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authorJyri Sarha <jsarha@ti.com>2013-12-20 10:40:16 (GMT)
committerMark Brown <broonie@linaro.org>2013-12-31 13:26:44 (GMT)
commit0f7f3d1f17c2e4d73e449e6acb2007b13813c58e (patch)
tree6108bb07c203215a6a4e45f436e840214278ae6f
parentc600e95360dac3a3b88f0a2106214dff8e5f56be (diff)
downloadlinux-0f7f3d1f17c2e4d73e449e6acb2007b13813c58e.tar.xz
ASoC: hdmi-codec: Add devicetree binding with documentation
Signed-off-by: Jyri Sarha <jsarha@ti.com> cc: bcousson@baylibre.com Signed-off-by: Mark Brown <broonie@linaro.org>
-rw-r--r--Documentation/devicetree/bindings/sound/hdmi.txt17
-rw-r--r--sound/soc/codecs/hdmi.c10
2 files changed, 27 insertions, 0 deletions
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 32797a8..9cb1c7d 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,