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topology: Parse link flags of physical DAI links

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Parse physical DAI link flags defined by text conf file or C API.
The flag mask and flags are added to C API template for physical DAI
links.

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 2016-11-06 13:14:15 +08:00 • committed by Takashi Iwai
parent f7bf8b0cc8
commit 2894c31816
2 changed files with 41 additions and 0 deletions
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8
include/topology.h
View file

@ -639,6 +639,11 @@ extern "C" {
*
* default_hw_conf_id "1" #default HW config ID for init
*
* # Optional boolean flags
* symmetric_rates "true"
* symmetric_channels "false"
* symmetric_sample_bits "true"
*
* data "name" # optional private data
* }
* </pre>
@ -988,6 +993,9 @@ struct snd_tplg_link_template {
struct snd_tplg_hw_config_template *hw_config; /*!< supported HW configs */
int num_hw_configs; /* number of hw configs */
int default_hw_config_id; /* default hw config ID for init */
unsigned int flag_mask; /* bitmask of flags to configure */
unsigned int flags; /* SND_SOC_TPLG_LNK_FLGBIT_* flag value */
};
/** \struct snd_tplg_obj_template

33
src/topology/pcm.c
View file

@ -664,6 +664,35 @@ int tplg_parse_link(snd_tplg_t *tplg,
continue;
}
/* flags */
if (strcmp(id, "symmetric_rates") == 0) {
err = parse_flag(n,
SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES,
&link->flag_mask, &link->flags);
if (err < 0)
return err;
continue;
}
if (strcmp(id, "symmetric_channels") == 0) {
err = parse_flag(n,
SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS,
&link->flag_mask, &link->flags);
if (err < 0)
return err;
continue;
}
if (strcmp(id, "symmetric_sample_bits") == 0) {
err = parse_flag(n,
SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS,
&link->flag_mask, &link->flags);
if (err < 0)
return err;
continue;
}
/* private data */
if (strcmp(id, "data") == 0) {
err = tplg_parse_data_refs(n, elem);
if (err < 0)
@ -1010,5 +1039,9 @@ int tplg_add_link_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t)
link->default_hw_config_id = link_tpl->default_hw_config_id;
for (i = 0; i < link->num_hw_configs; i++)
set_link_hw_config(&link->hw_config[i], &link_tpl->hw_config[i]);
/* flags */
link->flag_mask = link_tpl->flag_mask;
link->flags = link_tpl->flags;
return 0;
}