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https://github.com/alsa-project/alsa-lib.git
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91 lines
2.1 KiB
C
91 lines
2.1 KiB
C
/*
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Copyright(c) 2014-2015 Intel Corporation
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All rights reserved.
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This library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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Authors: Mengdong Lin <mengdong.lin@intel.com>
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Yao Jin <yao.jin@intel.com>
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Liam Girdwood <liam.r.girdwood@linux.intel.com>
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*/
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#include "list.h"
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#include "tplg_local.h"
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#define TEXT_SIZE_MAX \
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(SND_SOC_TPLG_NUM_TEXTS * SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
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static int parse_text_values(snd_config_t *cfg, struct tplg_elem *elem)
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{
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struct tplg_texts *texts = elem->texts;
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snd_config_iterator_t i, next;
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snd_config_t *n;
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const char *value = NULL;
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int j = 0;
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tplg_dbg(" Text Values: %s\n", elem->id);
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snd_config_for_each(i, next, cfg) {
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n = snd_config_iterator_entry(i);
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if (j == SND_SOC_TPLG_NUM_TEXTS) {
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tplg_dbg("error: text string number exceeds %d\n", j);
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return -ENOMEM;
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}
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/* get value */
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if (snd_config_get_string(n, &value) < 0)
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continue;
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snd_strlcpy(&texts->items[j][0], value,
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SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
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tplg_dbg("\t%s\n", &texts->items[j][0]);
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j++;
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}
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texts->num_items = j;
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return 0;
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}
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/* Parse Text data */
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int tplg_parse_text(snd_tplg_t *tplg, snd_config_t *cfg,
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void *private ATTRIBUTE_UNUSED)
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{
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snd_config_iterator_t i, next;
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snd_config_t *n;
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const char *id;
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int err = 0;
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struct tplg_elem *elem;
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elem = tplg_elem_new_common(tplg, cfg, NULL, SND_TPLG_TYPE_TEXT);
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if (!elem)
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return -ENOMEM;
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snd_config_for_each(i, next, cfg) {
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n = snd_config_iterator_entry(i);
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if (snd_config_get_id(n, &id) < 0)
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continue;
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if (strcmp(id, "values") == 0) {
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err = parse_text_values(n, elem);
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if (err < 0) {
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SNDERR("error: failed to parse text values");
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return err;
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}
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continue;
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}
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}
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return err;
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}
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