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ASoC: soc-core: add snd_soc_of_parse_node_prefix()

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Current ASoC has snd_soc_of_parse_audio_prefix() to get codec_conf
settings from DT which is used to avoid DAI naming conflict when
CPU/Codec matching.

Currently, it is parsing from "top node",
but, we want to parse from "each sub node" if sound card had multi
cpus/codecs.

This patch adds new snd_soc_of_parse_node_prefix() to allow parsing
settings from selected node.
It is keeping existing snd_soc_of_parse_audio_prefix() by using macro.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2018-11-22 00:55:09 +00:00 committed by Mark Brown
parent 6debd01a74
commit 3b7103562c
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 10 additions and 7 deletions
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6
include/sound/soc.h
View File

@ -1477,10 +1477,14 @@ int snd_soc_of_parse_tdm_slot(struct device_node *np,
unsigned int *rx_mask,
unsigned int *slots,
unsigned int *slot_width);
void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
void snd_soc_of_parse_node_prefix(struct device_node *np,
struct snd_soc_codec_conf *codec_conf,
struct device_node *of_node,
const char *propname);
#define snd_soc_of_parse_audio_prefix(card, conf, node, name) \
snd_soc_of_parse_node_prefix((card)->dev->of_node, \
(conf), (node), (name))
int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
const char *propname);
unsigned int snd_soc_of_parse_daifmt(struct device_node *np,

11
sound/soc/soc-core.c
View File

@ -3484,12 +3484,11 @@ int snd_soc_of_parse_tdm_slot(struct device_node *np,
}
EXPORT_SYMBOL_GPL(snd_soc_of_parse_tdm_slot);
void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
struct snd_soc_codec_conf *codec_conf,
struct device_node *of_node,
const char *propname)
void snd_soc_of_parse_node_prefix(struct device_node *np,
struct snd_soc_codec_conf *codec_conf,
struct device_node *of_node,
const char *propname)
{
struct device_node *np = card->dev->of_node;
const char *str;
int ret;
@ -3502,7 +3501,7 @@ void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
codec_conf->of_node = of_node;
codec_conf->name_prefix = str;
}
EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_prefix);
EXPORT_SYMBOL_GPL(snd_soc_of_parse_node_prefix);
int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
const char *propname)