Staging: line6: another upstream sync

Everything should be in sync now.
Signed-off-by: Markus Grabner <grabner@icg.tugraz.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/line6/audio.c

 /*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
  *
  * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
  *
@@ -15,11 +15,9 @@
 #include "driver.h"
 #include "audio.h"
 
-
 static int line6_index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
 static char *line6_id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
 
-
 /*
 	Initialize the Line6 USB audio system.
 */
@@ -39,8 +37,7 @@ int line6_init_audio(struct usb_line6 *line6)
 	strcpy(card->id, line6->properties->id);
 	strcpy(card->driver, DRIVER_NAME);
 	strcpy(card->shortname, line6->properties->name);
-	sprintf(card->longname, "Line6 %s at USB %s", line6->properties->name,
-		dev_name(line6->ifcdev));  /* 80 chars - see asound.h */
+	sprintf(card->longname, "Line6 %s at USB %s", line6->properties->name, dev_name(line6->ifcdev));	/* 80 chars - see asound.h */
 	return 0;
 }
 

drivers/staging/line6/audio.h

 /*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
  *
  * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
  *
@@ -12,13 +12,10 @@
 #ifndef AUDIO_H
 #define AUDIO_H
 
-
 #include "driver.h"
 
-
 extern void line6_cleanup_audio(struct usb_line6 *);
 extern int line6_init_audio(struct usb_line6 *);
 extern int line6_register_audio(struct usb_line6 *);
 
-
 #endif

drivers/staging/line6/capture.c

 /*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
  *
  * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
  *
@@ -19,7 +19,6 @@
 #include "pcm.h"
 #include "pod.h"
 
-
 /*
 	Find a free URB and submit it.
 */
@@ -28,6 +27,7 @@ static int submit_audio_in_urb(struct snd_line6_pcm *line6pcm)
 	int index;
 	unsigned long flags;
 	int i, urb_size;
+	int ret;
 	struct urb *urb_in;
 
 	spin_lock_irqsave(&line6pcm->lock_audio_in, flags);
@@ -57,11 +57,13 @@ static int submit_audio_in_urb(struct snd_line6_pcm *line6pcm)
 	urb_in->transfer_buffer_length = urb_size;
 	urb_in->context = line6pcm;
 
-	if (usb_submit_urb(urb_in, GFP_ATOMIC) == 0)
+	ret = usb_submit_urb(urb_in, GFP_ATOMIC);
+
+	if (ret == 0)
 		set_bit(index, &line6pcm->active_urb_in);
 	else
 		dev_err(line6pcm->line6->ifcdev,
-			"URB in #%d submission failed\n", index);
+			"URB in #%d submission failed (%d)\n", index, ret);
 
 	spin_unlock_irqrestore(&line6pcm->lock_audio_in, flags);
 	return 0;
@@ -216,7 +218,7 @@ static void audio_in_callback(struct urb *urb)
 		int fsize;
 		struct usb_iso_packet_descriptor *fin = &urb->iso_frame_desc[i];
 
-		if (fin->status == -18) {
+		if (fin->status == -EXDEV) {
 			shutdown = 1;
 			break;
 		}
@@ -258,6 +260,9 @@ static void audio_in_callback(struct urb *urb)
 	if (!shutdown) {
 		submit_audio_in_urb(line6pcm);
 
+#ifdef CONFIG_LINE6_USB_IMPULSE_RESPONSE
+		if (!(line6pcm->flags & MASK_PCM_IMPULSE))
+#endif
 			if (test_bit(BIT_PCM_ALSA_CAPTURE, &line6pcm->flags))
 				line6_capture_check_period(line6pcm, length);
 	}
@@ -272,8 +277,8 @@ static int snd_line6_capture_open(struct snd_pcm_substream *substream)
 
 	err = snd_pcm_hw_constraint_ratdens(runtime, 0,
 					    SNDRV_PCM_HW_PARAM_RATE,
-					    (&line6pcm->properties->
-					     snd_line6_rates));
+					    (&line6pcm->
+					     properties->snd_line6_rates));
 	if (err < 0)
 		return err;
 
@@ -396,8 +401,8 @@ int line6_create_audio_in_urbs(struct snd_line6_pcm *line6pcm)
 		urb->dev = line6pcm->line6->usbdev;
 		urb->pipe =
 		    usb_rcvisocpipe(line6pcm->line6->usbdev,
-				    line6pcm->
-				    ep_audio_read & USB_ENDPOINT_NUMBER_MASK);
+				    line6pcm->ep_audio_read &
+				    USB_ENDPOINT_NUMBER_MASK);
 		urb->transfer_flags = URB_ISO_ASAP;
 		urb->start_frame = -1;
 		urb->number_of_packets = LINE6_ISO_PACKETS;

drivers/staging/line6/capture.h

 /*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
  *
  * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
  *
@@ -12,17 +12,17 @@
 #ifndef CAPTURE_H
 #define CAPTURE_H
 
-
 #include <sound/pcm.h>
 
 #include "driver.h"
 #include "pcm.h"
 
-
 extern struct snd_pcm_ops snd_line6_capture_ops;
 
 extern void line6_capture_copy(struct snd_line6_pcm *line6pcm, char *fbuf,
 			       int fsize);
+extern void line6_capture_check_period(struct snd_line6_pcm *line6pcm,
+				       int length);
 extern int line6_create_audio_in_urbs(struct snd_line6_pcm *line6pcm);
 extern int line6_submit_audio_in_all_urbs(struct snd_line6_pcm *line6pcm);
 extern void line6_unlink_audio_in_urbs(struct snd_line6_pcm *line6pcm);

drivers/staging/line6/control.c

 /*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
  *
  * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
  *

drivers/staging/line6/control.h

 /*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
  *
  * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
  *
@@ -22,7 +22,9 @@
    from "control.h", and this process depends on the exact formatting of the
    code and the comments below!
 */
+
 /* *INDENT-OFF* */
+
 enum {
 	POD_tweak                          =   1,
 	POD_wah_position                   =   4,
@@ -181,11 +183,13 @@ enum {
 	VARIAXMIDI_tone                    =  79,
 };
 
+/* *INDENT-ON* */
 
 extern int line6_pod_create_files(int firmware, int type, struct device *dev);
 extern void line6_pod_remove_files(int firmware, int type, struct device *dev);
-extern int line6_variax_create_files(int firmware, int type, struct device *dev);
-extern void line6_variax_remove_files(int firmware, int type, struct device *dev);
-
+extern int line6_variax_create_files(int firmware, int type,
+				     struct device *dev);
+extern void line6_variax_remove_files(int firmware, int type,
+				      struct device *dev);
 
 #endif

drivers/staging/line6/driver.h

 /*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
  *
  * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
  *
@@ -12,14 +12,12 @@
 #ifndef DRIVER_H
 #define DRIVER_H
 
-
 #include <linux/spinlock.h>
 #include <linux/usb.h>
 #include <sound/core.h>
 
 #include "midi.h"
 
-
 #define DRIVER_NAME "line6usb"
 
 #if defined(CONFIG_LINE6_USB_DUMP_CTRL) || defined(CONFIG_LINE6_USB_DUMP_MIDI) || defined(CONFIG_LINE6_USB_DUMP_PCM)
@@ -61,12 +59,10 @@
 #define DEBUG_MESSAGES(x)
 #endif
 
-
 #define MISSING_CASE	\
 	printk(KERN_ERR "line6usb driver bug: missing case in %s:%d\n", \
 		__FILE__, __LINE__)
 
-
 #define CHECK_RETURN(x)		\
 do {				\
 	err = x;		\
@@ -79,14 +75,12 @@ do {				\
 		return;			   \
 	x = (n);
 
-
 extern const unsigned char line6_midi_id[3];
 extern struct usb_line6 *line6_devices[LINE6_MAX_DEVICES];
 
 static const int SYSEX_DATA_OFS = sizeof(line6_midi_id) + 3;
 static const int SYSEX_EXTRA_SIZE = sizeof(line6_midi_id) + 4;
 
-
 /**
 	 Common properties of Line6 devices.
 */
@@ -202,7 +196,6 @@ struct usb_line6 {
 	int message_length;
 };
 
-
 extern char *line6_alloc_sysex_buffer(struct usb_line6 *line6, int code1,
 				      int code2, int size);
 extern ssize_t line6_nop_read(struct device *dev,
@@ -226,7 +219,8 @@ extern int line6_send_sysex_message_async(struct usb_line6 *line6,
 extern ssize_t line6_set_raw(struct device *dev, struct device_attribute *attr,
 			     const char *buf, size_t count);
 extern void line6_start_timer(struct timer_list *timer, unsigned int msecs,
-			      void (*function)(unsigned long), unsigned long data);
+			      void (*function) (unsigned long),
+			      unsigned long data);
 extern int line6_transmit_parameter(struct usb_line6 *line6, int param,
 				    int value);
 extern int line6_version_request_async(struct usb_line6 *line6);
@@ -238,5 +232,4 @@ extern void line6_write_hexdump(struct usb_line6 *line6, char dir,
 				const unsigned char *buffer, int size);
 #endif
 
-
 #endif

drivers/staging/line6/dumprequest.c

 /*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
  *
  * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
  *
@@ -14,7 +14,6 @@
 #include "driver.h"
 #include "dumprequest.h"
 
-
 /*
 	Set "dump in progress" flag.
 */
@@ -63,7 +62,8 @@ int line6_dump_request_async(struct line6_dump_request *l6dr,
 */
 int line6_dump_wait_interruptible(struct line6_dump_request *l6dr)
 {
-	return wait_event_interruptible(l6dr->wait, l6dr->in_progress == LINE6_DUMP_NONE);
+	return wait_event_interruptible(l6dr->wait,
+					l6dr->in_progress == LINE6_DUMP_NONE);
 }
 
 /*
@@ -79,7 +79,9 @@ void line6_dump_wait(struct line6_dump_request *l6dr)
 */
 int line6_dump_wait_timeout(struct line6_dump_request *l6dr, long timeout)
 {
-	return wait_event_timeout(l6dr->wait, l6dr->in_progress == LINE6_DUMP_NONE, timeout);
+	return wait_event_timeout(l6dr->wait,
+				  l6dr->in_progress == LINE6_DUMP_NONE,
+				  timeout);
 }
 
 /*

drivers/staging/line6/dumprequest.h

 /*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
  *
  * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
  *
@@ -12,18 +12,15 @@
 #ifndef DUMPREQUEST_H
 #define DUMPREQUEST_H
 
-
 #include <linux/usb.h>
 #include <linux/wait.h>
 #include <sound/core.h>
 
-
 enum {
 	LINE6_DUMP_NONE,
 	LINE6_DUMP_CURRENT
 };
 
-
 struct line6_dump_reqbuf {
 	/**
 		 Buffer for dump requests.
@@ -76,5 +73,4 @@ extern int line6_dump_wait_interruptible(struct line6_dump_request *l6dr);
 extern int line6_dump_wait_timeout(struct line6_dump_request *l6dr,
 				   long timeout);
 
-
 #endif

drivers/staging/line6/midi.c

 /*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
  *
  * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
  *
@@ -20,15 +20,12 @@
 #include "pod.h"
 #include "usbdefs.h"
 
-
 #define line6_rawmidi_substream_midi(substream) \
 	((struct snd_line6_midi *)((substream)->rmidi->private_data))
 
-
 static int send_midi_async(struct usb_line6 *line6, unsigned char *data,
 			   int length);
 
-
 /*
 	Pass data received via USB to MIDI.
 */
@@ -45,7 +42,8 @@ void line6_midi_receive(struct usb_line6 *line6, unsigned char *data,
 */
 static void line6_midi_transmit(struct snd_rawmidi_substream *substream)
 {
-	struct usb_line6 *line6 = line6_rawmidi_substream_midi(substream)->line6;
+	struct usb_line6 *line6 =
+	    line6_rawmidi_substream_midi(substream)->line6;
 	struct snd_line6_midi *line6midi = line6->line6midi;
 	struct MidiBuffer *mb = &line6midi->midibuf_out;
 	unsigned long flags;
@@ -74,7 +72,8 @@ static void line6_midi_transmit(struct snd_rawmidi_substream *substream)
 		if (done == 0)
 			break;
 
-		if (line6_midibuf_skip_message(mb, line6midi->midi_mask_transmit))
+		if (line6_midibuf_skip_message
+		    (mb, line6midi->midi_mask_transmit))
 			continue;
 
 		send_midi_async(line6, chunk, done);
@@ -132,7 +131,6 @@ static int send_midi_async(struct usb_line6 *line6, unsigned char *data,
 		dev_err(line6->ifcdev, "Out of memory\n");
 		return -ENOMEM;
 	}
-
 #ifdef CONFIG_LINE6_USB_DUMP_CTRL
 	line6_write_hexdump(line6, 'S', data, length);
 #endif
@@ -174,6 +172,9 @@ static int send_midi_async(struct usb_line6 *line6, unsigned char *data,
 					   length);
 		break;
 
+	case LINE6_DEVID_VARIAX:
+		break;
+
 	default:
 		MISSING_CASE;
 	}
@@ -195,7 +196,8 @@ static void line6_midi_output_trigger(struct snd_rawmidi_substream *substream,
 				      int up)
 {
 	unsigned long flags;
-	struct usb_line6 *line6 = line6_rawmidi_substream_midi(substream)->line6;
+	struct usb_line6 *line6 =
+	    line6_rawmidi_substream_midi(substream)->line6;
 
 	line6->line6midi->substream_transmit = substream;
 	spin_lock_irqsave(&line6->line6midi->send_urb_lock, flags);
@@ -208,9 +210,11 @@ static void line6_midi_output_trigger(struct snd_rawmidi_substream *substream,
 
 static void line6_midi_output_drain(struct snd_rawmidi_substream *substream)
 {
-	struct usb_line6 *line6 = line6_rawmidi_substream_midi(substream)->line6;
+	struct usb_line6 *line6 =
+	    line6_rawmidi_substream_midi(substream)->line6;
 	struct snd_line6_midi *midi = line6->line6midi;
-	wait_event_interruptible(midi->send_wait, midi->num_active_send_urbs == 0);
+	wait_event_interruptible(midi->send_wait,
+				 midi->num_active_send_urbs == 0);
 }
 
 static int line6_midi_input_open(struct snd_rawmidi_substream *substream)
@@ -226,7 +230,8 @@ static int line6_midi_input_close(struct snd_rawmidi_substream *substream)
 static void line6_midi_input_trigger(struct snd_rawmidi_substream *substream,
 				     int up)
 {
-	struct usb_line6 *line6 = line6_rawmidi_substream_midi(substream)->line6;
+	struct usb_line6 *line6 =
+	    line6_rawmidi_substream_midi(substream)->line6;
 
 	if (up)
 		line6->line6midi->substream_receive = substream;
@@ -272,8 +277,7 @@ static int snd_line6_new_midi(struct snd_line6_midi *line6midi)
 
 	rmidi->info_flags =
 	    SNDRV_RAWMIDI_INFO_OUTPUT |
-		SNDRV_RAWMIDI_INFO_INPUT |
-		SNDRV_RAWMIDI_INFO_DUPLEX;
+	    SNDRV_RAWMIDI_INFO_INPUT | SNDRV_RAWMIDI_INFO_DUPLEX;
 
 	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
 			    &line6_midi_output_ops);
@@ -346,15 +350,19 @@ static ssize_t midi_set_midi_mask_receive(struct device *dev,
 	return count;
 }
 
-static DEVICE_ATTR(midi_mask_transmit, S_IWUGO | S_IRUGO, midi_get_midi_mask_transmit, midi_set_midi_mask_transmit);
-static DEVICE_ATTR(midi_mask_receive, S_IWUGO | S_IRUGO, midi_get_midi_mask_receive, midi_set_midi_mask_receive);
+static DEVICE_ATTR(midi_mask_transmit, S_IWUGO | S_IRUGO,
+		   midi_get_midi_mask_transmit, midi_set_midi_mask_transmit);
+static DEVICE_ATTR(midi_mask_receive, S_IWUGO | S_IRUGO,
+		   midi_get_midi_mask_receive, midi_set_midi_mask_receive);
 
 /* MIDI device destructor */
 static int snd_line6_midi_free(struct snd_device *device)
 {
 	struct snd_line6_midi *line6midi = device->device_data;
-	device_remove_file(line6midi->line6->ifcdev, &dev_attr_midi_mask_transmit);
-	device_remove_file(line6midi->line6->ifcdev, &dev_attr_midi_mask_receive);
+	device_remove_file(line6midi->line6->ifcdev,
+			   &dev_attr_midi_mask_transmit);
+	device_remove_file(line6midi->line6->ifcdev,
+			   &dev_attr_midi_mask_receive);
 	line6_midibuf_destroy(&line6midi->midibuf_in);
 	line6_midibuf_destroy(&line6midi->midibuf_out);
 	return 0;

drivers/staging/line6/midi.h

 /*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
  *
  * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
  *
@@ -12,15 +12,12 @@
 #ifndef MIDI_H
 #define MIDI_H
 
-
 #include <sound/rawmidi.h>
 
 #include "midibuf.h"
 
-
 #define MIDI_BUFFER_SIZE 1024
 
-
 struct snd_line6_midi {
 	/**
 		 Pointer back to the Line6 driver data structure.
@@ -78,10 +75,8 @@ struct snd_line6_midi {
 	struct MidiBuffer midibuf_out;
 };
 
-
 extern int line6_init_midi(struct usb_line6 *line6);
 extern void line6_midi_receive(struct usb_line6 *line6, unsigned char *data,
 			       int length);
 
-
 #endif

drivers/staging/line6/midibuf.c

 /*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
  *
  * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
  *
@@ -13,7 +13,6 @@
 
 #include "midibuf.h"
 
-
 static int midibuf_message_length(unsigned char code)
 {
 	if (code < 0x80)
@@ -28,7 +27,8 @@ static int midibuf_message_length(unsigned char code)
 		   to send sysex messages to the host.
 		 */
 		static const int length[] = { -1, 2, -1, 2, -1, -1, 1, 1, 1, 1,
-					       1, 1, 1, -1, 1, 1 };
+			1, 1, 1, -1, 1, 1
+		};
 		return length[code & 0x0f];
 	}
 }
@@ -74,7 +74,8 @@ int line6_midibuf_bytes_free(struct MidiBuffer *this)
 	return
 	    midibuf_is_full(this) ?
 	    0 :
-		(this->pos_read - this->pos_write + this->size - 1) % this->size + 1;
+	    (this->pos_read - this->pos_write + this->size - 1) % this->size +
+	    1;
 }
 
 int line6_midibuf_bytes_used(struct MidiBuffer *this)
@@ -82,10 +83,12 @@ int line6_midibuf_bytes_used(struct MidiBuffer *this)
 	return
 	    midibuf_is_empty(this) ?
 	    0 :
-		(this->pos_write - this->pos_read + this->size - 1) % this->size + 1;
+	    (this->pos_write - this->pos_read + this->size - 1) % this->size +
+	    1;
 }
 
-int line6_midibuf_write(struct MidiBuffer *this, unsigned char *data, int length)
+int line6_midibuf_write(struct MidiBuffer *this, unsigned char *data,
+			int length)
 {
 	int bytes_free;
 	int length1, length2;
@@ -158,7 +161,8 @@ int line6_midibuf_read(struct MidiBuffer *this, unsigned char *data, int length)
 		this->command_prev = command;
 	} else {
 		if (this->command_prev > 0) {
-			int midi_length_prev = midibuf_message_length(this->command_prev);
+			int midi_length_prev =
+			    midibuf_message_length(this->command_prev);
 
 			if (midi_length_prev > 0) {
 				midi_length = midi_length_prev - 1;

drivers/staging/line6/midibuf.h

 /*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
  *
  * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
  *
@@ -12,7 +12,6 @@
 #ifndef MIDIBUF_H
 #define MIDIBUF_H
 
-
 struct MidiBuffer {
 	unsigned char *buf;
 	int size;
@@ -22,18 +21,18 @@ struct MidiBuffer {
 	int command_prev;
 };
 
-
 extern int line6_midibuf_bytes_used(struct MidiBuffer *mb);
 extern int line6_midibuf_bytes_free(struct MidiBuffer *mb);
 extern void line6_midibuf_destroy(struct MidiBuffer *mb);
 extern int line6_midibuf_ignore(struct MidiBuffer *mb, int length);
 extern int line6_midibuf_init(struct MidiBuffer *mb, int size, int split);
-extern int line6_midibuf_read(struct MidiBuffer *mb, unsigned char *data, int length);
+extern int line6_midibuf_read(struct MidiBuffer *mb, unsigned char *data,
+			      int length);
 extern void line6_midibuf_reset(struct MidiBuffer *mb);
-extern int line6_midibuf_skip_message(struct MidiBuffer *mb, unsigned short mask);
+extern int line6_midibuf_skip_message(struct MidiBuffer *mb,
+				      unsigned short mask);
 extern void line6_midibuf_status(struct MidiBuffer *mb);
 extern int line6_midibuf_write(struct MidiBuffer *mb, unsigned char *data,
 			       int length);
 
-
 #endif

drivers/staging/line6/pcm.c

 /*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
  *
  * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
  *
@@ -21,10 +21,9 @@
 #include "playback.h"
 #include "pod.h"
 
-
 #ifdef CONFIG_LINE6_USB_IMPULSE_RESPONSE
 
-static struct snd_line6_pcm* dev2pcm(struct device *dev)
+static struct snd_line6_pcm *dev2pcm(struct device *dev)
 {
 	struct usb_interface *interface = to_usb_interface(dev);
 	struct usb_line6 *line6 = usb_get_intfdata(interface);
@@ -36,8 +35,7 @@ static struct snd_line6_pcm* dev2pcm(struct device *dev)
 	"read" request on "impulse_volume" special file.
 */
 static ssize_t pcm_get_impulse_volume(struct device *dev,
-				      struct device_attribute *attr,
-				      char *buf)
+				      struct device_attribute *attr, char *buf)
 {
 	return sprintf(buf, "%d\n", dev2pcm(dev)->impulse_volume);
 }
@@ -53,7 +51,7 @@ static ssize_t pcm_set_impulse_volume(struct device *dev,
 	int value = simple_strtoul(buf, NULL, 10);
 	line6pcm->impulse_volume = value;
 
-	if(value > 0)
+	if (value > 0)
 		line6_pcm_start(line6pcm, MASK_PCM_IMPULSE);
 	else
 		line6_pcm_stop(line6pcm, MASK_PCM_IMPULSE);
@@ -65,8 +63,7 @@ static ssize_t pcm_set_impulse_volume(struct device *dev,
 	"read" request on "impulse_period" special file.
 */
 static ssize_t pcm_get_impulse_period(struct device *dev,
-				      struct device_attribute *attr,
-				      char *buf)
+				      struct device_attribute *attr, char *buf)
 {
 	return sprintf(buf, "%d\n", dev2pcm(dev)->impulse_period);
 }
@@ -82,23 +79,29 @@ static ssize_t pcm_set_impulse_period(struct device *dev,
 	return count;
 }
 
-static DEVICE_ATTR(impulse_volume, S_IWUGO | S_IRUGO, pcm_get_impulse_volume, pcm_set_impulse_volume);
-static DEVICE_ATTR(impulse_period, S_IWUGO | S_IRUGO, pcm_get_impulse_period, pcm_set_impulse_period);
+static DEVICE_ATTR(impulse_volume, S_IWUGO | S_IRUGO, pcm_get_impulse_volume,
+		   pcm_set_impulse_volume);
+static DEVICE_ATTR(impulse_period, S_IWUGO | S_IRUGO, pcm_get_impulse_period,
+		   pcm_set_impulse_period);
 
 #endif
 
 int line6_pcm_start(struct snd_line6_pcm *line6pcm, int channels)
 {
-	unsigned long flags_old = __sync_fetch_and_or(&line6pcm->flags, channels);
+	unsigned long flags_old =
+	    __sync_fetch_and_or(&line6pcm->flags, channels);
 	unsigned long flags_new = flags_old | channels;
 	int err = 0;
 
 #if LINE6_BACKUP_MONITOR_SIGNAL
 	if (!(line6pcm->line6->properties->capabilities & LINE6_BIT_HWMON)) {
-		line6pcm->prev_fbuf = kmalloc(LINE6_ISO_PACKETS * line6pcm->max_packet_size, GFP_KERNEL);
+		line6pcm->prev_fbuf =
+		    kmalloc(LINE6_ISO_PACKETS * line6pcm->max_packet_size,
+			    GFP_KERNEL);
 
 		if (!line6pcm->prev_fbuf) {
-			dev_err(line6pcm->line6->ifcdev, "cannot malloc monitor buffer\n");
+			dev_err(line6pcm->line6->ifcdev,
+				"cannot malloc monitor buffer\n");
 			return -ENOMEM;
 		}
 	}
@@ -113,13 +116,16 @@ int line6_pcm_start(struct snd_line6_pcm *line6pcm, int channels)
 		   a bug, we therefore report an error if capturing is restarted
 		   too soon.
 		 */
-		if(line6pcm->active_urb_in | line6pcm->unlink_urb_in)
+		if (line6pcm->active_urb_in | line6pcm->unlink_urb_in)
 			return -EBUSY;
 
-		line6pcm->buffer_in = kmalloc(LINE6_ISO_BUFFERS * LINE6_ISO_PACKETS * line6pcm->max_packet_size, GFP_KERNEL);
+		line6pcm->buffer_in =
+		    kmalloc(LINE6_ISO_BUFFERS * LINE6_ISO_PACKETS *
+			    line6pcm->max_packet_size, GFP_KERNEL);
 
 		if (!line6pcm->buffer_in) {
-			dev_err(line6pcm->line6->ifcdev, "cannot malloc capture buffer\n");
+			dev_err(line6pcm->line6->ifcdev,
+				"cannot malloc capture buffer\n");
 			return -ENOMEM;
 		}
 
@@ -138,13 +144,16 @@ int line6_pcm_start(struct snd_line6_pcm *line6pcm, int channels)
 		/*
 		   See comment above regarding PCM restart.
 		 */
-		if(line6pcm->active_urb_out | line6pcm->unlink_urb_out)
+		if (line6pcm->active_urb_out | line6pcm->unlink_urb_out)
 			return -EBUSY;
 
-		line6pcm->buffer_out = kmalloc(LINE6_ISO_BUFFERS * LINE6_ISO_PACKETS * line6pcm->max_packet_size, GFP_KERNEL);
+		line6pcm->buffer_out =
+		    kmalloc(LINE6_ISO_BUFFERS * LINE6_ISO_PACKETS *
+			    line6pcm->max_packet_size, GFP_KERNEL);
 
 		if (!line6pcm->buffer_out) {
-			dev_err(line6pcm->line6->ifcdev, "cannot malloc playback buffer\n");
+			dev_err(line6pcm->line6->ifcdev,
+				"cannot malloc playback buffer\n");
 			return -ENOMEM;
 		}
 
@@ -162,7 +171,8 @@ int line6_pcm_start(struct snd_line6_pcm *line6pcm, int channels)
 
 int line6_pcm_stop(struct snd_line6_pcm *line6pcm, int channels)
 {
-	unsigned long flags_old = __sync_fetch_and_and(&line6pcm->flags, ~channels);
+	unsigned long flags_old =
+	    __sync_fetch_and_and(&line6pcm->flags, ~channels);
 	unsigned long flags_new = flags_old & ~channels;
 
 	if (((flags_old & MASK_CAPTURE) != 0) &&
@@ -178,7 +188,6 @@ int line6_pcm_stop(struct snd_line6_pcm *line6pcm, int channels)
 		kfree(line6pcm->buffer_out);
 		line6pcm->buffer_out = NULL;
 	}
-
 #if LINE6_BACKUP_MONITOR_SIGNAL
 	if (line6pcm->prev_fbuf != NULL)
 		kfree(line6pcm->prev_fbuf);
@@ -223,8 +232,8 @@ int snd_line6_trigger(struct snd_pcm_substream *substream, int cmd)
 			break;
 
 		default:
-			dev_err(line6pcm->line6->ifcdev, "Unknown stream direction %d\n",
-				s->stream);
+			dev_err(line6pcm->line6->ifcdev,
+				"Unknown stream direction %d\n", s->stream);
 		}
 	}
 
@@ -264,8 +273,10 @@ static int snd_line6_control_playback_put(struct snd_kcontrol *kcontrol,
 	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
 
 	for (i = 2; i--;)
-		if (line6pcm->volume_playback[i] != ucontrol->value.integer.value[i]) {
-			line6pcm->volume_playback[i] = ucontrol->value.integer.value[i];
+		if (line6pcm->volume_playback[i] !=
+		    ucontrol->value.integer.value[i]) {
+			line6pcm->volume_playback[i] =
+			    ucontrol->value.integer.value[i];
 			changed = 1;
 		}
 
@@ -328,13 +339,13 @@ static int snd_line6_new_pcm(struct snd_line6_pcm *line6pcm)
 	/* set operators */
 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
 			&snd_line6_playback_ops);
-	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
-			&snd_line6_capture_ops);
+	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_line6_capture_ops);
 
 	/* pre-allocation of buffers */
 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
-					snd_dma_continuous_data(GFP_KERNEL),
-					64 * 1024, 128 * 1024);
+					      snd_dma_continuous_data
+					      (GFP_KERNEL), 64 * 1024,
+					      128 * 1024);
 
 	return 0;
 }
@@ -350,7 +361,7 @@ static int snd_line6_pcm_free(struct snd_device *device)
 */
 static void pcm_disconnect_substream(struct snd_pcm_substream *substream)
 {
-	if(substream->runtime && snd_pcm_running(substream)) {
+	if (substream->runtime && snd_pcm_running(substream)) {
 		snd_pcm_stop(substream, SNDRV_PCM_STATE_DISCONNECTED);
 	}
 }
@@ -360,8 +371,10 @@ static void pcm_disconnect_substream(struct snd_pcm_substream *substream)
 */
 void line6_pcm_disconnect(struct snd_line6_pcm *line6pcm)
 {
-	pcm_disconnect_substream(get_substream(line6pcm, SNDRV_PCM_STREAM_CAPTURE));
-	pcm_disconnect_substream(get_substream(line6pcm, SNDRV_PCM_STREAM_PLAYBACK));
+	pcm_disconnect_substream(get_substream
+				 (line6pcm, SNDRV_PCM_STREAM_CAPTURE));
+	pcm_disconnect_substream(get_substream
+				 (line6pcm, SNDRV_PCM_STREAM_PLAYBACK));
 	line6_unlink_wait_clear_audio_out_urbs(line6pcm);
 	line6_unlink_wait_clear_audio_in_urbs(line6pcm);
 }
@@ -442,8 +455,7 @@ int line6_init_pcm(struct usb_line6 *line6,
 	line6pcm->ep_audio_write = ep_write;
 	line6pcm->max_packet_size = usb_maxpacket(line6->usbdev,
 						  usb_rcvintpipe(line6->usbdev,
-								ep_read),
-						  0);
+								 ep_read), 0);
 	line6pcm->properties = properties;
 	line6->line6pcm = line6pcm;
 
@@ -471,7 +483,9 @@ int line6_init_pcm(struct usb_line6 *line6,
 		return err;
 
 	/* mixer: */
-	err = snd_ctl_add(line6->card, snd_ctl_new1(&line6_control_playback, line6pcm));
+	err =
+	    snd_ctl_add(line6->card,
+			snd_ctl_new1(&line6_control_playback, line6pcm));
 	if (err < 0)
 		return err;
 

drivers/staging/line6/pcm.h

 /*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
  *
  * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
  *
@@ -16,13 +16,11 @@
 #ifndef PCM_H
 #define PCM_H
 
-
 #include <sound/pcm.h>
 
 #include "driver.h"
 #include "usbdefs.h"
 
-
 /* number of URBs */
 #define LINE6_ISO_BUFFERS	2
 
@@ -44,13 +42,11 @@
 #define LINE6_BACKUP_MONITOR_SIGNAL 0
 #define LINE6_REUSE_DMA_AREA_FOR_PLAYBACK 0
 
-
 /*
 	Get substream from Line6 PCM data structure
 */
 #define get_substream(line6pcm, stream) (line6pcm->pcm->streams[stream].substream)
 
-
 /*
 	PCM mode bits and masks.
 	"ALSA": operations triggered by applications via ALSA
@@ -71,6 +67,7 @@ enum {
 	BIT_PREPARED,
 
 	/* individual masks: */
+/* *INDENT-OFF* */
 	MASK_PCM_ALSA_PLAYBACK    = 1 << BIT_PCM_ALSA_PLAYBACK,
 	MASK_PCM_ALSA_CAPTURE     = 1 << BIT_PCM_ALSA_CAPTURE,
 	MASK_PCM_MONITOR_PLAYBACK = 1 << BIT_PCM_MONITOR_PLAYBACK,
@@ -81,6 +78,7 @@ enum {
 #endif
 	MASK_PAUSE_PLAYBACK       = 1 << BIT_PAUSE_PLAYBACK,
 	MASK_PREPARED             = 1 << BIT_PREPARED,
+/* *INDENT-ON* */
 
 	/* combined masks (by operation): */
 	MASK_PCM_ALSA = MASK_PCM_ALSA_PLAYBACK | MASK_PCM_ALSA_CAPTURE,
@@ -91,8 +89,12 @@ enum {
 
 	/* combined masks (by direction): */
 #ifdef CONFIG_LINE6_USB_IMPULSE_RESPONSE
-	MASK_PLAYBACK = MASK_PCM_ALSA_PLAYBACK | MASK_PCM_MONITOR_PLAYBACK | MASK_PCM_IMPULSE_PLAYBACK,
-	MASK_CAPTURE  = MASK_PCM_ALSA_CAPTURE  | MASK_PCM_MONITOR_CAPTURE  | MASK_PCM_IMPULSE_CAPTURE
+	MASK_PLAYBACK =
+	    MASK_PCM_ALSA_PLAYBACK | MASK_PCM_MONITOR_PLAYBACK |
+	    MASK_PCM_IMPULSE_PLAYBACK,
+	MASK_CAPTURE =
+	    MASK_PCM_ALSA_CAPTURE | MASK_PCM_MONITOR_CAPTURE |
+	    MASK_PCM_IMPULSE_CAPTURE
 #else
 	MASK_PLAYBACK = MASK_PCM_ALSA_PLAYBACK | MASK_PCM_MONITOR_PLAYBACK,
 	MASK_CAPTURE = MASK_PCM_ALSA_CAPTURE | MASK_PCM_MONITOR_CAPTURE
@@ -302,7 +304,6 @@ struct snd_line6_pcm {
 	int last_frame_in, last_frame_out;
 };
 
-
 extern int line6_init_pcm(struct usb_line6 *line6,
 			  struct line6_pcm_properties *properties);
 extern int snd_line6_trigger(struct snd_pcm_substream *substream, int cmd);
@@ -311,7 +312,6 @@ extern void line6_pcm_disconnect(struct snd_line6_pcm *line6pcm);
 extern int line6_pcm_start(struct snd_line6_pcm *line6pcm, int channels);
 extern int line6_pcm_stop(struct snd_line6_pcm *line6pcm, int channels);
 
-
 #define PRINT_FRAME_DIFF(op) {																		\
 	static int diff_prev = 1000;																		\
 	int diff = line6pcm->last_frame_out - line6pcm->last_frame_in;	\
@@ -321,5 +321,4 @@ extern int line6_pcm_stop(struct snd_line6_pcm *line6pcm, int channels);
 	}																																\
 	}
 
-
 #endif

drivers/staging/line6/playback.c

 /*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
  *
  * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
  *
@@ -68,7 +68,16 @@ static void create_impulse_test_signal(struct snd_line6_pcm *line6pcm,
 	int frames = urb_out->transfer_buffer_length / bytes_per_frame;
 
 	if (bytes_per_frame == 4) {
-		/* TODO: add code for TonePort etc. */
+		int i;
+		short *pi = (short *)line6pcm->prev_fbuf;
+		short *po = (short *)urb_out->transfer_buffer;
+
+		for (i = 0; i < frames; ++i) {
+			po[0] = pi[0];
+			po[1] = 0;
+			pi += 2;
+			po += 2;
+		}
 	} else if (bytes_per_frame == 6) {
 		int i, j;
 		unsigned char *pi = line6pcm->prev_fbuf;
@@ -84,15 +93,13 @@ static void create_impulse_test_signal(struct snd_line6_pcm *line6pcm,
 			pi += bytes_per_frame;
 			po += bytes_per_frame;
 		}
-
+	}
 	if (--line6pcm->impulse_count <= 0) {
-			((unsigned char *)(urb_out->
-					   transfer_buffer))[bytes_per_frame -
+		((unsigned char *)(urb_out->transfer_buffer))[bytes_per_frame -
 							      1] =
 		    line6pcm->impulse_volume;
 		line6pcm->impulse_count = line6pcm->impulse_period;
 	}
-	}
 }
 
 #endif
@@ -130,6 +137,7 @@ static int submit_audio_out_urb(struct snd_line6_pcm *line6pcm)
 	int index;
 	unsigned long flags;
 	int i, urb_size, urb_frames;
+	int ret;
 	const int bytes_per_frame = line6pcm->properties->bytes_per_frame;
 	const int frame_increment =
 	    line6pcm->properties->snd_line6_rates.rats[0].num_min;
@@ -244,16 +252,20 @@ static int submit_audio_out_urb(struct snd_line6_pcm *line6pcm)
 			create_impulse_test_signal(line6pcm, urb_out,
 						   bytes_per_frame);
 			if (line6pcm->flags & MASK_PCM_ALSA_CAPTURE) {
-				line6_capture_copy(line6pcm, urb_out->transfer_buffer,
+				line6_capture_copy(line6pcm,
+						   urb_out->transfer_buffer,
+						   urb_out->
+						   transfer_buffer_length);
+				line6_capture_check_period(line6pcm,
 							   urb_out->transfer_buffer_length);
 			}
 		} else {
 #endif
 			if (!
-			    (line6pcm->line6->properties->
-			     capabilities & LINE6_BIT_HWMON)
-			    && (line6pcm->flags & MASK_PLAYBACK)
-			    && (line6pcm->flags & MASK_CAPTURE))
+			    (line6pcm->line6->
+			     properties->capabilities & LINE6_BIT_HWMON)
+&& (line6pcm->flags & MASK_PLAYBACK)
+&& (line6pcm->flags & MASK_CAPTURE))
 				add_monitor_signal(urb_out, line6pcm->prev_fbuf,
 						   line6pcm->volume_monitor,
 						   bytes_per_frame);
@@ -271,11 +283,13 @@ static int submit_audio_out_urb(struct snd_line6_pcm *line6pcm)
 	}
 #endif
 
-	if (usb_submit_urb(urb_out, GFP_ATOMIC) == 0)
+	ret = usb_submit_urb(urb_out, GFP_ATOMIC);
+
+	if (ret == 0)
 		set_bit(index, &line6pcm->active_urb_out);
 	else
 		dev_err(line6pcm->line6->ifcdev,
-			"URB out #%d submission failed\n", index);
+			"URB out #%d submission failed (%d)\n", index, ret);
 
 	spin_unlock_irqrestore(&line6pcm->lock_audio_out, flags);
 	return 0;
@@ -355,8 +369,7 @@ static void audio_out_callback(struct urb *urb)
 	int i, index, length = 0, shutdown = 0;
 	unsigned long flags;
 
-	struct snd_line6_pcm *line6pcm =
-	    (struct snd_line6_pcm *)urb->context;
+	struct snd_line6_pcm *line6pcm = (struct snd_line6_pcm *)urb->context;
 	struct snd_pcm_substream *substream =
 	    get_substream(line6pcm, SNDRV_PCM_STREAM_PLAYBACK);
 
@@ -391,7 +404,7 @@ static void audio_out_callback(struct urb *urb)
 	clear_bit(index, &line6pcm->active_urb_out);
 
 	for (i = LINE6_ISO_PACKETS; i--;)
-		if (urb->iso_frame_desc[i].status == -ESHUTDOWN) {
+		if (urb->iso_frame_desc[i].status == -EXDEV) {
 			shutdown = 1;
 			break;
 		}
@@ -422,8 +435,8 @@ static int snd_line6_playback_open(struct snd_pcm_substream *substream)
 	struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);
 
 	err = snd_pcm_hw_constraint_ratdens(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
-					    (&line6pcm->properties->
-					     snd_line6_rates));
+					    (&line6pcm->
+					     properties->snd_line6_rates));
 	if (err < 0)
 		return err;
 
@@ -554,8 +567,8 @@ int line6_create_audio_out_urbs(struct snd_line6_pcm *line6pcm)
 		urb->dev = line6pcm->line6->usbdev;
 		urb->pipe =
 		    usb_sndisocpipe(line6pcm->line6->usbdev,
-				    line6pcm->
-				    ep_audio_write & USB_ENDPOINT_NUMBER_MASK);
+				    line6pcm->ep_audio_write &
+				    USB_ENDPOINT_NUMBER_MASK);
 		urb->transfer_flags = URB_ISO_ASAP;
 		urb->start_frame = -1;
 		urb->number_of_packets = LINE6_ISO_PACKETS;

drivers/staging/line6/playback.h

 /*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
  *
  * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
  *
@@ -12,12 +12,10 @@
 #ifndef PLAYBACK_H
 #define PLAYBACK_H
 
-
 #include <sound/pcm.h>
 
 #include "driver.h"
 
-
 /*
   When the TonePort is used with jack in full duplex mode and the outputs are
   not connected, the software monitor produces an ugly noise since everything
@@ -28,7 +26,6 @@
 */
 #define USE_CLEAR_BUFFER_WORKAROUND 1
 
-
 extern struct snd_pcm_ops snd_line6_playback_ops;
 
 extern int line6_create_audio_out_urbs(struct snd_line6_pcm *line6pcm);

drivers/staging/line6/pod.h

 /*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
  *
  * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
  *
@@ -12,7 +12,6 @@
 #ifndef POD_H
 #define POD_H
 
-
 #include <linux/interrupt.h>
 #include <linux/spinlock.h>
 #include <linux/usb.h>
@@ -23,7 +22,6 @@
 #include "driver.h"
 #include "dumprequest.h"
 
-
 /*
 	PODxt Live interfaces
 */
@@ -41,7 +39,19 @@
 */
 #define POD_CONTROL_SIZE 0x80
 #define POD_BUFSIZE_DUMPREQ 7
-#define POD_STARTUP_DELAY 3000
+#define POD_STARTUP_DELAY 1000
+
+/*
+	Stages of POD startup procedure
+*/
+enum {
+	POD_STARTUP_INIT = 1,
+	POD_STARTUP_DUMPREQ,
+	POD_STARTUP_VERSIONREQ,
+	POD_STARTUP_WORKQUEUE,
+	POD_STARTUP_SETUP,
+	POD_STARTUP_LAST = POD_STARTUP_SETUP - 1
+};
 
 /**
 	Data structure for values that need to be requested explicitly.
@@ -183,14 +193,13 @@ struct usb_line6_pod {
 	char midi_postprocess;
 };
 
-
 extern void line6_pod_disconnect(struct usb_interface *interface);
-extern int line6_pod_init(struct usb_interface *interface, struct usb_line6_pod *pod);
+extern int line6_pod_init(struct usb_interface *interface,
+			  struct usb_line6_pod *pod);
 extern void line6_pod_midi_postprocess(struct usb_line6_pod *pod,
 				       unsigned char *data, int length);
 extern void line6_pod_process_message(struct usb_line6_pod *pod);
 extern void line6_pod_transmit_parameter(struct usb_line6_pod *pod, int param,
 					 int value);
 
-
 #endif

drivers/staging/line6/revision.h

 #ifndef DRIVER_REVISION
 /* current subversion revision */
-#define DRIVER_REVISION " (revision 665)"
+#define DRIVER_REVISION " (revision 684)"
 #endif

drivers/staging/line6/toneport.c

 /*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
  *
  * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
  *                         Emil Myhrman (emil.myhrman@gmail.com)
@@ -19,13 +19,10 @@
 #include "playback.h"
 #include "toneport.h"
 
-
 static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2);
 
-
 #define TONEPORT_PCM_DELAY 1
 
-
 static struct snd_ratden toneport_ratden = {
 	.num_min = 44100,
 	.num_max = 44100,
@@ -54,8 +51,7 @@ static struct line6_pcm_properties toneport_pcm_properties = {
 				  .period_bytes_min = 64,
 				  .period_bytes_max = 8192,
 				  .periods_min = 1,
-		.periods_max =      1024
-	},
+				  .periods_max = 1024},
 	.snd_line6_capture_hw = {
 				 .info = (SNDRV_PCM_INFO_MMAP |
 					  SNDRV_PCM_INFO_INTERLEAVED |
@@ -75,12 +71,10 @@ static struct line6_pcm_properties toneport_pcm_properties = {
 				 .period_bytes_min = 64,
 				 .period_bytes_max = 8192,
 				 .periods_min = 1,
-		.periods_max =      1024
-	},
+				 .periods_max = 1024},
 	.snd_line6_rates = {
 			    .nrats = 1,
-		.rats = &toneport_ratden
-	},
+			    .rats = &toneport_ratden},
 	.bytes_per_frame = 4
 };
 
@@ -93,17 +87,16 @@ static struct line6_pcm_properties toneport_pcm_properties = {
 static int led_red = 0x00;
 static int led_green = 0x26;
 
-struct ToneportSourceInfo
-{
+struct ToneportSourceInfo {
 	const char *name;
 	int code;
 };
 
 static const struct ToneportSourceInfo toneport_source_info[] = {
-	{ "Microphone", 0x0a01 },
-	{ "Line"      , 0x0801 },
-	{ "Instrument", 0x0b01 },
-	{ "Inst & Mic", 0x0901 }
+	{"Microphone", 0x0a01},
+	{"Line", 0x0801},
+	{"Instrument", 0x0b01},
+	{"Inst & Mic", 0x0901}
 };
 
 static bool toneport_has_led(short product)
@@ -166,7 +159,6 @@ static DEVICE_ATTR(led_red, S_IWUGO | S_IRUGO, line6_nop_read,
 static DEVICE_ATTR(led_green, S_IWUGO | S_IRUGO, line6_nop_read,
 		   toneport_set_led_green);
 
-
 static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2)
 {
 	int ret;
@@ -209,10 +201,16 @@ static int snd_toneport_monitor_put(struct snd_kcontrol *kcontrol,
 {
 	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
 
-	if(ucontrol->value.integer.value[0] == line6pcm->volume_monitor)
+	if (ucontrol->value.integer.value[0] == line6pcm->volume_monitor)
 		return 0;
 
 	line6pcm->volume_monitor = ucontrol->value.integer.value[0];
+
+	if (line6pcm->volume_monitor > 0)
+		line6_pcm_start(line6pcm, MASK_PCM_MONITOR);
+	else
+		line6_pcm_stop(line6pcm, MASK_PCM_MONITOR);
+
 	return 1;
 }
 
@@ -225,7 +223,7 @@ static int snd_toneport_source_info(struct snd_kcontrol *kcontrol,
 	uinfo->count = 1;
 	uinfo->value.enumerated.items = size;
 
-	if(uinfo->value.enumerated.item >= size)
+	if (uinfo->value.enumerated.item >= size)
 		uinfo->value.enumerated.item = size - 1;
 
 	strcpy(uinfo->value.enumerated.name,
@@ -239,7 +237,8 @@ static int snd_toneport_source_get(struct snd_kcontrol *kcontrol,
 				   struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
-	struct usb_line6_toneport *toneport = (struct usb_line6_toneport *)line6pcm->line6;
+	struct usb_line6_toneport *toneport =
+	    (struct usb_line6_toneport *)line6pcm->line6;
 	ucontrol->value.enumerated.item[0] = toneport->source;
 	return 0;
 }
@@ -249,13 +248,15 @@ static int snd_toneport_source_put(struct snd_kcontrol *kcontrol,
 				   struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
-	struct usb_line6_toneport *toneport = (struct usb_line6_toneport *)line6pcm->line6;
+	struct usb_line6_toneport *toneport =
+	    (struct usb_line6_toneport *)line6pcm->line6;
 
-	if(ucontrol->value.enumerated.item[0] == toneport->source)
+	if (ucontrol->value.enumerated.item[0] == toneport->source)
 		return 0;
 
 	toneport->source = ucontrol->value.enumerated.item[0];
-	toneport_send_cmd(toneport->line6.usbdev, toneport_source_info[toneport->source].code, 0x0000);
+	toneport_send_cmd(toneport->line6.usbdev,
+			  toneport_source_info[toneport->source].code, 0x0000);
 	return 1;
 }
 
@@ -321,10 +322,12 @@ static void toneport_setup(struct usb_line6_toneport *toneport)
 	toneport_send_cmd(usbdev, 0x0301, 0x0000);
 
 	/* initialize source select: */
-	switch(usbdev->descriptor.idProduct) {
+	switch (usbdev->descriptor.idProduct) {
 	case LINE6_DEVID_TONEPORT_UX1:
 	case LINE6_DEVID_PODSTUDIO_UX1:
-		toneport_send_cmd(usbdev, toneport_source_info[toneport->source].code, 0x0000);
+		toneport_send_cmd(usbdev,
+				  toneport_source_info[toneport->source].code,
+				  0x0000);
 	}
 
 	if (toneport_has_led(usbdev->descriptor.idProduct))
@@ -357,16 +360,22 @@ static int toneport_try_init(struct usb_interface *interface,
 	}
 
 	/* register monitor control: */
-	err = snd_ctl_add(line6->card, snd_ctl_new1(&toneport_control_monitor, line6->line6pcm));
+	err =
+	    snd_ctl_add(line6->card,
+			snd_ctl_new1(&toneport_control_monitor,
+				     line6->line6pcm));
 	if (err < 0) {
 		return err;
 	}
 
 	/* register source select control: */
-	switch(usbdev->descriptor.idProduct) {
+	switch (usbdev->descriptor.idProduct) {
 	case LINE6_DEVID_TONEPORT_UX1:
 	case LINE6_DEVID_PODSTUDIO_UX1:
-		err = snd_ctl_add(line6->card, snd_ctl_new1(&toneport_control_source, line6->line6pcm));
+		err =
+		    snd_ctl_add(line6->card,
+				snd_ctl_new1(&toneport_control_source,
+					     line6->line6pcm));
 		if (err < 0) {
 			return err;
 		}
@@ -382,8 +391,10 @@ static int toneport_try_init(struct usb_interface *interface,
 	line6_read_data(line6, 0x80c2, &toneport->firmware_version, 1);
 
 	if (toneport_has_led(usbdev->descriptor.idProduct)) {
-		CHECK_RETURN(device_create_file(&interface->dev, &dev_attr_led_red));
-		CHECK_RETURN(device_create_file(&interface->dev, &dev_attr_led_green));
+		CHECK_RETURN(device_create_file
+			     (&interface->dev, &dev_attr_led_red));
+		CHECK_RETURN(device_create_file
+			     (&interface->dev, &dev_attr_led_green));
 	}
 
 	toneport_setup(toneport);

drivers/staging/line6/toneport.h

 /*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
  *
  * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
  *
@@ -12,13 +12,11 @@
 #ifndef TONEPORT_H
 #define TONEPORT_H
 
-
 #include <linux/usb.h>
 #include <sound/core.h>
 
 #include "driver.h"
 
-
 struct usb_line6_toneport {
 	/**
 		Generic Line6 USB data.
@@ -46,11 +44,9 @@ struct usb_line6_toneport {
 	struct timer_list timer;
 };
 
-
 extern void line6_toneport_disconnect(struct usb_interface *interface);
 extern int line6_toneport_init(struct usb_interface *interface,
 			       struct usb_line6_toneport *toneport);
 extern void line6_toneport_reset_resume(struct usb_line6_toneport *toneport);
 
-
 #endif

drivers/staging/line6/usbdefs.h

 /*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
  *
  * Copyright (C) 2005-2008 Markus Grabner (grabner@icg.tugraz.at)
  *
@@ -12,7 +12,6 @@
 #ifndef USBDEFS_H
 #define USBDEFS_H
 
-
 #define LINE6_VENDOR_ID  0x0e41
 
 #define USB_INTERVALS_PER_SECOND 1000
@@ -80,5 +79,4 @@
 #define LINE6_FALLBACK_INTERVAL		10
 #define LINE6_FALLBACK_MAXPACKETSIZE	16
 
-
 #endif

drivers/staging/line6/variax.h

 /*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
  *
  * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
  *
@@ -12,7 +12,6 @@
 #ifndef VARIAX_H
 #define VARIAX_H
 
-
 #include <linux/spinlock.h>
 #include <linux/usb.h>
 #include <linux/wait.h>
@@ -21,11 +20,23 @@
 #include "driver.h"
 #include "dumprequest.h"
 
-
 #define VARIAX_STARTUP_DELAY1 1000
 #define VARIAX_STARTUP_DELAY3 100
 #define VARIAX_STARTUP_DELAY4 100
 
+/*
+	Stages of Variax startup procedure
+*/
+enum {
+	VARIAX_STARTUP_INIT = 1,
+	VARIAX_STARTUP_VERSIONREQ,
+	VARIAX_STARTUP_WAIT,
+	VARIAX_STARTUP_ACTIVATE,
+	VARIAX_STARTUP_DUMPREQ,
+	VARIAX_STARTUP_WORKQUEUE,
+	VARIAX_STARTUP_SETUP,
+	VARIAX_STARTUP_LAST = VARIAX_STARTUP_SETUP - 1
+};
 
 enum {
 	VARIAX_DUMP_PASS1 = LINE6_DUMP_CURRENT,
@@ -33,7 +44,6 @@ enum {
 	VARIAX_DUMP_PASS3
 };
 
-
 /**
 	Binary Variax model dump
 */
@@ -59,7 +69,8 @@ struct usb_line6_variax {
 		Dump request structure.
 		Append two extra buffers for 3-pass data query.
 	*/
-	struct line6_dump_request dumpreq; struct line6_dump_reqbuf extrabuf[2];
+	struct line6_dump_request dumpreq;
+	struct line6_dump_reqbuf extrabuf[2];
 
 	/**
 		Buffer for activation code.
@@ -102,9 +113,10 @@ struct usb_line6_variax {
 	struct work_struct startup_work;
 
 	/**
-		Timer for device initializaton.
+		Timers for device initializaton.
 	*/
-	struct timer_list startup_timer;
+	struct timer_list startup_timer1;
+	struct timer_list startup_timer2;
 
 	/**
 		Current progress in startup procedure.
@@ -112,11 +124,9 @@ struct usb_line6_variax {
 	int startup_progress;
 };
 
-
 extern void line6_variax_disconnect(struct usb_interface *interface);
 extern int line6_variax_init(struct usb_interface *interface,
 			     struct usb_line6_variax *variax);
 extern void line6_variax_process_message(struct usb_line6_variax *variax);
 
-
 #endif