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, 160 insertions, 160 deletions

diff --git a/sound/usb/caiaq/input.c b/sound/usb/caiaq/input.c
index 26a121b42c3c..a32ad7cd76f9 100644
--- a/sound/usb/caiaq/input.c
+++ b/sound/usb/caiaq/input.c
@@ -199,55 +199,55 @@ static unsigned int decode_erp(unsigned char a, unsigned char b)
 #undef HIGH_PEAK
 #undef LOW_PEAK
 
-static inline void snd_caiaq_input_report_abs(struct snd_usb_caiaqdev *dev,
+static inline void snd_caiaq_input_report_abs(struct snd_usb_caiaqdev *cdev,
 					      int axis, const unsigned char *buf,
 					      int offset)
 {
-	input_report_abs(dev->input_dev, axis,
+	input_report_abs(cdev->input_dev, axis,
 			 (buf[offset * 2] << 8) | buf[offset * 2 + 1]);
 }
 
-static void snd_caiaq_input_read_analog(struct snd_usb_caiaqdev *dev,
+static void snd_caiaq_input_read_analog(struct snd_usb_caiaqdev *cdev,
 					const unsigned char *buf,
 					unsigned int len)
 {
-	struct input_dev *input_dev = dev->input_dev;
+	struct input_dev *input_dev = cdev->input_dev;
 
-	switch (dev->chip.usb_id) {
+	switch (cdev->chip.usb_id) {
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
-		snd_caiaq_input_report_abs(dev, ABS_X, buf, 2);
-		snd_caiaq_input_report_abs(dev, ABS_Y, buf, 0);
-		snd_caiaq_input_report_abs(dev, ABS_Z, buf, 1);
+		snd_caiaq_input_report_abs(cdev, ABS_X, buf, 2);
+		snd_caiaq_input_report_abs(cdev, ABS_Y, buf, 0);
+		snd_caiaq_input_report_abs(cdev, ABS_Z, buf, 1);
 		break;
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
-		snd_caiaq_input_report_abs(dev, ABS_X, buf, 0);
-		snd_caiaq_input_report_abs(dev, ABS_Y, buf, 1);
-		snd_caiaq_input_report_abs(dev, ABS_Z, buf, 2);
+		snd_caiaq_input_report_abs(cdev, ABS_X, buf, 0);
+		snd_caiaq_input_report_abs(cdev, ABS_Y, buf, 1);
+		snd_caiaq_input_report_abs(cdev, ABS_Z, buf, 2);
 		break;
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
-		snd_caiaq_input_report_abs(dev, ABS_HAT0X, buf, 4);
-		snd_caiaq_input_report_abs(dev, ABS_HAT0Y, buf, 2);
-		snd_caiaq_input_report_abs(dev, ABS_HAT1X, buf, 6);
-		snd_caiaq_input_report_abs(dev, ABS_HAT1Y, buf, 1);
-		snd_caiaq_input_report_abs(dev, ABS_HAT2X, buf, 7);
-		snd_caiaq_input_report_abs(dev, ABS_HAT2Y, buf, 0);
-		snd_caiaq_input_report_abs(dev, ABS_HAT3X, buf, 5);
-		snd_caiaq_input_report_abs(dev, ABS_HAT3Y, buf, 3);
+		snd_caiaq_input_report_abs(cdev, ABS_HAT0X, buf, 4);
+		snd_caiaq_input_report_abs(cdev, ABS_HAT0Y, buf, 2);
+		snd_caiaq_input_report_abs(cdev, ABS_HAT1X, buf, 6);
+		snd_caiaq_input_report_abs(cdev, ABS_HAT1Y, buf, 1);
+		snd_caiaq_input_report_abs(cdev, ABS_HAT2X, buf, 7);
+		snd_caiaq_input_report_abs(cdev, ABS_HAT2Y, buf, 0);
+		snd_caiaq_input_report_abs(cdev, ABS_HAT3X, buf, 5);
+		snd_caiaq_input_report_abs(cdev, ABS_HAT3Y, buf, 3);
 		break;
 	}
 
 	input_sync(input_dev);
 }
 
-static void snd_caiaq_input_read_erp(struct snd_usb_caiaqdev *dev,
+static void snd_caiaq_input_read_erp(struct snd_usb_caiaqdev *cdev,
 				     const char *buf, unsigned int len)
 {
-	struct input_dev *input_dev = dev->input_dev;
+	struct input_dev *input_dev = cdev->input_dev;
 	int i;
 
-	switch (dev->chip.usb_id) {
+	switch (cdev->chip.usb_id) {
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
 		i = decode_erp(buf[0], buf[1]);
 		input_report_abs(input_dev, ABS_X, i);
@@ -299,10 +299,10 @@ static void snd_caiaq_input_read_erp(struct snd_usb_caiaqdev *dev,
 	}
 }
 
-static void snd_caiaq_input_read_io(struct snd_usb_caiaqdev *dev,
+static void snd_caiaq_input_read_io(struct snd_usb_caiaqdev *cdev,
 				    unsigned char *buf, unsigned int len)
 {
-	struct input_dev *input_dev = dev->input_dev;
+	struct input_dev *input_dev = cdev->input_dev;
 	unsigned short *keycode = input_dev->keycode;
 	int i;
 
@@ -317,17 +317,17 @@ static void snd_caiaq_input_read_io(struct snd_usb_caiaqdev *dev,
 		input_report_key(input_dev, keycode[i],
 				 buf[i / 8] & (1 << (i % 8)));
 
-	switch (dev->chip.usb_id) {
+	switch (cdev->chip.usb_id) {
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
-		input_report_abs(dev->input_dev, ABS_MISC, 255 - buf[4]);
+		input_report_abs(cdev->input_dev, ABS_MISC, 255 - buf[4]);
 		break;
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
 		/* rotary encoders */
-		input_report_abs(dev->input_dev, ABS_X, buf[5] & 0xf);
-		input_report_abs(dev->input_dev, ABS_Y, buf[5] >> 4);
-		input_report_abs(dev->input_dev, ABS_Z, buf[6] & 0xf);
-		input_report_abs(dev->input_dev, ABS_MISC, buf[6] >> 4);
+		input_report_abs(cdev->input_dev, ABS_X, buf[5] & 0xf);
+		input_report_abs(cdev->input_dev, ABS_Y, buf[5] >> 4);
+		input_report_abs(cdev->input_dev, ABS_Z, buf[6] & 0xf);
+		input_report_abs(cdev->input_dev, ABS_MISC, buf[6] >> 4);
 		break;
 	}
 
@@ -336,7 +336,7 @@ static void snd_caiaq_input_read_io(struct snd_usb_caiaqdev *dev,
 
 #define TKS4_MSGBLOCK_SIZE	16
 
-static void snd_usb_caiaq_tks4_dispatch(struct snd_usb_caiaqdev *dev,
+static void snd_usb_caiaq_tks4_dispatch(struct snd_usb_caiaqdev *cdev,
 					const unsigned char *buf,
 					unsigned int len)
 {
@@ -347,121 +347,121 @@ static void snd_usb_caiaq_tks4_dispatch(struct snd_usb_caiaqdev *dev,
 		case 0:
 			/* buttons */
 			for (i = 0; i < KONTROLS4_BUTTONS; i++)
-				input_report_key(dev->input_dev, KONTROLS4_BUTTON(i),
+				input_report_key(cdev->input_dev, KONTROLS4_BUTTON(i),
 						 (buf[4 + (i / 8)] >> (i % 8)) & 1);
 			break;
 
 		case 1:
 			/* left wheel */
-			input_report_abs(dev->input_dev, KONTROLS4_ABS(36), buf[9] | ((buf[8] & 0x3) << 8));
+			input_report_abs(cdev->input_dev, KONTROLS4_ABS(36), buf[9] | ((buf[8] & 0x3) << 8));
 			/* right wheel */
-			input_report_abs(dev->input_dev, KONTROLS4_ABS(37), buf[13] | ((buf[12] & 0x3) << 8));
+			input_report_abs(cdev->input_dev, KONTROLS4_ABS(37), buf[13] | ((buf[12] & 0x3) << 8));
 
 			/* rotary encoders */
-			input_report_abs(dev->input_dev, KONTROLS4_ABS(38), buf[3] & 0xf);
-			input_report_abs(dev->input_dev, KONTROLS4_ABS(39), buf[4] >> 4);
-			input_report_abs(dev->input_dev, KONTROLS4_ABS(40), buf[4] & 0xf);
-			input_report_abs(dev->input_dev, KONTROLS4_ABS(41), buf[5] >> 4);
-			input_report_abs(dev->input_dev, KONTROLS4_ABS(42), buf[5] & 0xf);
-			input_report_abs(dev->input_dev, KONTROLS4_ABS(43), buf[6] >> 4);
-			input_report_abs(dev->input_dev, KONTROLS4_ABS(44), buf[6] & 0xf);
-			input_report_abs(dev->input_dev, KONTROLS4_ABS(45), buf[7] >> 4);
-			input_report_abs(dev->input_dev, KONTROLS4_ABS(46), buf[7] & 0xf);
+			input_report_abs(cdev->input_dev, KONTROLS4_ABS(38), buf[3] & 0xf);
+			input_report_abs(cdev->input_dev, KONTROLS4_ABS(39), buf[4] >> 4);
+			input_report_abs(cdev->input_dev, KONTROLS4_ABS(40), buf[4] & 0xf);
+			input_report_abs(cdev->input_dev, KONTROLS4_ABS(41), buf[5] >> 4);
+			input_report_abs(cdev->input_dev, KONTROLS4_ABS(42), buf[5] & 0xf);
+			input_report_abs(cdev->input_dev, KONTROLS4_ABS(43), buf[6] >> 4);
+			input_report_abs(cdev->input_dev, KONTROLS4_ABS(44), buf[6] & 0xf);
+			input_report_abs(cdev->input_dev, KONTROLS4_ABS(45), buf[7] >> 4);
+			input_report_abs(cdev->input_dev, KONTROLS4_ABS(46), buf[7] & 0xf);
 
 			break;
 		case 2:
 			/* Volume Fader Channel D */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(0), buf, 1);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(0), buf, 1);
 			/* Volume Fader Channel B */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(1), buf, 2);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(1), buf, 2);
 			/* Volume Fader Channel A */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(2), buf, 3);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(2), buf, 3);
 			/* Volume Fader Channel C */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(3), buf, 4);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(3), buf, 4);
 			/* Loop Volume */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(4), buf, 6);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(4), buf, 6);
 			/* Crossfader */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(7), buf, 7);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(7), buf, 7);
 
 			break;
 
 		case 3:
 			/* Tempo Fader R */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(6), buf, 3);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(6), buf, 3);
 			/* Tempo Fader L */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(5), buf, 4);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(5), buf, 4);
 			/* Mic Volume */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(8), buf, 6);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(8), buf, 6);
 			/* Cue Mix */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(9), buf, 7);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(9), buf, 7);
 
 			break;
 
 		case 4:
 			/* Wheel distance sensor L */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(10), buf, 1);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(10), buf, 1);
 			/* Wheel distance sensor R */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(11), buf, 2);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(11), buf, 2);
 			/* Channel D EQ - Filter */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(12), buf, 3);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(12), buf, 3);
 			/* Channel D EQ - Low */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(13), buf, 4);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(13), buf, 4);
 			/* Channel D EQ - Mid */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(14), buf, 5);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(14), buf, 5);
 			/* Channel D EQ - Hi */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(15), buf, 6);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(15), buf, 6);
 			/* FX2 - dry/wet */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(16), buf, 7);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(16), buf, 7);
 
 			break;
 
 		case 5:
 			/* FX2 - 1 */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(17), buf, 1);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(17), buf, 1);
 			/* FX2 - 2 */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(18), buf, 2);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(18), buf, 2);
 			/* FX2 - 3 */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(19), buf, 3);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(19), buf, 3);
 			/* Channel B EQ - Filter */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(20), buf, 4);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(20), buf, 4);
 			/* Channel B EQ - Low */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(21), buf, 5);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(21), buf, 5);
 			/* Channel B EQ - Mid */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(22), buf, 6);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(22), buf, 6);
 			/* Channel B EQ - Hi */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(23), buf, 7);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(23), buf, 7);
 
 			break;
 
 		case 6:
 			/* Channel A EQ - Filter */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(24), buf, 1);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(24), buf, 1);
 			/* Channel A EQ - Low */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(25), buf, 2);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(25), buf, 2);
 			/* Channel A EQ - Mid */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(26), buf, 3);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(26), buf, 3);
 			/* Channel A EQ - Hi */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(27), buf, 4);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(27), buf, 4);
 			/* Channel C EQ - Filter */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(28), buf, 5);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(28), buf, 5);
 			/* Channel C EQ - Low */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(29), buf, 6);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(29), buf, 6);
 			/* Channel C EQ - Mid */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(30), buf, 7);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(30), buf, 7);
 
 			break;
 
 		case 7:
 			/* Channel C EQ - Hi */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(31), buf, 1);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(31), buf, 1);
 			/* FX1 - wet/dry */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(32), buf, 2);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(32), buf, 2);
 			/* FX1 - 1 */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(33), buf, 3);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(33), buf, 3);
 			/* FX1 - 2 */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(34), buf, 4);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(34), buf, 4);
 			/* FX1 - 3 */
-			snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(35), buf, 5);
+			snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(35), buf, 5);
 
 			break;
 
@@ -475,12 +475,12 @@ static void snd_usb_caiaq_tks4_dispatch(struct snd_usb_caiaqdev *dev,
 		buf += TKS4_MSGBLOCK_SIZE;
 	}
 
-	input_sync(dev->input_dev);
+	input_sync(cdev->input_dev);
 }
 
 #define MASCHINE_MSGBLOCK_SIZE 2
 
-static void snd_usb_caiaq_maschine_dispatch(struct snd_usb_caiaqdev *dev,
+static void snd_usb_caiaq_maschine_dispatch(struct snd_usb_caiaqdev *cdev,
 					const unsigned char *buf,
 					unsigned int len)
 {
@@ -491,65 +491,65 @@ static void snd_usb_caiaq_maschine_dispatch(struct snd_usb_caiaqdev *dev,
 		pressure = be16_to_cpu(buf[i * 2] << 8 | buf[(i * 2) + 1]);
 		pad_id = pressure >> 12;
 
-		input_report_abs(dev->input_dev, MASCHINE_PAD(pad_id), pressure & 0xfff);
+		input_report_abs(cdev->input_dev, MASCHINE_PAD(pad_id), pressure & 0xfff);
 	}
 
-	input_sync(dev->input_dev);
+	input_sync(cdev->input_dev);
 }
 
 static void snd_usb_caiaq_ep4_reply_dispatch(struct urb *urb)
 {
-	struct snd_usb_caiaqdev *dev = urb->context;
+	struct snd_usb_caiaqdev *cdev = urb->context;
 	unsigned char *buf = urb->transfer_buffer;
 	int ret;
 
-	if (urb->status || !dev || urb != dev->ep4_in_urb)
+	if (urb->status || !cdev || urb != cdev->ep4_in_urb)
 		return;
 
-	switch (dev->chip.usb_id) {
+	switch (cdev->chip.usb_id) {
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
 		if (urb->actual_length < 24)
 			goto requeue;
 
 		if (buf[0] & 0x3)
-			snd_caiaq_input_read_io(dev, buf + 1, 7);
+			snd_caiaq_input_read_io(cdev, buf + 1, 7);
 
 		if (buf[0] & 0x4)
-			snd_caiaq_input_read_analog(dev, buf + 8, 16);
+			snd_caiaq_input_read_analog(cdev, buf + 8, 16);
 
 		break;
 
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
-		snd_usb_caiaq_tks4_dispatch(dev, buf, urb->actual_length);
+		snd_usb_caiaq_tks4_dispatch(cdev, buf, urb->actual_length);
 		break;
 
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
 		if (urb->actual_length < (MASCHINE_PADS * MASCHINE_MSGBLOCK_SIZE))
 			goto requeue;
 
-		snd_usb_caiaq_maschine_dispatch(dev, buf, urb->actual_length);
+		snd_usb_caiaq_maschine_dispatch(cdev, buf, urb->actual_length);
 		break;
 	}
 
 requeue:
-	dev->ep4_in_urb->actual_length = 0;
-	ret = usb_submit_urb(dev->ep4_in_urb, GFP_ATOMIC);
+	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");
 }
 
 static int snd_usb_caiaq_input_open(struct input_dev *idev)
 {
-	struct snd_usb_caiaqdev *dev = input_get_drvdata(idev);
+	struct snd_usb_caiaqdev *cdev = input_get_drvdata(idev);
 
-	if (!dev)
+	if (!cdev)
 		return -EINVAL;
 
-	switch (dev->chip.usb_id) {
+	switch (cdev->chip.usb_id) {
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
-		if (usb_submit_urb(dev->ep4_in_urb, GFP_KERNEL) != 0)
+		if (usb_submit_urb(cdev->ep4_in_urb, GFP_KERNEL) != 0)
 			return -EIO;
 		break;
 	}
@@ -559,43 +559,43 @@ static int snd_usb_caiaq_input_open(struct input_dev *idev)
 
 static void snd_usb_caiaq_input_close(struct input_dev *idev)
 {
-	struct snd_usb_caiaqdev *dev = input_get_drvdata(idev);
+	struct snd_usb_caiaqdev *cdev = input_get_drvdata(idev);
 
-	if (!dev)
+	if (!cdev)
 		return;
 
-	switch (dev->chip.usb_id) {
+	switch (cdev->chip.usb_id) {
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
-		usb_kill_urb(dev->ep4_in_urb);
+		usb_kill_urb(cdev->ep4_in_urb);
 		break;
 	}
 }
 
-void snd_usb_caiaq_input_dispatch(struct snd_usb_caiaqdev *dev,
+void snd_usb_caiaq_input_dispatch(struct snd_usb_caiaqdev *cdev,
 				  char *buf,
 				  unsigned int len)
 {
-	if (!dev->input_dev || len < 1)
+	if (!cdev->input_dev || len < 1)
 		return;
 
 	switch (buf[0]) {
 	case EP1_CMD_READ_ANALOG:
-		snd_caiaq_input_read_analog(dev, buf + 1, len - 1);
+		snd_caiaq_input_read_analog(cdev, buf + 1, len - 1);
 		break;
 	case EP1_CMD_READ_ERP:
-		snd_caiaq_input_read_erp(dev, buf + 1, len - 1);
+		snd_caiaq_input_read_erp(cdev, buf + 1, len - 1);
 		break;
 	case EP1_CMD_READ_IO:
-		snd_caiaq_input_read_io(dev, buf + 1, len - 1);
+		snd_caiaq_input_read_io(cdev, buf + 1, len - 1);
 		break;
 	}
 }
 
-int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *dev)
+int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *cdev)
 {
-	struct usb_device *usb_dev = dev->chip.dev;
+	struct usb_device *usb_dev = cdev->chip.dev;
 	struct input_dev *input;
 	int i, ret = 0;
 
@@ -603,49 +603,49 @@ int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *dev)
 	if (!input)
 		return -ENOMEM;
 
-	usb_make_path(usb_dev, dev->phys, sizeof(dev->phys));
-	strlcat(dev->phys, "/input0", sizeof(dev->phys));
+	usb_make_path(usb_dev, cdev->phys, sizeof(cdev->phys));
+	strlcat(cdev->phys, "/input0", sizeof(cdev->phys));
 
-	input->name = dev->product_name;
-	input->phys = dev->phys;
+	input->name = cdev->product_name;
+	input->phys = cdev->phys;
 	usb_to_input_id(usb_dev, &input->id);
 	input->dev.parent = &usb_dev->dev;
 
-	input_set_drvdata(input, dev);
+	input_set_drvdata(input, cdev);
 
-	switch (dev->chip.usb_id) {
+	switch (cdev->chip.usb_id) {
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
 		input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
 		input->absbit[0] = BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
 			BIT_MASK(ABS_Z);
-		BUILD_BUG_ON(sizeof(dev->keycode) < sizeof(keycode_rk2));
-		memcpy(dev->keycode, keycode_rk2, sizeof(keycode_rk2));
+		BUILD_BUG_ON(sizeof(cdev->keycode) < sizeof(keycode_rk2));
+		memcpy(cdev->keycode, keycode_rk2, sizeof(keycode_rk2));
 		input->keycodemax = ARRAY_SIZE(keycode_rk2);
 		input_set_abs_params(input, ABS_X, 0, 4096, 0, 10);
 		input_set_abs_params(input, ABS_Y, 0, 4096, 0, 10);
 		input_set_abs_params(input, ABS_Z, 0, 4096, 0, 10);
-		snd_usb_caiaq_set_auto_msg(dev, 1, 10, 0);
+		snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 0);
 		break;
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
 		input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
 		input->absbit[0] = BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
 			BIT_MASK(ABS_Z);
-		BUILD_BUG_ON(sizeof(dev->keycode) < sizeof(keycode_rk3));
-		memcpy(dev->keycode, keycode_rk3, sizeof(keycode_rk3));
+		BUILD_BUG_ON(sizeof(cdev->keycode) < sizeof(keycode_rk3));
+		memcpy(cdev->keycode, keycode_rk3, sizeof(keycode_rk3));
 		input->keycodemax = ARRAY_SIZE(keycode_rk3);
 		input_set_abs_params(input, ABS_X, 0, 1024, 0, 10);
 		input_set_abs_params(input, ABS_Y, 0, 1024, 0, 10);
 		input_set_abs_params(input, ABS_Z, 0, 1024, 0, 10);
-		snd_usb_caiaq_set_auto_msg(dev, 1, 10, 0);
+		snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 0);
 		break;
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
 		input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
 		input->absbit[0] = BIT_MASK(ABS_X);
-		BUILD_BUG_ON(sizeof(dev->keycode) < sizeof(keycode_ak1));
-		memcpy(dev->keycode, keycode_ak1, sizeof(keycode_ak1));
+		BUILD_BUG_ON(sizeof(cdev->keycode) < sizeof(keycode_ak1));
+		memcpy(cdev->keycode, keycode_ak1, sizeof(keycode_ak1));
 		input->keycodemax = ARRAY_SIZE(keycode_ak1);
 		input_set_abs_params(input, ABS_X, 0, 999, 0, 10);
-		snd_usb_caiaq_set_auto_msg(dev, 1, 0, 5);
+		snd_usb_caiaq_set_auto_msg(cdev, 1, 0, 5);
 		break;
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
@@ -657,8 +657,8 @@ int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *dev)
 				   BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
 				   BIT_MASK(ABS_Z);
 		input->absbit[BIT_WORD(ABS_MISC)] |= BIT_MASK(ABS_MISC);
-		BUILD_BUG_ON(sizeof(dev->keycode) < sizeof(keycode_kore));
-		memcpy(dev->keycode, keycode_kore, sizeof(keycode_kore));
+		BUILD_BUG_ON(sizeof(cdev->keycode) < sizeof(keycode_kore));
+		memcpy(cdev->keycode, keycode_kore, sizeof(keycode_kore));
 		input->keycodemax = ARRAY_SIZE(keycode_kore);
 		input_set_abs_params(input, ABS_HAT0X, 0, 999, 0, 10);
 		input_set_abs_params(input, ABS_HAT0Y, 0, 999, 0, 10);
@@ -672,7 +672,7 @@ int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *dev)
 		input_set_abs_params(input, ABS_Y, 0, 4096, 0, 10);
 		input_set_abs_params(input, ABS_Z, 0, 4096, 0, 10);
 		input_set_abs_params(input, ABS_MISC, 0, 255, 0, 1);
-		snd_usb_caiaq_set_auto_msg(dev, 1, 10, 5);
+		snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 5);
 		break;
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
 		input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
@@ -683,9 +683,9 @@ int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *dev)
 				   BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
 				   BIT_MASK(ABS_Z);
 		input->absbit[BIT_WORD(ABS_MISC)] |= BIT_MASK(ABS_MISC);
-		BUILD_BUG_ON(sizeof(dev->keycode) < KONTROLX1_INPUTS);
+		BUILD_BUG_ON(sizeof(cdev->keycode) < KONTROLX1_INPUTS);
 		for (i = 0; i < KONTROLX1_INPUTS; i++)
-			dev->keycode[i] = BTN_MISC + i;
+			cdev->keycode[i] = BTN_MISC + i;
 		input->keycodemax = KONTROLX1_INPUTS;
 
 		/* analog potentiometers */
@@ -704,26 +704,26 @@ int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *dev)
 		input_set_abs_params(input, ABS_Z, 0, 0xf, 0, 1);
 		input_set_abs_params(input, ABS_MISC, 0, 0xf, 0, 1);
 
-		dev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
-		if (!dev->ep4_in_urb) {
+		cdev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
+		if (!cdev->ep4_in_urb) {
 			ret = -ENOMEM;
 			goto exit_free_idev;
 		}
 
-		usb_fill_bulk_urb(dev->ep4_in_urb, usb_dev,
+		usb_fill_bulk_urb(cdev->ep4_in_urb, usb_dev,
 				  usb_rcvbulkpipe(usb_dev, 0x4),
-				  dev->ep4_in_buf, EP4_BUFSIZE,
-				  snd_usb_caiaq_ep4_reply_dispatch, dev);
+				  cdev->ep4_in_buf, EP4_BUFSIZE,
+				  snd_usb_caiaq_ep4_reply_dispatch, cdev);
 
-		snd_usb_caiaq_set_auto_msg(dev, 1, 10, 5);
+		snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 5);
 
 		break;
 
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
 		input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
-		BUILD_BUG_ON(sizeof(dev->keycode) < KONTROLS4_BUTTONS);
+		BUILD_BUG_ON(sizeof(cdev->keycode) < KONTROLS4_BUTTONS);
 		for (i = 0; i < KONTROLS4_BUTTONS; i++)
-			dev->keycode[i] = KONTROLS4_BUTTON(i);
+			cdev->keycode[i] = KONTROLS4_BUTTON(i);
 		input->keycodemax = KONTROLS4_BUTTONS;
 
 		for (i = 0; i < KONTROLS4_AXIS; i++) {
@@ -743,18 +743,18 @@ int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *dev)
 		for (i = 0; i < 9; i++)
 			input_set_abs_params(input, KONTROLS4_ABS(38+i), 0, 0xf, 0, 1);
 
-		dev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
-		if (!dev->ep4_in_urb) {
+		cdev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
+		if (!cdev->ep4_in_urb) {
 			ret = -ENOMEM;
 			goto exit_free_idev;
 		}
 
-		usb_fill_bulk_urb(dev->ep4_in_urb, usb_dev,
+		usb_fill_bulk_urb(cdev->ep4_in_urb, usb_dev,
 				  usb_rcvbulkpipe(usb_dev, 0x4),
-				  dev->ep4_in_buf, EP4_BUFSIZE,
-				  snd_usb_caiaq_ep4_reply_dispatch, dev);
+				  cdev->ep4_in_buf, EP4_BUFSIZE,
+				  snd_usb_caiaq_ep4_reply_dispatch, cdev);
 
-		snd_usb_caiaq_set_auto_msg(dev, 1, 10, 5);
+		snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 5);
 
 		break;
 
@@ -767,8 +767,8 @@ int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *dev)
 			BIT_MASK(ABS_RX) | BIT_MASK(ABS_RY) |
 			BIT_MASK(ABS_RZ);
 
-		BUILD_BUG_ON(sizeof(dev->keycode) < sizeof(keycode_maschine));
-		memcpy(dev->keycode, keycode_maschine, sizeof(keycode_maschine));
+		BUILD_BUG_ON(sizeof(cdev->keycode) < sizeof(keycode_maschine));
+		memcpy(cdev->keycode, keycode_maschine, sizeof(keycode_maschine));
 		input->keycodemax = ARRAY_SIZE(keycode_maschine);
 
 		for (i = 0; i < MASCHINE_PADS; i++) {
@@ -788,18 +788,18 @@ int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *dev)
 		input_set_abs_params(input, ABS_RY, 0, 999, 0, 10);
 		input_set_abs_params(input, ABS_RZ, 0, 999, 0, 10);
 
-		dev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
-		if (!dev->ep4_in_urb) {
+		cdev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
+		if (!cdev->ep4_in_urb) {
 			ret = -ENOMEM;
 			goto exit_free_idev;
 		}
 
-		usb_fill_bulk_urb(dev->ep4_in_urb, usb_dev,
+		usb_fill_bulk_urb(cdev->ep4_in_urb, usb_dev,
 				  usb_rcvbulkpipe(usb_dev, 0x4),
-				  dev->ep4_in_buf, EP4_BUFSIZE,
-				  snd_usb_caiaq_ep4_reply_dispatch, dev);
+				  cdev->ep4_in_buf, EP4_BUFSIZE,
+				  snd_usb_caiaq_ep4_reply_dispatch, cdev);
 
-		snd_usb_caiaq_set_auto_msg(dev, 1, 10, 5);
+		snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 5);
 		break;
 
 	default:
@@ -809,12 +809,12 @@ int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *dev)
 
 	input->open = snd_usb_caiaq_input_open;
 	input->close = snd_usb_caiaq_input_close;
-	input->keycode = dev->keycode;
+	input->keycode = cdev->keycode;
 	input->keycodesize = sizeof(unsigned short);
 	for (i = 0; i < input->keycodemax; i++)
-		__set_bit(dev->keycode[i], input->keybit);
+		__set_bit(cdev->keycode[i], input->keybit);
 
-	dev->input_dev = input;
+	cdev->input_dev = input;
 
 	ret = input_register_device(input);
 	if (ret < 0)
@@ -824,19 +824,19 @@ int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *dev)
 
 exit_free_idev:
 	input_free_device(input);
-	dev->input_dev = NULL;
+	cdev->input_dev = NULL;
 	return ret;
 }
 
-void snd_usb_caiaq_input_free(struct snd_usb_caiaqdev *dev)
+void snd_usb_caiaq_input_free(struct snd_usb_caiaqdev *cdev)
 {
-	if (!dev || !dev->input_dev)
+	if (!cdev || !cdev->input_dev)
 		return;
 
-	usb_kill_urb(dev->ep4_in_urb);
-	usb_free_urb(dev->ep4_in_urb);
-	dev->ep4_in_urb = NULL;
+	usb_kill_urb(cdev->ep4_in_urb);
+	usb_free_urb(cdev->ep4_in_urb);
+	cdev->ep4_in_urb = NULL;
 
-	input_unregister_device(dev->input_dev);
-	dev->input_dev = NULL;
+	input_unregister_device(cdev->input_dev);
+	cdev->input_dev = NULL;
 }