Remove buf_change, add buf_alloc in subdevice structure

diff --git a/include/linux/comedidev.h b/include/linux/comedidev.h
index 4f8086c3021fee792446266f0f08c46cc85ec561..2e6dd2be0b01df7f65b460cba5ce05366f25eb8c 100644 (file)
--- a/include/linux/comedidev.h
+++ b/include/linux/comedidev.h
@@ -115,7 +115,8 @@ struct comedi_subdevice_struct{
        //int (*do_lock)(comedi_device *,comedi_subdevice *);
        //int (*do_unlock)(comedi_device *,comedi_subdevice *);
 
-       int (*buf_change)(comedi_device *,comedi_subdevice *s);
+       /* buffer allocation overload function */
+       int (*buf_alloc)(comedi_device *,comedi_subdevice *s,unsigned long new_size);
 
        unsigned int state;
 };