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mISDN: Echo canceler now gets delay information from hardware

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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>
This commit is contained in:
Andreas Eversberg
2009-05-22 11:04:46 +00:00
committed by David S. Miller
parent a5355c27d2
commit 7cfa153dd7
10 changed files with 60 additions and 41 deletions
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4
drivers/isdn/hardware/mISDN/hfcsusb.c
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@@ -947,7 +947,7 @@ hfcsusb_rx_frame(struct usb_fifo *fifo, __u8 *data, unsigned int len,
if (fifo->dch)
recv_Dchannel(fifo->dch);
if (fifo->bch)
recv_Bchannel(fifo->bch);
recv_Bchannel(fifo->bch, MISDN_ID_ANY);
if (fifo->ech)
recv_Echannel(fifo->ech,
&hw->dch);
@@ -969,7 +969,7 @@ hfcsusb_rx_frame(struct usb_fifo *fifo, __u8 *data, unsigned int len,
} else {
/* deliver transparent data to layer2 */
if (rx_skb->len >= poll)
recv_Bchannel(fifo->bch);
recv_Bchannel(fifo->bch, MISDN_ID_ANY);
}
spin_unlock(&hw->lock);
}