-static long snd_opl4_mem_proc_write(snd_info_entry_t *entry, void *file_private_data,
- struct file *file, const char __user *_buf, long count)
+static long snd_opl4_mem_proc_write(struct snd_info_entry *entry, void *file_private_data,
+ struct file *file, const char __user *_buf,
+ unsigned long count, unsigned long pos)