bf3fe05dfb
This needs some more testing before it's on by default. If the card is otherwise functioning, these messages may be confusing to the user. If the card is not functioning, the driver can be reloaded with debug to check for this condition. Signed-off-by: Shaun Ruffell <sruffell@digium.com> git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@9205 a0bf4364-ded3-4de4-8d8a-66a801d63aff
74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
/*
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* ADT Line Echo Canceller Parameter Parsing
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*
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* Copyright (C) 2008-2009 Digium, Inc.
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*
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* Kevin P. Fleming <kpfleming@digium.com>
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*
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* All rights reserved.
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*
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*/
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/*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2 as published by the
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* Free Software Foundation. See the LICENSE file included with
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* this program for more details.
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*/
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#ifndef _ADT_LEC_C
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#define _ADT_LEC_C
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#include <linux/ctype.h>
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static inline void adt_lec_init_defaults(struct adt_lec_params *params, __u32 tap_length)
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{
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params->tap_length = tap_length;
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params->nlp_type = 0;
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params->nlp_max_suppress = 0;
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params->nlp_threshold = 0;
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}
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static int adt_lec_parse_params(struct adt_lec_params *params,
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struct dahdi_echocanparams *ecp, struct dahdi_echocanparam *p)
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{
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unsigned int x;
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char *c;
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params->tap_length = ecp->tap_length;
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for (x = 0; x < ecp->param_count; x++) {
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for (c = p[x].name; *c; c++)
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*c = tolower(*c);
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if (!strcmp(p[x].name, "nlp_type")) {
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switch (p[x].value) {
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case ADT_LEC_NLP_OFF:
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case ADT_LEC_NLP_MUTE:
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case ADT_LEC_RANDOM_NOISE:
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case ADT_LEC_HOTH_NOISE:
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case ADT_LEC_SUPPRESS:
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params->nlp_type = p[x].value;
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break;
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default:
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return -EINVAL;
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}
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} else if (!strcmp(p[x].name, "nlp_thresh")) {
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params->nlp_threshold = p[x].value;
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} else if (!strcmp(p[x].name, "nlp_suppress")) {
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params->nlp_max_suppress = p[x].value;
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} else {
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return -EINVAL;
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}
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}
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return 0;
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}
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#endif /* _ADT_LEC_C */
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