ int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *cdev,
 {
         int ret;
         char tmp[5];
+        struct device *dev = caiaqdev_to_dev(cdev);
 
         switch (rate) {
         case 44100:     tmp[0] = SAMPLERATE_44100;   break;
@@ -259,7 +262,7 @@ int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *cdev,
         tmp[3] = bpp >> 8;
         tmp[4] = 1; /* packets per microframe */
 
-        debug("setting audio params: %d Hz, %d bits, %d bpp\n",
+        dev_dbg(dev, "setting audio params: %d Hz, %d bits, %d bpp\n",
                 rate, depth, bpp);
 
         cdev->audio_parm_answer = -1;
@@ -274,7 +277,7 @@ int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *cdev,
                 return -EPIPE;
 
         if (cdev->audio_parm_answer != 1)
-                debug("unable to set the device's audio params\n");
+                dev_dbg(dev, "unable to set the device's audio params\n");
         else
                 cdev->bpp = bpp;
 
@@ -293,6 +296,7 @@ static void setup_card(struct snd_usb_caiaqdev *cdev)
 {
         int ret;
         char val[4];
+        struct device *dev = caiaqdev_to_dev(cdev);
 
         /* device-specific startup specials */
         switch (cdev->chip.usb_id) {
@@ -346,32 +350,32 @@ static void setup_card(struct snd_usb_caiaqdev *cdev)
             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);
+                        dev_err(dev, "Unable to set up audio system (ret=%d)\n", ret);
         }
 
         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);
+                        dev_err(dev, "Unable to set up MIDI system (ret=%d)\n", ret);
         }
 
 #ifdef CONFIG_SND_USB_CAIAQ_INPUT
         ret = snd_usb_caiaq_input_init(cdev);
         if (ret < 0)
-                log("Unable to set up input system (ret=%d)\n", ret);
+                dev_err(dev, "Unable to set up input system (ret=%d)\n", ret);
 #endif
 
         /* finally, register the card and all its sub-instances */
         ret = snd_card_register(cdev->chip.card);
         if (ret < 0) {
-                log("snd_card_register() returned %d\n", ret);
+                dev_err(dev, "snd_card_register() returned %d\n", ret);
                 snd_card_free(cdev->chip.card);
         }
 
         ret = snd_usb_caiaq_control_init(cdev);
         if (ret < 0)
-                log("Unable to set up control system (ret=%d)\n", ret);
+                dev_err(dev, "Unable to set up control system (ret=%d)\n", ret);
 }
 
 static int create_card(struct usb_device *usb_dev,
@@ -412,10 +416,11 @@ static int init_card(struct snd_usb_caiaqdev *cdev)
         char *c, usbpath[32];
         struct usb_device *usb_dev = cdev->chip.dev;
         struct snd_card *card = cdev->chip.card;
+        struct device *dev = caiaqdev_to_dev(cdev);
         int err, len;
 
         if (usb_set_interface(usb_dev, 0, 1) != 0) {
-                log("can't set alt interface.\n");
+                dev_err(dev, "can't set alt interface.\n");
                 return -EIO;
         }
 
@@ -473,8 +478,7 @@ static int init_card(struct snd_usb_caiaqdev *cdev)
         }
 
         usb_make_path(usb_dev, usbpath, sizeof(usbpath));
-        snprintf(card->longname, sizeof(card->longname),
-                       "%s %s (%s)",
+        snprintf(card->longname, sizeof(card->longname), "%s %s (%s)",
                        cdev->vendor_name, cdev->product_name, usbpath);
 
         setup_card(cdev);
@@ -496,7 +500,7 @@ static int snd_probe(struct usb_interface *intf,
         usb_set_intfdata(intf, card);
         ret = init_card(caiaqdev(card));
         if (ret < 0) {
-                log("unable to init card! (ret=%d)\n", ret);
+                dev_err(&usb_dev->dev, "unable to init card! (ret=%d)\n", ret);
                 snd_card_free(card);
                 return ret;
         }
@@ -506,15 +510,16 @@ static int snd_probe(struct usb_interface *intf,
 
 static void snd_disconnect(struct usb_interface *intf)
 {
-        struct snd_usb_caiaqdev *cdev;
         struct snd_card *card = usb_get_intfdata(intf);
-
-        debug("%s(%p)\n", __func__, intf);
+        struct snd_usb_caiaqdev *cdev = caiaqdev(card);
+        struct device *dev;
 
         if (!card)
                 return;
 
-        cdev = caiaqdev(card);
+        dev = caiaqdev_to_dev(cdev);
+        dev_dbg(dev, "%s(%p)\n", __func__, intf);
+
         snd_card_disconnect(card);
 
 #ifdef CONFIG_SND_USB_CAIAQ_INPUT
@@ -539,4 +544,3 @@ static struct usb_driver snd_usb_driver = {
 };
 
 module_usb_driver(snd_usb_driver);
-
diff --git a/sound/usb/caiaq/device.h b/sound/usb/caiaq/device.h
index 7176a0ec950b..ad102fac6942 100644
--- a/sound/usb/caiaq/device.h
+++ b/sound/usb/caiaq/device.h
@@ -25,16 +25,7 @@
 #define CAIAQ_USB_STR_LEN 0xff
 #define MAX_STREAMS 32
 
-//#define       SND_USB_CAIAQ_DEBUG
-
 #define MODNAME "snd-usb-caiaq"
-#define log(x...) snd_printk(KERN_WARNING MODNAME" log: " x)
-
-#ifdef SND_USB_CAIAQ_DEBUG
-#define debug(x...) snd_printk(KERN_WARNING MODNAME " debug: " x)
-#else
-#define debug(x...) do { } while(0)
-#endif
 
 #define EP1_CMD_GET_DEVICE_INFO 0x1
 #define EP1_CMD_READ_ERP        0x2
@@ -129,6 +120,7 @@ struct snd_usb_caiaq_cb_info {
 };
 
 #define caiaqdev(c) ((struct snd_usb_caiaqdev*)(c)->private_data)
+#define caiaqdev_to_dev(d)      (d->chip.card->dev)
 
 int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *cdev, int rate, int depth, int bbp);
 int snd_usb_caiaq_set_auto_msg (struct snd_usb_caiaqdev *cdev, int digital, int analog, int erp);
diff --git a/sound/usb/caiaq/input.c b/sound/usb/caiaq/input.c
index a32ad7cd76f9..fe8f4b4fd369 100644
--- a/sound/usb/caiaq/input.c
+++ b/sound/usb/caiaq/input.c
@@ -16,6 +16,7 @@
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */
 
+#include <linux/device.h>
 #include <linux/gfp.h>
 #include <linux/init.h>
 #include <linux/usb.h>
@@ -340,6 +341,8 @@ static void snd_usb_caiaq_tks4_dispatch(struct snd_usb_caiaqdev *cdev,
                                         const unsigned char *buf,
                                         unsigned int len)
 {
+        struct device *dev = caiaqdev_to_dev(cdev);
+
         while (len) {
                 unsigned int i, block_id = (buf[0] << 8) | buf[1];
 
@@ -466,7 +469,7 @@ static void snd_usb_caiaq_tks4_dispatch(struct snd_usb_caiaqdev *cdev,
                         break;
 
                 default:
-                        debug("%s(): bogus block (id %d)\n",
+                        dev_dbg(dev, "%s(): bogus block (id %d)\n",
                                 __func__, block_id);
                         return;
                 }
@@ -500,6 +503,7 @@ static void snd_usb_caiaq_maschine_dispatch(struct snd_usb_caiaqdev *cdev,
 static void snd_usb_caiaq_ep4_reply_dispatch(struct urb *urb)
 {
         struct snd_usb_caiaqdev *cdev = urb->context;
+        struct device *dev = caiaqdev_to_dev(cdev);
         unsigned char *buf = urb->transfer_buffer;
         int ret;
 
@@ -535,7 +539,7 @@ requeue:
         cdev->ep4_in_urb->actual_length = 0;
         ret = usb_submit_urb(cdev->ep4_in_urb, GFP_ATOMIC);
         if (ret < 0)
-                log("unable to submit urb. OOM!?\n");
+                dev_err(dev, "unable to submit urb. OOM!?\n");
 }
 
 static int snd_usb_caiaq_input_open(struct input_dev *idev)
diff --git a/sound/usb/caiaq/midi.c b/sound/usb/caiaq/midi.c
index 63c5a2caa0ad..2d7588461b33 100644
--- a/sound/usb/caiaq/midi.c
+++ b/sound/usb/caiaq/midi.c
@@ -16,6 +16,7 @@
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */
 
+#include <linux/device.h>
 #include <linux/usb.h>
 #include <linux/gfp.h>
 #include <sound/rawmidi.h>
@@ -65,6 +66,7 @@ static void snd_usb_caiaq_midi_send(struct snd_usb_caiaqdev *cdev,
                                     struct snd_rawmidi_substream *substream)
 {
         int len, ret;
+        struct device *dev = caiaqdev_to_dev(cdev);
 
         cdev->midi_out_buf[0] = EP1_CMD_MIDI_WRITE;
         cdev->midi_out_buf[1] = 0; /* port */
@@ -79,9 +81,9 @@ static void snd_usb_caiaq_midi_send(struct snd_usb_caiaqdev *cdev,
 
         ret = usb_submit_urb(&cdev->midi_out_urb, GFP_ATOMIC);
         if (ret < 0)
-                log("snd_usb_caiaq_midi_send(%p): usb_submit_urb() failed,"
-                    "ret=%d, len=%d\n",
-                    substream, ret, len);
+                dev_err(dev,
+                        "snd_usb_caiaq_midi_send(%p): usb_submit_urb() failed,"
+                        "ret=%d, len=%d\n", substream, ret, len);
         else
                 cdev->midi_out_active = 1;
 }
@@ -171,4 +173,3 @@ void snd_usb_caiaq_midi_output_done(struct urb* urb)
 
         snd_usb_caiaq_midi_send(cdev, cdev->midi_out_substream);
 }
-