mISDN: Echo canceler now gets delay information from hardware

Added tx-fifo information for calculation of current delay to sync tx and rx
streams for echo canceler.

Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <keil@b1-systems.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/mISDNdsp.h b/include/linux/mISDNdsp.h
index 6b71d2dce508..2c483d45f141 100644
--- a/include/linux/mISDNdsp.h
+++ b/include/linux/mISDNdsp.h
@@ -12,7 +12,8 @@ struct mISDN_dsp_element {
         void    *(*new)(const char *arg);
         void    (*free)(void *p);
         void    (*process_tx)(void *p, unsigned char *data, int len);
-        void    (*process_rx)(void *p, unsigned char *data, int len);
+        void    (*process_rx)(void *p, unsigned char *data, int len,
+                        unsigned int txlen);
         int     num_args;
         struct mISDN_dsp_element_arg
                 *args;