Parse text lists (like enum values) and store for later attachment to other objects.
Signed-off-by: Liam Girdwood liam.r.girdwood@linux.intel.com --- src/topology/text.c | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100644 src/topology/text.c
diff --git a/src/topology/text.c b/src/topology/text.c new file mode 100644 index 0000000..ebb6e38 --- /dev/null +++ b/src/topology/text.c @@ -0,0 +1,88 @@ +/* + Copyright(c) 2014-2015 Intel Corporation + All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of version 2 of the GNU General Public License as + published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + Authors: Mengdong Lin mengdong.lin@intel.com + Yao Jin yao.jin@intel.com + Liam Girdwood liam.r.girdwood@linux.intel.com + +*/ + +#include "list.h" +#include "tplg_local.h" + +#define TEXT_SIZE_MAX \ + (SND_SOC_TPLG_NUM_TEXTS * SNDRV_CTL_ELEM_ID_NAME_MAXLEN) + +static int parse_text_values(snd_config_t *cfg, struct tplg_elem *elem) +{ + snd_config_iterator_t i, next; + snd_config_t *n; + const char *value = NULL; + int j = 0; + + tplg_dbg(" Text Values: %s\n", elem->id); + + snd_config_for_each(i, next, cfg) { + n = snd_config_iterator_entry(i); + + if (j == SND_SOC_TPLG_NUM_TEXTS) { + tplg_dbg("error: text string number exceeds %d\n", j); + return -ENOMEM; + } + + /* get value */ + if (snd_config_get_string(n, &value) < 0) + continue; + + elem_copy_text(&elem->texts[j][0], value, + SNDRV_CTL_ELEM_ID_NAME_MAXLEN); + tplg_dbg("\t%s\n", &elem->texts[j][0]); + + j++; + } + + return 0; +} + +/* Parse Text data */ +int tplg_parse_text(snd_tplg_t *tplg, snd_config_t *cfg, + void *private ATTRIBUTE_UNUSED) +{ + snd_config_iterator_t i, next; + snd_config_t *n; + const char *id; + int err = 0; + struct tplg_elem *elem; + + elem = tplg_elem_new_common(tplg, cfg, OBJECT_TYPE_TEXT); + if (!elem) + return -ENOMEM; + + snd_config_for_each(i, next, cfg) { + + n = snd_config_iterator_entry(i); + if (snd_config_get_id(n, &id) < 0) + continue; + + if (strcmp(id, "values") == 0) { + err = parse_text_values(n, elem); + if (err < 0) { + SNDERR("error: failed to parse text values"); + return err; + } + continue; + } + } + + return err; +}