diff options
Diffstat (limited to 'drivers/gpu/drm/bridge/adv7511/adv7511_audio.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/adv7511/adv7511_audio.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c index cf92ebfe6ab7..67469c26bae8 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c @@ -11,6 +11,7 @@ #include <sound/hdmi-codec.h> #include <sound/pcm.h> #include <sound/soc.h> +#include <linux/of_graph.h> #include "adv7511.h" @@ -182,10 +183,31 @@ static void audio_shutdown(struct device *dev, void *data) { } +static int adv7511_hdmi_i2s_get_dai_id(struct snd_soc_component *component, + struct device_node *endpoint) +{ + struct of_endpoint of_ep; + int ret; + + ret = of_graph_parse_endpoint(endpoint, &of_ep); + if (ret < 0) + return ret; + + /* + * HDMI sound should be located as reg = <2> + * Then, it is sound port 0 + */ + if (of_ep.port == 2) + return 0; + + return -EINVAL; +} + static const struct hdmi_codec_ops adv7511_codec_ops = { .hw_params = adv7511_hdmi_hw_params, .audio_shutdown = audio_shutdown, .audio_startup = audio_startup, + .get_dai_id = adv7511_hdmi_i2s_get_dai_id, }; static struct hdmi_codec_pdata codec_data = { |
