diff options
Diffstat (limited to 'sound/soc/generic/simple-card-utils.c')
| -rw-r--r-- | sound/soc/generic/simple-card-utils.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c index cfa70a56ff0f..9006ef5e95f5 100644 --- a/sound/soc/generic/simple-card-utils.c +++ b/sound/soc/generic/simple-card-utils.c @@ -1129,6 +1129,25 @@ parse_dai_end: } EXPORT_SYMBOL_GPL(graph_util_parse_dai); +int graph_util_parse_link_direction(struct device_node *np, + bool *playback_only, bool *capture_only) +{ + bool is_playback_only = false; + bool is_capture_only = false; + + is_playback_only = of_property_read_bool(np, "playback-only"); + is_capture_only = of_property_read_bool(np, "capture-only"); + + if (is_playback_only && is_capture_only) + return -EINVAL; + + *playback_only = is_playback_only; + *capture_only = is_capture_only; + + return 0; +} +EXPORT_SYMBOL_GPL(graph_util_parse_link_direction); + /* Module information */ MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); MODULE_DESCRIPTION("ALSA SoC Simple Card Utils"); |