[PATCH RFC 4/9] ASoC: hdmi-codec: Add devicetree binding with documentation
From: Jyri Sarha <hidden>
Date: 2013-11-19 12:12:24
Also in:
alsa-devel, dri-devel, linux-omap
Subsystem:
open firmware and flattened device tree bindings, sound, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Jaroslav Kysela, Takashi Iwai, Liam Girdwood, Mark Brown, Linus Torvalds
Signed-off-by: Jyri Sarha <redacted> --- 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 at 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,
--
1.7.9.5