Signed-off-by: Jyri Sarha jsarha@ti.com --- Documentation/devicetree/bindings/sound/hdmi.txt | 17 +++++++++++++++++ sound/soc/codecs/hdmi.c | 10 ++++++++++ 2 files changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/hdmi.txt
diff --git a/Documentation/devicetree/bindings/sound/hdmi.txt b/Documentation/devicetree/bindings/sound/hdmi.txt new file mode 100644 index 0000000..31af7bc --- /dev/null +++ b/Documentation/devicetree/bindings/sound/hdmi.txt @@ -0,0 +1,17 @@ +Device-Tree bindings for dummy HDMI codec + +Required properties: + - compatible: should be "linux,hdmi-audio". + +CODEC output pins: + * TX + +CODEC input pins: + * RX + +Example node: + + hdmi_audio: hdmi_audio@0 { + compatible = "linux,hdmi-audio"; + status = "okay"; + }; diff --git a/sound/soc/codecs/hdmi.c b/sound/soc/codecs/hdmi.c index 68342b1..6d2fcf1 100644 --- a/sound/soc/codecs/hdmi.c +++ b/sound/soc/codecs/hdmi.c @@ -20,6 +20,7 @@ */ #include <linux/module.h> #include <sound/soc.h> +#include <linux/of_device.h>
#define DRV_NAME "hdmi-audio-codec"
@@ -60,6 +61,14 @@ static struct snd_soc_dai_driver hdmi_codec_dai = {
};
+#ifdef CONFIG_OF +static const struct of_device_id hdmi_audio_codec_ids[] = { + { .compatible = "linux,hdmi-audio", }, + { } +}; +MODULE_DEVICE_TABLE(of, hdmi_audio_codec_ids); +#endif + static struct snd_soc_codec_driver hdmi_codec = { .dapm_widgets = hdmi_widgets, .num_dapm_widgets = ARRAY_SIZE(hdmi_widgets), @@ -83,6 +92,7 @@ static struct platform_driver hdmi_codec_driver = { .driver = { .name = DRV_NAME, .owner = THIS_MODULE, + .of_match_table = of_match_ptr(hdmi_audio_codec_ids), },
.probe = hdmi_codec_probe,