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ASoC: export snd_soc_of_get_slot_mask 

Amlogic's axg card driver can't use snd_soc_of_parse_tdm_slot()
directly because it needs to handle 4 mask for each direction.
Yet the parsing of each mask is the same, so export
snd_soc_of_get_slot_mask() to reuse the the existing code.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jerome Brunet 2018-07-17 17:43:02 +02:00 committed by Mark Brown
parent 13a22e6a98
commit cbdfab3b67
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 7 additions and 3 deletions
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3
include/sound/soc.h
View File

@ -1433,6 +1433,9 @@ int snd_soc_of_parse_card_name(struct snd_soc_card *card,
const char *propname); const char *propname);
int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
const char *propname); const char *propname);
int snd_soc_of_get_slot_mask(struct device_node *np,
const char *prop_name,
unsigned int *mask);
int snd_soc_of_parse_tdm_slot(struct device_node *np, int snd_soc_of_parse_tdm_slot(struct device_node *np,
unsigned int *tx_mask, unsigned int *tx_mask,
unsigned int *rx_mask, unsigned int *rx_mask,

7
sound/soc/soc-core.c
View File

@ -3428,9 +3428,9 @@ int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
} }
EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_simple_widgets); EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_simple_widgets);
static int snd_soc_of_get_slot_mask(struct device_node *np, int snd_soc_of_get_slot_mask(struct device_node *np,
const char *prop_name, const char *prop_name,
unsigned int *mask) unsigned int *mask)
{ {
u32 val; u32 val;
const __be32 *of_slot_mask = of_get_property(np, prop_name, &val); const __be32 *of_slot_mask = of_get_property(np, prop_name, &val);
@ -3445,6 +3445,7 @@ static int snd_soc_of_get_slot_mask(struct device_node *np,
return val; return val;
} }
EXPORT_SYMBOL_GPL(snd_soc_of_get_slot_mask);
int snd_soc_of_parse_tdm_slot(struct device_node *np, int snd_soc_of_parse_tdm_slot(struct device_node *np,
unsigned int *tx_mask, unsigned int *tx_mask,