isdn/mISDN/dsp_cmx.c

36  * other but will not receive their own speech (echo) if not enabled.
157 		       odsp->name, odsp->echo.hardware, odsp->echo.software,
402 		/* process hw echo */
405 		if (!dsp->echo.software && !dsp->echo.hardware) {
411 					       " dsp is split (no echo)\n",
423 		/* echo is enabled, find out if we use soft or hardware */
424 		dsp->echo.software = dsp->tx_data;
425 		dsp->echo.hardware = 0;
426 		/* ECHO: already echo */
429 			dsp->echo.hardware = 1;
439 				       "%s refresh %s for echo using slot %d\n",
444 			dsp->echo.hardware = 1;
471 				       "%s no slot available for echo\n",
474 			dsp->echo.software = 1;
484 			       "%s assign echo for %s using slot %d\n",
488 		dsp->echo.hardware = 1;
557 		/* check if member has echo turned on */
558 		if (member->dsp->echo.hardware || member->dsp->echo.software) {
562 				       "echo is turned on\n", __func__,
1316 	     dsp->echo.hardware) && /* OR hardware echo */
1325 		if (dsp->echo.software && dsp->echo.hardware)
1409 		/* -> if echo is NOT enabled */
1410 		if (!dsp->echo.software) {
1423 			/* -> if echo is enabled */
1426 			 * -> mix tx-data with echo if available,
1427 			 * or use echo only
1435 				*d++ = q[r]; /* echo */
1459 		/* -> if echo is NOT enabled */
1460 		if (!dsp->echo.software) {
1474 			/* -> if echo is enabled */
1477 			 * -> mix other member's rx-data with echo,
1489 				/* tx-data + rx_data + echo */
1504 	/* -> if echo is NOT enabled */
1505 	if (!dsp->echo.software) {
1532 		/* -> if echo is enabled */
1545 			/* conf(echo)+tx */
1556 			/* conf(echo) */
1921 		/* in case of software echo */
1922 		if (dsp->echo.software) {
1938 		if (dsp->echo.software || member->dsp != dsp) {