snd_ump_convert_from_ump
size = snd_ump_convert_from_ump(ep->ump->input_buf, outbuf,
int snd_ump_convert_from_ump(const u32 *data, unsigned char *dst,
size = snd_ump_convert_from_ump(src, buf, &group);
EXPORT_SYMBOL_GPL(snd_ump_convert_from_ump);