diff options
| -rw-r--r-- | drivers/staging/line6/driver.c | 336 |
1 files changed, 194 insertions, 142 deletions
diff --git a/drivers/staging/line6/driver.c b/drivers/staging/line6/driver.c index 0484ee6..85a20d0 100644 --- a/drivers/staging/line6/driver.c +++ b/drivers/staging/line6/driver.c @@ -50,7 +50,7 @@ static struct usb_device_id line6_id_table[] = { { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_VARIAX) }, { }, }; -MODULE_DEVICE_TABLE (usb, line6_id_table); +MODULE_DEVICE_TABLE(usb, line6_id_table); static struct line6_properties line6_properties_table[] = { { "BassPODxt", LINE6_BIT_BASSPODXT, LINE6_BIT_CONTROL_PCM }, @@ -82,8 +82,7 @@ struct workqueue_struct *line6_workqueue; /** Class for asynchronous messages. */ -struct message -{ +struct message { struct usb_line6 *line6; const char *buffer; int size; @@ -95,7 +94,8 @@ struct message Forward declarations. */ static void line6_data_received(struct urb *urb); -static int line6_send_raw_message_async_part(struct message *msg, struct urb *urb); +static int line6_send_raw_message_async_part(struct message *msg, + struct urb *urb); /* @@ -103,13 +103,10 @@ static int line6_send_raw_message_async_part(struct message *msg, struct urb *ur */ static int line6_start_listen(struct usb_line6 *line6) { - usb_fill_int_urb(line6->urb_listen, - line6->usbdev, - usb_rcvintpipe(line6->usbdev, line6->ep_control_read), - line6->buffer_listen, LINE6_BUFSIZE_LISTEN, - line6_data_received, - line6, - line6->interval); + usb_fill_int_urb(line6->urb_listen, line6->usbdev, + usb_rcvintpipe(line6->usbdev, line6->ep_control_read), + line6->buffer_listen, LINE6_BUFSIZE_LISTEN, + line6_data_received, line6, line6->interval); line6->urb_listen->actual_length = 0; return usb_submit_urb(line6->urb_listen, GFP_KERNEL); } @@ -118,31 +115,31 @@ static int line6_start_listen(struct usb_line6 *line6) /* Write hexdump to syslog. */ -void line6_write_hexdump(struct usb_line6 *line6, char dir, const unsigned char *buffer, int size) +void line6_write_hexdump(struct usb_line6 *line6, char dir, + const unsigned char *buffer, int size) { static const int BYTES_PER_LINE = 8; char hexdump[100]; char asc[BYTES_PER_LINE + 1]; int i, j; - for(i = 0; i < size; i += BYTES_PER_LINE) { + for (i = 0; i < size; i += BYTES_PER_LINE) { int hexdumpsize = sizeof(hexdump); char *p = hexdump; int n = min(size - i, BYTES_PER_LINE); asc[n] = 0; - for(j = 0; j < BYTES_PER_LINE; ++j) { + for (j = 0; j < BYTES_PER_LINE; ++j) { int bytes; - if(j < n) { + if (j < n) { unsigned char val = buffer[i + j]; bytes = snprintf(p, hexdumpsize, " %02X", val); asc[j] = ((val >= 0x20) && (val < 0x7f)) ? val : '.'; - } - else + } else bytes = snprintf(p, hexdumpsize, " "); - if(bytes > hexdumpsize) + if (bytes > hexdumpsize) break; /* buffer overflow */ p += bytes; @@ -162,17 +159,19 @@ static void line6_dump_urb(struct urb *urb) { struct usb_line6 *line6 = (struct usb_line6 *)urb->context; - if(urb->status < 0) + if (urb->status < 0) return; - line6_write_hexdump(line6, 'R', (unsigned char *)urb->transfer_buffer, urb->actual_length); + line6_write_hexdump(line6, 'R', (unsigned char *)urb->transfer_buffer, + urb->actual_length); } #endif /* Send raw message in pieces of wMaxPacketSize bytes. */ -int line6_send_raw_message(struct usb_line6 *line6, const char *buffer, int size) +int line6_send_raw_message(struct usb_line6 *line6, const char *buffer, + int size) { int i, done = 0; @@ -180,16 +179,21 @@ int line6_send_raw_message(struct usb_line6 *line6, const char *buffer, int size line6_write_hexdump(line6, 'S', buffer, size); #endif - for(i = 0; i < size; i += line6->max_packet_size) { + for (i = 0; i < size; i += line6->max_packet_size) { int partial; const char *frag_buf = buffer + i; int frag_size = min(line6->max_packet_size, size - i); - int retval = usb_interrupt_msg(line6->usbdev, - usb_sndintpipe(line6->usbdev, line6->ep_control_write), - (char *)frag_buf, frag_size, &partial, LINE6_TIMEOUT * HZ); + int retval; + + retval = usb_interrupt_msg(line6->usbdev, + usb_sndintpipe(line6->usbdev, + line6->ep_control_write), + (char *)frag_buf, frag_size, + &partial, LINE6_TIMEOUT * HZ); - if(retval) { - dev_err(line6->ifcdev, "usb_interrupt_msg failed (%d)\n", retval); + if (retval) { + dev_err(line6->ifcdev, + "usb_interrupt_msg failed (%d)\n", retval); break; } @@ -206,29 +210,28 @@ static void line6_async_request_sent(struct urb *urb) { struct message *msg = (struct message *)urb->context; - if(msg->done >= msg->size) { + if (msg->done >= msg->size) { usb_free_urb(urb); kfree(msg); - } - else + } else line6_send_raw_message_async_part(msg, urb); } /* Asynchronously send part of a raw message. */ -static int line6_send_raw_message_async_part(struct message *msg, struct urb *urb) +static int line6_send_raw_message_async_part(struct message *msg, + struct urb *urb) { int retval; struct usb_line6 *line6 = msg->line6; int done = msg->done; int bytes = min(msg->size - done, line6->max_packet_size); - usb_fill_int_urb(urb, - line6->usbdev, - usb_sndintpipe(line6->usbdev, line6->ep_control_write), - (char *)msg->buffer + done, bytes, - line6_async_request_sent, msg, line6->interval); + usb_fill_int_urb(urb, line6->usbdev, + usb_sndintpipe(line6->usbdev, line6->ep_control_write), + (char *)msg->buffer + done, bytes, + line6_async_request_sent, msg, line6->interval); #if DO_DUMP_URB_SEND line6_write_hexdump(line6, 'S', (char *)msg->buffer + done, bytes); @@ -237,8 +240,9 @@ static int line6_send_raw_message_async_part(struct message *msg, struct urb *ur msg->done += bytes; retval = usb_submit_urb(urb, GFP_ATOMIC); - if(retval < 0) { - dev_err(line6->ifcdev, "line6_send_raw_message_async: usb_submit_urb failed (%d)\n", retval); + if (retval < 0) { + dev_err(line6->ifcdev, "%s: usb_submit_urb failed (%d)\n", + __func__, retval); usb_free_urb(urb); kfree(msg); return -EINVAL; @@ -250,7 +254,8 @@ static int line6_send_raw_message_async_part(struct message *msg, struct urb *ur /* Asynchronously send raw message. */ -int line6_send_raw_message_async(struct usb_line6 *line6, const char *buffer, int size) +int line6_send_raw_message_async(struct usb_line6 *line6, const char *buffer, + int size) { struct message *msg; struct urb *urb; @@ -258,7 +263,7 @@ int line6_send_raw_message_async(struct usb_line6 *line6, const char *buffer, in /* create message: */ msg = kmalloc(sizeof(struct message), GFP_ATOMIC); - if(msg == NULL) { + if (msg == NULL) { dev_err(line6->ifcdev, "Out of memory\n"); return -ENOMEM; } @@ -266,7 +271,7 @@ int line6_send_raw_message_async(struct usb_line6 *line6, const char *buffer, in /* create URB: */ urb = usb_alloc_urb(0, GFP_ATOMIC); - if(urb == NULL) { + if (urb == NULL) { kfree(msg); dev_err(line6->ifcdev, "Out of memory\n"); return -ENOMEM; @@ -285,7 +290,8 @@ int line6_send_raw_message_async(struct usb_line6 *line6, const char *buffer, in /* Send sysex message in pieces of wMaxPacketSize bytes. */ -int line6_send_sysex_message(struct usb_line6 *line6, const char *buffer, int size) +int line6_send_sysex_message(struct usb_line6 *line6, const char *buffer, + int size) { return line6_send_raw_message(line6, buffer, size + SYSEX_EXTRA_SIZE) - SYSEX_EXTRA_SIZE; } @@ -295,11 +301,12 @@ int line6_send_sysex_message(struct usb_line6 *line6, const char *buffer, int si @param code sysex message code @param size number of bytes between code and sysex end */ -char *line6_alloc_sysex_buffer(struct usb_line6 *line6, int code1, int code2, int size) +char *line6_alloc_sysex_buffer(struct usb_line6 *line6, int code1, int code2, + int size) { char *buffer = kmalloc(size + SYSEX_EXTRA_SIZE, GFP_KERNEL); - if(!buffer) { + if (!buffer) { dev_err(line6->ifcdev, "out of memory\n"); return NULL; } @@ -321,7 +328,7 @@ static void line6_data_received(struct urb *urb) struct MidiBuffer *mb = &line6->line6midi->midibuf_in; int done; - if(urb->status == -ESHUTDOWN) + if (urb->status == -ESHUTDOWN) return; #if DO_DUMP_URB_RECEIVE @@ -330,19 +337,19 @@ static void line6_data_received(struct urb *urb) done = midibuf_write(mb, urb->transfer_buffer, urb->actual_length); - if(done < urb->actual_length) { + if (done < urb->actual_length) { midibuf_ignore(mb, done); DEBUG_MESSAGES(dev_err(line6->ifcdev, "%d %d buffer overflow - message skipped\n", done, urb->actual_length)); } - for(;;) { + for (;;) { done = midibuf_read(mb, line6->buffer_message, LINE6_MESSAGE_MAXLEN); - if(done == 0) + if (done == 0) break; /* MIDI input filter */ - if(midibuf_skip_message(mb, line6->line6midi->midi_mask_receive)) + if (midibuf_skip_message(mb, line6->line6midi->midi_mask_receive)) continue; line6->message_length = done; @@ -351,7 +358,7 @@ static void line6_data_received(struct urb *urb) #endif line6_midi_receive(line6, line6->buffer_message, done); - switch(line6->usbdev->descriptor.idProduct) { + switch (line6->usbdev->descriptor.idProduct) { case LINE6_DEVID_BASSPODXT: case LINE6_DEVID_BASSPODXTLIVE: case LINE6_DEVID_BASSPODXTPRO: @@ -362,7 +369,7 @@ static void line6_data_received(struct urb *urb) break; case LINE6_DEVID_PODXTLIVE: - switch(line6->interface_number) { + switch (line6->interface_number) { case PODXTLIVE_INTERFACE_POD: pod_process_message((struct usb_line6_pod *)line6); break; @@ -399,7 +406,7 @@ int line6_send_program(struct usb_line6 *line6, int value) buffer = kmalloc(2, GFP_KERNEL); - if(!buffer) { + if (!buffer) { dev_err(line6->ifcdev, "out of memory\n"); return -ENOMEM; } @@ -412,10 +419,11 @@ int line6_send_program(struct usb_line6 *line6, int value) #endif retval = usb_interrupt_msg(line6->usbdev, - usb_sndintpipe(line6->usbdev, line6->ep_control_write), - buffer, 2, &partial, LINE6_TIMEOUT * HZ); + usb_sndintpipe(line6->usbdev, + line6->ep_control_write), + buffer, 2, &partial, LINE6_TIMEOUT * HZ); - if(retval) + if (retval) dev_err(line6->ifcdev, "usb_interrupt_msg failed (%d)\n", retval); kfree(buffer); @@ -433,7 +441,7 @@ int line6_transmit_parameter(struct usb_line6 *line6, int param, int value) buffer = kmalloc(3, GFP_KERNEL); - if(!buffer) { + if (!buffer) { dev_err(line6->ifcdev, "out of memory\n"); return -ENOMEM; } @@ -450,7 +458,7 @@ int line6_transmit_parameter(struct usb_line6 *line6, int param, int value) usb_sndintpipe(line6->usbdev, line6->ep_control_write), buffer, 3, &partial, LINE6_TIMEOUT * HZ); - if(retval) + if (retval) dev_err(line6->ifcdev, "usb_interrupt_msg failed (%d)\n", retval); kfree(buffer); @@ -471,7 +479,7 @@ int line6_read_data(struct usb_line6 *line6, int address, void *data, size_t dat USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, (datalen << 8) | 0x21, address, NULL, 0, LINE6_TIMEOUT * HZ); - if(ret < 0) { + if (ret < 0) { dev_err(line6->ifcdev, "read request failed (error %d)\n", ret); return ret; } @@ -479,26 +487,34 @@ int line6_read_data(struct usb_line6 *line6, int address, void *data, size_t dat /* Wait for data length. We'll get a couple of 0xff until length arrives. */ do { ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - 0x0012, 0x0000, &len, 1, LINE6_TIMEOUT * HZ); - if(ret < 0) { - dev_err(line6->ifcdev, "receive length failed (error %d)\n", ret); + USB_TYPE_VENDOR | USB_RECIP_DEVICE | + USB_DIR_IN, + 0x0012, 0x0000, &len, 1, + LINE6_TIMEOUT * HZ); + if (ret < 0) { + dev_err(line6->ifcdev, + "receive length failed (error %d)\n", ret); return ret; } } - while(len == 0xff); - - if(len != datalen) { /* should be equal or something went wrong */ - dev_err(line6->ifcdev, "length mismatch (expected %d, got %d)\n", (int)datalen, (int)len); + while (len == 0xff) + ; + + if (len != datalen) { + /* should be equal or something went wrong */ + dev_err(line6->ifcdev, + "length mismatch (expected %d, got %d)\n", + (int)datalen, (int)len); return -EINVAL; } /* receive the result: */ ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - 0x0013, 0x0000, data, datalen, LINE6_TIMEOUT * HZ); + USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, + 0x0013, 0x0000, data, datalen, + LINE6_TIMEOUT * HZ); - if(ret < 0) { + if (ret < 0) { dev_err(line6->ifcdev, "read failed (error %d)\n", ret); return ret; } @@ -509,34 +525,42 @@ int line6_read_data(struct usb_line6 *line6, int address, void *data, size_t dat /* Write data to device. */ -int line6_write_data(struct usb_line6 *line6, int address, void *data, size_t datalen) +int line6_write_data(struct usb_line6 *line6, int address, void *data, + size_t datalen) { struct usb_device *usbdev = line6->usbdev; int ret; unsigned char status; - ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev,0), 0x67, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, - 0x0022, address, data, datalen, LINE6_TIMEOUT * HZ); + ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67, + USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, + 0x0022, address, data, datalen, + LINE6_TIMEOUT * HZ); - if(ret < 0) { - dev_err(line6->ifcdev, "write request failed (error %d)\n", ret); + if (ret < 0) { + dev_err(line6->ifcdev, + "write request failed (error %d)\n", ret); return ret; } do { - ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev,0), 0x67, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - 0x0012, 0x0000, &status, 1, LINE6_TIMEOUT * HZ); - - if(ret < 0) { - dev_err(line6->ifcdev, "receiving status failed (error %d)\n", ret); + ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), + 0x67, + USB_TYPE_VENDOR | USB_RECIP_DEVICE | + USB_DIR_IN, + 0x0012, 0x0000, + &status, 1, LINE6_TIMEOUT * HZ); + + if (ret < 0) { + dev_err(line6->ifcdev, + "receiving status failed (error %d)\n", ret); return ret; } } - while(status == 0xff); + while (status == 0xff) + ; - if(status != 0) { + if (status != 0) { dev_err(line6->ifcdev, "write failed (error %d)\n", ret); return -EINVAL; } @@ -591,16 +615,19 @@ ssize_t line6_set_raw(struct device *dev, struct device_attribute *attr, static void line6_destruct(struct usb_interface *interface) { struct usb_line6 *line6; - if(interface == NULL) return; + + if (interface == NULL) + return; line6 = usb_get_intfdata(interface); - if(line6 == NULL) return; + if (line6 == NULL) + return; /* free buffer memory first: */ - if(line6->buffer_message != NULL) kfree(line6->buffer_message); - if(line6->buffer_listen != NULL) kfree(line6->buffer_listen); + kfree(line6->buffer_message); + kfree(line6->buffer_listen); /* then free URBs: */ - if(line6->urb_listen != NULL) usb_free_urb(line6->urb_listen); + usb_free_urb(line6->urb_listen); /* make sure the device isn't destructed twice: */ usb_set_intfdata(interface, NULL); @@ -613,11 +640,11 @@ static void line6_list_devices(void) { int i; - for(i = 0; i < LINE6_MAX_DEVICES; ++i) { + for (i = 0; i < LINE6_MAX_DEVICES; ++i) { struct usb_line6 *dev = line6_devices[i]; printk(KERN_INFO "Line6 device %d: ", i); - if(dev == NULL) + if (dev == NULL) printk("(not used)\n"); else printk("%s:%d\n", dev->properties->name, dev->interface_number); @@ -640,33 +667,35 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_ int ep_read = 0, ep_write = 0; int ret; - if(interface == NULL) return -ENODEV; + if (interface == NULL) + return -ENODEV; usbdev = interface_to_usbdev(interface); - if(usbdev == NULL) return -ENODEV; + if (usbdev == NULL) + return -ENODEV; /* increment reference counters: */ usb_get_intf(interface); usb_get_dev(usbdev); /* we don't handle multiple configurations */ - if(usbdev->descriptor.bNumConfigurations != 1) + if (usbdev->descriptor.bNumConfigurations != 1) return -ENODEV; /* check vendor and product id */ - for(devtype = sizeof(line6_id_table) / sizeof(line6_id_table[0]) - 1; devtype--;) - if((le16_to_cpu(usbdev->descriptor.idVendor) == line6_id_table[devtype].idVendor) && + for (devtype = sizeof(line6_id_table) / sizeof(line6_id_table[0]) - 1; devtype--;) + if ((le16_to_cpu(usbdev->descriptor.idVendor) == line6_id_table[devtype].idVendor) && (le16_to_cpu(usbdev->descriptor.idProduct) == line6_id_table[devtype].idProduct)) break; - if(devtype < 0) + if (devtype < 0) return -ENODEV; /* find free slot in device table: */ - for(devnum = 0; devnum < LINE6_MAX_DEVICES; ++devnum) - if(line6_devices[devnum] == NULL) + for (devnum = 0; devnum < LINE6_MAX_DEVICES; ++devnum) + if (line6_devices[devnum] == NULL) break; - if(devnum == LINE6_MAX_DEVICES) + if (devnum == LINE6_MAX_DEVICES) return -ENODEV; /* initialize device info: */ @@ -677,7 +706,7 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_ /* query interface number */ interface_number = interface->cur_altsetting->desc.bInterfaceNumber; - switch(product) { + switch (product) { case LINE6_DEVID_BASSPODXTLIVE: case LINE6_DEVID_POCKETPOD: case LINE6_DEVID_PODXTLIVE: @@ -687,10 +716,15 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_ case LINE6_DEVID_PODX3: case LINE6_DEVID_PODX3LIVE: - switch(interface_number) { - case 0: alternate = 1; break; - case 1: alternate = 0; break; - default: MISSING_CASE; + switch (interface_number) { + case 0: + alternate = 1; + break; + case 1: + alternate = 0; + break; + default: + MISSING_CASE; } break; @@ -703,15 +737,21 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_ case LINE6_DEVID_TONEPORT_GX: case LINE6_DEVID_GUITARPORT: - alternate = 2; // 1..4 seem to be ok + alternate = 2; /* 1..4 seem to be ok */ break; case LINE6_DEVID_TONEPORT_UX1: case LINE6_DEVID_TONEPORT_UX2: - switch(interface_number) { - case 0: alternate = 2; break; /* defaults to 44.1kHz, 16-bit */ - case 1: alternate = 0; break; - default: MISSING_CASE; + switch (interface_number) { + case 0: + /* defaults to 44.1kHz, 16-bit */ + alternate = 2; + break; + case 1: + alternate = 0; + break; + default: + MISSING_CASE; } break; @@ -720,13 +760,14 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_ return -ENODEV; } - if((ret = usb_set_interface(usbdev, interface_number, alternate)) < 0) { + ret = usb_set_interface(usbdev, interface_number, alternate); + if (ret < 0) { dev_err(&interface->dev, "set_interface failed\n"); return ret; } /* initialize device data based on product id: */ - switch(product) { + switch (product) { case LINE6_DEVID_BASSPODXT: case LINE6_DEVID_BASSPODXTLIVE: case LINE6_DEVID_BASSPODXTPRO: @@ -755,7 +796,7 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_ break; case LINE6_DEVID_PODXTLIVE: - switch(interface_number) { + switch (interface_number) { case PODXTLIVE_INTERFACE_POD: size = sizeof(struct usb_line6_pod); ep_read = 0x84; @@ -784,14 +825,14 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_ return -ENODEV; } - if(size == 0) { + if (size == 0) { dev_err(line6->ifcdev, "driver bug: interface data size not set\n"); return -ENODEV; } line6 = kzalloc(size, GFP_KERNEL); - if(line6 == NULL) { + if (line6 == NULL) { dev_err(&interface->dev, "Out of memory\n"); return -ENOMEM; } @@ -811,11 +852,10 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_ unsigned epnum = usb_pipeendpoint(usb_rcvintpipe(usbdev, ep_read)); ep = usbdev->ep_in[epnum]; - if(ep != NULL) { + if (ep != NULL) { line6->interval = ep->desc.bInterval; line6->max_packet_size = le16_to_cpu(ep->desc.wMaxPacketSize); - } - else { + } else { line6->interval = LINE6_FALLBACK_INTERVAL; line6->max_packet_size = LINE6_FALLBACK_MAXPACKETSIZE; dev_err(line6->ifcdev, "endpoint not available, using fallback values"); @@ -824,11 +864,11 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_ usb_set_intfdata(interface, line6); - if(properties->capabilities & LINE6_BIT_CONTROL) { + if (properties->capabilities & LINE6_BIT_CONTROL) { /* initialize USB buffers: */ line6->buffer_listen = kmalloc(LINE6_BUFSIZE_LISTEN, GFP_KERNEL); - if(line6->buffer_listen == NULL) { + if (line6->buffer_listen == NULL) { dev_err(&interface->dev, "Out of memory\n"); line6_destruct(interface); return -ENOMEM; @@ -836,7 +876,7 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_ line6->buffer_message = kmalloc(LINE6_MESSAGE_MAXLEN, GFP_KERNEL); - if(line6->buffer_message == NULL) { + if (line6->buffer_message == NULL) { dev_err(&interface->dev, "Out of memory\n"); line6_destruct(interface); return -ENOMEM; @@ -844,21 +884,23 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_ line6->urb_listen = usb_alloc_urb(0, GFP_KERNEL); - if(line6->urb_listen == NULL) { + if (line6->urb_listen == NULL) { dev_err(&interface->dev, "Out of memory\n"); line6_destruct(interface); return -ENOMEM; } - if((ret = line6_start_listen(line6)) < 0) { - dev_err(&interface->dev, " line6_probe: usb_submit_urb failed\n"); + ret = line6_start_listen(line6); + if (ret < 0) { + dev_err(&interface->dev, "%s: usb_submit_urb failed\n", + __func__); line6_destruct(interface); return ret; } } /* initialize device data based on product id: */ - switch(product) { + switch (product) { case LINE6_DEVID_BASSPODXT: case LINE6_DEVID_BASSPODXTLIVE: case LINE6_DEVID_BASSPODXTPRO: @@ -871,7 +913,7 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_ break; case LINE6_DEVID_PODXTLIVE: - switch(interface_number) { + switch (interface_number) { case PODXTLIVE_INTERFACE_POD: ret = pod_init(interface, (struct usb_line6_pod *)line6); break; @@ -881,7 +923,9 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_ break; default: - dev_err(&interface->dev, "PODxt Live interface %d not supported\n", interface_number); + dev_err(&interface->dev, + "PODxt Live interface %d not supported\n", + interface_number); ret = -ENODEV; } @@ -903,17 +947,20 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_ ret = -ENODEV; } - if(ret < 0) { + if (ret < 0) { line6_destruct(interface); return ret; } - if((ret = sysfs_create_link(&interface->dev.kobj, &usbdev->dev.kobj, "usb_device")) < 0) { + ret = sysfs_create_link(&interface->dev.kobj, &usbdev->dev.kobj, + "usb_device"); + if (ret < 0) { line6_destruct(interface); return ret; } - dev_info(&interface->dev, "Line6 %s now attached\n", line6->properties->name); + dev_info(&interface->dev, "Line6 %s now attached\n", + line6->properties->name); line6_devices[devnum] = line6; line6_list_devices(); return ret; @@ -928,22 +975,26 @@ static void line6_disconnect(struct usb_interface *interface) struct usb_device *usbdev; int interface_number, i; - if(interface == NULL) return; + if (interface == NULL) + return; usbdev = interface_to_usbdev(interface); - if(usbdev == NULL) return; + if (usbdev == NULL) + return; sysfs_remove_link(&interface->dev.kobj, "usb_device"); interface_number = interface->cur_altsetting->desc.bInterfaceNumber; line6 = usb_get_intfdata(interface); - if(line6 != NULL) { - if(line6->urb_listen != NULL) usb_kill_urb(line6->urb_listen); + if (line6 != NULL) { + if (line6->urb_listen != NULL) + usb_kill_urb(line6->urb_listen); - if(usbdev != line6->usbdev) - dev_err(line6->ifcdev, "driver bug: inconsistent usb device\n"); + if (usbdev != line6->usbdev) + dev_err(line6->ifcdev, + "driver bug: inconsistent usb device\n"); - switch(line6->usbdev->descriptor.idProduct) { + switch (line6->usbdev->descriptor.idProduct) { case LINE6_DEVID_BASSPODXT: case LINE6_DEVID_BASSPODXTLIVE: case LINE6_DEVID_BASSPODXTPRO: @@ -956,7 +1007,7 @@ static void line6_disconnect(struct usb_interface *interface) break; case LINE6_DEVID_PODXTLIVE: - switch(interface_number) { + switch (interface_number) { case PODXTLIVE_INTERFACE_POD: pod_disconnect(interface); break; @@ -985,8 +1036,8 @@ static void line6_disconnect(struct usb_interface *interface) dev_info(&interface->dev, "Line6 %s now disconnected\n", line6->properties->name); - for(i = LINE6_MAX_DEVICES; i--;) - if(line6_devices[i] == line6) + for (i = LINE6_MAX_DEVICES; i--;) + if (line6_devices[i] == line6) line6_devices[i] = NULL; } @@ -1013,7 +1064,8 @@ static int __init line6_init(void) { int i, retval; - printk("%s driver version %s%s\n", DRIVER_NAME, DRIVER_VERSION, DRIVER_REVISION); + printk(KERN_INFO "%s driver version %s%s\n", + DRIVER_NAME, DRIVER_VERSION, DRIVER_REVISION); line6_workqueue = create_workqueue(DRIVER_NAME); if (line6_workqueue == NULL) { @@ -1021,12 +1073,12 @@ static int __init line6_init(void) return -EINVAL; } - for(i = LINE6_MAX_DEVICES; i--;) + for (i = LINE6_MAX_DEVICES; i--;) line6_devices[i] = NULL; retval = usb_register(&line6_driver); - if(retval) + if (retval) err("usb_register failed. Error number %d", retval); return retval; |