diff options
| -rw-r--r-- | include/sound/soc-dapm.h | 17 | ||||
| -rw-r--r-- | sound/soc/soc-dapm.c | 72 |
2 files changed, 73 insertions, 16 deletions
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h index 1f30616afe7..bf4cf0c1d37 100644 --- a/include/sound/soc-dapm.h +++ b/include/sound/soc-dapm.h @@ -193,6 +193,7 @@ struct snd_soc_dapm_widget; enum snd_soc_dapm_type; struct snd_soc_dapm_path; struct snd_soc_dapm_pin; +struct snd_soc_dapm_route; /* dapm controls */ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, @@ -210,10 +211,12 @@ int snd_soc_dapm_new_controls(struct snd_soc_codec *codec, int num); /* dapm path setup */ -int snd_soc_dapm_connect_input(struct snd_soc_codec *codec, +int __deprecated snd_soc_dapm_connect_input(struct snd_soc_codec *codec, const char *sink_name, const char *control_name, const char *src_name); int snd_soc_dapm_new_widgets(struct snd_soc_codec *codec); void snd_soc_dapm_free(struct snd_soc_device *socdev); +int snd_soc_dapm_add_routes(struct snd_soc_codec *codec, + const struct snd_soc_dapm_route *route, int num); /* dapm events */ int snd_soc_dapm_stream_event(struct snd_soc_codec *codec, char *stream, @@ -250,6 +253,18 @@ enum snd_soc_dapm_type { snd_soc_dapm_post, /* machine specific post widget - exec last */ }; +/* + * DAPM audio route definition. + * + * Defines an audio route originating at source via control and finishing + * at sink. + */ +struct snd_soc_dapm_route { + const char *sink; + const char *control; + const char *source; +}; + /* dapm audio path between two widgets */ struct snd_soc_dapm_path { char *name; diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 811d6527101..1ef6d94b835 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -841,21 +841,8 @@ int snd_soc_dapm_sync_endpoints(struct snd_soc_codec *codec) } EXPORT_SYMBOL_GPL(snd_soc_dapm_sync_endpoints); -/** - * snd_soc_dapm_connect_input - connect dapm widgets - * @codec: audio codec - * @sink: name of target widget - * @control: mixer control name - * @source: name of source name - * - * Connects 2 dapm widgets together via a named audio path. The sink is - * the widget receiving the audio signal, whilst the source is the sender - * of the audio signal. - * - * Returns 0 for success else error. - */ -int snd_soc_dapm_connect_input(struct snd_soc_codec *codec, const char *sink, - const char * control, const char *source) +static int snd_soc_dapm_add_route(struct snd_soc_codec *codec, + const char *sink, const char *control, const char *source) { struct snd_soc_dapm_path *path; struct snd_soc_dapm_widget *wsource = NULL, *wsink = NULL, *w; @@ -957,9 +944,64 @@ err: kfree(path); return ret; } + +/** + * snd_soc_dapm_connect_input - connect dapm widgets + * @codec: audio codec + * @sink: name of target widget + * @control: mixer control name + * @source: name of source name + * + * Connects 2 dapm widgets together via a named audio path. The sink is + * the widget receiving the audio signal, whilst the source is the sender + * of the audio signal. + * + * This function has been deprecated in favour of snd_soc_dapm_add_routes(). + * + * Returns 0 for success else error. + */ +int snd_soc_dapm_connect_input(struct snd_soc_codec *codec, const char *sink, + const char *control, const char *source) +{ + return snd_soc_dapm_add_route(codec, sink, control, source); +} EXPORT_SYMBOL_GPL(snd_soc_dapm_connect_input); /** + * snd_soc_dapm_add_routes - Add routes between DAPM widgets + * @codec: codec + * @route: audio routes + * @num: number of routes + * + * Connects 2 dapm widgets together via a named audio path. The sink is + * the widget receiving the audio signal, whilst the source is the sender + * of the audio signal. + * + * Returns 0 for success else error. On error all resources can be freed + * with a call to snd_soc_card_free(). + */ +int snd_soc_dapm_add_routes(struct snd_soc_codec *codec, + const struct snd_soc_dapm_route *route, int num) +{ + int i, ret; + + for (i = 0; i < num; i++) { + ret = snd_soc_dapm_add_route(codec, route->sink, + route->control, route->source); + if (ret < 0) { + printk(KERN_ERR "Failed to add route %s->%s\n", + route->source, + route->sink); + return ret; + } + route++; + } + + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_dapm_add_routes); + +/** * snd_soc_dapm_new_widgets - add new dapm widgets * @codec: audio codec * |