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topology: Add support for vendor tokens

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Vendor can define a token list in SectionVendorTokens. Each token element
is a pair of string ID and integer value. And both the ID and value are
vendor-specific.

Signed-off-by: Mengdong Lin <mengdong.lin@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Mengdong Lin 2016-04-07 15:29:36 +08:00 • committed by Takashi Iwai
parent 768a006089
commit 9b751b38cb
5 changed files with 79 additions and 0 deletions
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15
src/topology/tplg_local.h
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@ -69,6 +69,7 @@ struct snd_tplg {
struct list_head route_list;
struct list_head text_list;
struct list_head pdata_list;
struct list_head token_list;
struct list_head pcm_config_list;
struct list_head pcm_caps_list;
@ -86,6 +87,16 @@ struct tplg_ref {
struct list_head list;
};
/* element for vendor tokens */
struct tplg_token {
char id[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
unsigned int value;
};
struct tplg_vendor_tokens {
unsigned int num_tokens;
struct tplg_token token[0];
};
/* topology element */
struct tplg_elem {
@ -118,6 +129,7 @@ struct tplg_elem {
/* these do not map to UAPI structs but are internal only */
struct snd_soc_tplg_ctl_tlv *tlv;
struct snd_soc_tplg_private *data;
struct tplg_vendor_tokens *tokens;
};
/* an element may refer to other elements:
@ -151,6 +163,9 @@ int tplg_parse_text(snd_tplg_t *tplg, snd_config_t *cfg,
int tplg_parse_data(snd_tplg_t *tplg, snd_config_t *cfg,
void *private ATTRIBUTE_UNUSED);
int tplg_parse_tokens(snd_tplg_t *tplg, snd_config_t *cfg,
void *private ATTRIBUTE_UNUSED);
int tplg_parse_control_bytes(snd_tplg_t *tplg,
snd_config_t *cfg, void *private ATTRIBUTE_UNUSED);