/*
Send sysex message in pieces of wMaxPacketSize bytes.
*/
int line6_send_sysex_message_async(struct usb_line6 *line6, const char *buffer,
int size)
{
return line6_send_raw_message_async(line6, buffer,
size + SYSEX_EXTRA_SIZE) -
SYSEX_EXTRA_SIZE;
}
static void variax_activate_timeout(unsigned long arg)
{
struct usb_line6_variax *variax = (struct usb_line6_variax *)arg;
variax->buffer_activate[VARIAX_OFFSET_ACTIVATE] = 1;
line6_send_raw_message_async(&variax->line6, variax->buffer_activate,
sizeof(variax_activate));
}
int line6_dump_request_async(struct line6_dump_request *l6dr,
struct usb_line6 *line6, int num)
{
int ret;
line6_invalidate_current(l6dr);
ret = line6_send_raw_message_async(line6, l6dr->reqbufs[num].buffer,
l6dr->reqbufs[num].length);
if (ret < 0)
line6_dump_finished(l6dr);
return ret;
}
/*
Send asynchronous device version request.
*/
int line6_version_request_async(struct usb_line6 *line6)
{
char *buffer;
int retval;
buffer = kmemdup(line6_request_version,
sizeof(line6_request_version), GFP_ATOMIC);
if (buffer == NULL)
return -ENOMEM;
retval = line6_send_raw_message_async(line6, buffer,
sizeof(line6_request_version));
kfree(buffer);
return retval;
}
/*
"write" request on "active" special file.
*/
static ssize_t variax_set_active(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct usb_line6_variax *variax = usb_get_intfdata(to_usb_interface(dev));
unsigned long value;
int ret;
ret = strict_strtoul(buf, 10, &value);
if (ret)
return ret;
variax->buffer_activate[VARIAX_OFFSET_ACTIVATE] = value ? 1: 0;
line6_send_raw_message_async(&variax->line6, variax->buffer_activate,
sizeof(variax_activate));
return count;
}
/*
Send asynchronous device version request.
*/
int line6_version_request_async(struct usb_line6 *line6)
{
char *buffer;
int retval;
buffer = kmalloc(sizeof(line6_request_version), GFP_ATOMIC);
if (buffer == NULL) {
dev_err(line6->ifcdev, "Out of memory");
return -ENOMEM;
}
memcpy(buffer, line6_request_version, sizeof(line6_request_version));
retval = line6_send_raw_message_async(line6, buffer,
sizeof(line6_request_version));
kfree(buffer);
return retval;
}
static void variax_activate_async(struct usb_line6_variax *variax, int a)
{
variax->buffer_activate[VARIAX_OFFSET_ACTIVATE] = a;
line6_send_raw_message_async(&variax->line6, variax->buffer_activate,
sizeof(variax_activate));
}
/*
Send asynchronous device version request.
*/
int line6_version_request_async(struct usb_line6 *line6)
{
return line6_send_raw_message_async(line6, line6_request_version,
sizeof(line6_request_version0));
}
