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, 3 insertions, 2 deletions

diff --git a/drivers/isdn/mISDN/dsp_pipeline.c b/drivers/isdn/mISDN/dsp_pipeline.c
index 18cf87c113e7..ac61f198eb32 100644
--- a/drivers/isdn/mISDN/dsp_pipeline.c
+++ b/drivers/isdn/mISDN/dsp_pipeline.c
@@ -347,7 +347,8 @@ void dsp_pipeline_process_tx(struct dsp_pipeline *pipeline, u8 *data, int len)
                         entry->elem->process_tx(entry->p, data, len);
 }
 
-void dsp_pipeline_process_rx(struct dsp_pipeline *pipeline, u8 *data, int len)
+void dsp_pipeline_process_rx(struct dsp_pipeline *pipeline, u8 *data, int len,
+        unsigned int txlen)
 {
         struct dsp_pipeline_entry *entry;
 
@@ -356,7 +357,7 @@ void dsp_pipeline_process_rx(struct dsp_pipeline *pipeline, u8 *data, int len)
 
         list_for_each_entry_reverse(entry, &pipeline->list, list)
                 if (entry->elem->process_rx)
-                        entry->elem->process_rx(entry->p, data, len);
+                        entry->elem->process_rx(entry->p, data, len, txlen);
 }