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authorAndreas Eversberg <andreas@eversberg.eu>2009-05-22 11:04:46 +0000
committerDavid S. Miller <davem@davemloft.net>2009-05-25 00:51:31 -0700
commit7cfa153dd709f15188fe84b78ae76387841fe17b (patch)
tree35df67cef71397759e9fad76fb878fa439f26f45 /drivers/isdn/mISDN
parenta5355c27d26001865a5ac32c868c82a523c275d3 (diff)
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>
Diffstat (limited to 'drivers/isdn/mISDN')
-rw-r--r--drivers/isdn/mISDN/dsp.h2
-rw-r--r--drivers/isdn/mISDN/dsp_core.c2
-rw-r--r--drivers/isdn/mISDN/dsp_pipeline.c5
-rw-r--r--drivers/isdn/mISDN/hwchannel.c4
4 files changed, 7 insertions, 6 deletions
diff --git a/drivers/isdn/mISDN/dsp.h b/drivers/isdn/mISDN/dsp.h
index 0a4a362b89c..4a1c444d73a 100644
--- a/drivers/isdn/mISDN/dsp.h
+++ b/drivers/isdn/mISDN/dsp.h
@@ -262,5 +262,5 @@ extern int dsp_pipeline_build(struct dsp_pipeline *pipeline, const char *cfg);
extern void dsp_pipeline_process_tx(struct dsp_pipeline *pipeline, u8 *data,
int len);
extern void dsp_pipeline_process_rx(struct dsp_pipeline *pipeline, u8 *data,
- int len);
+ int len, unsigned int txlen);
diff --git a/drivers/isdn/mISDN/dsp_core.c b/drivers/isdn/mISDN/dsp_core.c
index 3083338716b..1c49368e0a9 100644
--- a/drivers/isdn/mISDN/dsp_core.c
+++ b/drivers/isdn/mISDN/dsp_core.c
@@ -710,7 +710,7 @@ dsp_function(struct mISDNchannel *ch, struct sk_buff *skb)
/* pipeline */
if (dsp->pipeline.inuse)
dsp_pipeline_process_rx(&dsp->pipeline, skb->data,
- skb->len);
+ skb->len, hh->id);
/* change volume if requested */
if (dsp->rx_volume)
dsp_change_volume(skb, dsp->rx_volume);
diff --git a/drivers/isdn/mISDN/dsp_pipeline.c b/drivers/isdn/mISDN/dsp_pipeline.c
index 18cf87c113e..ac61f198eb3 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);
}
diff --git a/drivers/isdn/mISDN/hwchannel.c b/drivers/isdn/mISDN/hwchannel.c
index ab1168a110a..0481a0cdf6d 100644
--- a/drivers/isdn/mISDN/hwchannel.c
+++ b/drivers/isdn/mISDN/hwchannel.c
@@ -185,13 +185,13 @@ recv_Echannel(struct dchannel *ech, struct dchannel *dch)
EXPORT_SYMBOL(recv_Echannel);
void
-recv_Bchannel(struct bchannel *bch)
+recv_Bchannel(struct bchannel *bch, unsigned int id)
{
struct mISDNhead *hh;
hh = mISDN_HEAD_P(bch->rx_skb);
hh->prim = PH_DATA_IND;
- hh->id = MISDN_ID_ANY;
+ hh->id = id;
if (bch->rcount >= 64) {
printk(KERN_WARNING "B-channel %p receive queue overflow, "
"fushing!\n", bch);