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ASoC: wsa883x: add function to get swr device number

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Add a function in wsa883x which returns the sound wire
device number for a given wsa883x codec slave instance.

Change-Id: Ie3d0e309870f488b1643a853bcddcf93314d94b5
Signed-off-by: Vignesh Kulothungan <vigneshk@codeaurora.org>
This commit is contained in:
Vignesh Kulothungan
2020-08-05 23:26:06 -07:00
committed by Gerrit - the friendly Code Review server
parent d135c72b0b
commit 912fd67d6c
2 changed files with 29 additions and 0 deletions
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24
asoc/codecs/wsa883x/wsa883x.c
View File

@@ -801,6 +801,30 @@ int wsa883x_codec_info_create_codec_entry(struct snd_info_entry *codec_root,
}
EXPORT_SYMBOL(wsa883x_codec_info_create_codec_entry);
/*
* wsa883x_codec_get_dev_num - returns swr device number
* @component: Codec instance
*
* Return: swr device number on success or negative error
* code on failure.
*/
int wsa883x_codec_get_dev_num(struct snd_soc_component *component)
{
struct wsa883x_priv *wsa883x;
if (!component)
return -EINVAL;
wsa883x = snd_soc_component_get_drvdata(component);
if (!wsa883x) {
pr_err("%s: wsa883x component is NULL\n", __func__);
return -EINVAL;
}
return wsa883x->swr_slave->dev_num;
}
EXPORT_SYMBOL(wsa883x_codec_get_dev_num);
static int wsa883x_get_compander(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{

5
asoc/codecs/wsa883x/wsa883x.h
View File

@@ -21,6 +21,7 @@ int wsa883x_set_channel_map(struct snd_soc_component *component,
int wsa883x_codec_info_create_codec_entry(
struct snd_info_entry *codec_root,
struct snd_soc_component *component);
int wsa883x_codec_get_dev_num(struct snd_soc_component *component);
#else
static int wsa883x_set_channel_map(struct snd_soc_component *component,
u8 *port, u8 num_port, unsigned int *ch_mask,
@@ -36,6 +37,10 @@ static int wsa883x_codec_info_create_codec_entry(
return 0;
}
static int wsa883x_codec_get_dev_num(struct snd_soc_component *component)
{
return 0;
}
#endif
#endif /* _WSA883X_H */