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| author | Vignesh Kulothungan <vigneshk@codeaurora.org> | 2020-08-05 23:26:06 -0700 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2020-11-16 07:23:34 -0800 |
| commit | 77ab1182b29e6e390fca1c31d68daccaf03db23c (patch) | |
| tree | 57baebfe9cbaee0df4cba76c6894008c6ddbc9c1 /asoc | |
| parent | 9ac902adbacbf38d599e9926dff7707e3b8de049 (diff) | |
| download | msm-extra-77ab1182b29e6e390fca1c31d68daccaf03db23c.tar.gz | |
ASoC: wsa883x: add function to get swr device number
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>
Diffstat (limited to 'asoc')
| -rw-r--r-- | asoc/codecs/wsa883x/wsa883x.c | 24 | ||||
| -rw-r--r-- | asoc/codecs/wsa883x/wsa883x.h | 5 |
2 files changed, 29 insertions, 0 deletions
diff --git a/asoc/codecs/wsa883x/wsa883x.c b/asoc/codecs/wsa883x/wsa883x.c index 8a5e99e4..edfeceee 100644 --- a/asoc/codecs/wsa883x/wsa883x.c +++ b/asoc/codecs/wsa883x/wsa883x.c @@ -770,6 +770,30 @@ 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) { diff --git a/asoc/codecs/wsa883x/wsa883x.h b/asoc/codecs/wsa883x/wsa883x.h index e080134e..bb719831 100644 --- a/asoc/codecs/wsa883x/wsa883x.h +++ b/asoc/codecs/wsa883x/wsa883x.h @@ -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 */ |