From: Mengdong Lin mengdong.lin@linux.intel.com

Enum controls may use text elements and need the number of strings.

This patch adds a text child object for a generic element. When parsing a text section from the configuation file, store the text strings and number of strings (num_items) in the text child object of the element.

Reported-by: G Kranthi gudishax.kranthikumar@intel.com Signed-off-by: Mengdong Lin mengdong.lin@linux.intel.com

diff --git a/src/topology/ctl.c b/src/topology/ctl.c index 54f8e44..907a97f 100644 --- a/src/topology/ctl.c +++ b/src/topology/ctl.c @@ -159,9 +159,11 @@ static void copy_enum_texts(struct tplg_elem *enum_elem, struct tplg_elem *ref_elem) { struct snd_soc_tplg_enum_control *ec = enum_elem->enum_ctrl; + struct tplg_texts *texts = ref_elem->texts;

- memcpy(ec->texts, ref_elem->texts, + memcpy(ec->texts, texts->items, SND_SOC_TPLG_NUM_TEXTS * SNDRV_CTL_ELEM_ID_NAME_MAXLEN); + ec->items += texts->num_items; }

/* check referenced text for a enum control */ diff --git a/src/topology/elem.c b/src/topology/elem.c index 1a5ac84..db26483 100644 --- a/src/topology/elem.c +++ b/src/topology/elem.c @@ -159,6 +159,7 @@ struct tplg_elem* tplg_elem_new_common(snd_tplg_t *tplg, break; case SND_TPLG_TYPE_TEXT: list_add_tail(&elem->list, &tplg->text_list); + obj_size = sizeof(struct tplg_texts); break; case SND_TPLG_TYPE_TLV: list_add_tail(&elem->list, &tplg->tlv_list); diff --git a/src/topology/text.c b/src/topology/text.c index 0c6594a..303fbeb 100644 --- a/src/topology/text.c +++ b/src/topology/text.c @@ -25,6 +25,7 @@

static int parse_text_values(snd_config_t *cfg, struct tplg_elem *elem) { + struct tplg_texts *texts = elem->texts; snd_config_iterator_t i, next; snd_config_t *n; const char *value = NULL; @@ -44,13 +45,14 @@ static int parse_text_values(snd_config_t *cfg, struct tplg_elem *elem) if (snd_config_get_string(n, &value) < 0) continue;

- elem_copy_text(&elem->texts[j][0], value, + elem_copy_text(&texts->items[j][0], value, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); - tplg_dbg("\t%s\n", &elem->texts[j][0]); + tplg_dbg("\t%s\n", &texts->items[j][0]);

j++; }

+ texts->num_items = j; return 0; }

diff --git a/src/topology/tplg_local.h b/src/topology/tplg_local.h index f913563..eb2f7bd 100644 --- a/src/topology/tplg_local.h +++ b/src/topology/tplg_local.h @@ -91,6 +91,11 @@ struct tplg_ref { struct list_head list; };

+struct tplg_texts { + unsigned int num_items; + char items[SND_SOC_TPLG_NUM_TEXTS][SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; +}; + /* element for vendor tokens */ struct tplg_token { char id[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; @@ -128,9 +133,6 @@ struct tplg_elem {

char id[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];

- /* storage for texts and data if this is text or data elem*/ - char texts[SND_SOC_TPLG_NUM_TEXTS][SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; - int index; enum snd_tplg_type type;

@@ -155,6 +157,7 @@ struct tplg_elem {

/* these do not map to UAPI structs but are internal only */ struct snd_soc_tplg_ctl_tlv *tlv; + struct tplg_texts *texts; struct snd_soc_tplg_private *data; struct tplg_vendor_tokens *tokens; struct tplg_vendor_tuples *tuples;