ASoC: spdif_transmitter: Add DT support.

Add devicetree support for this dummy audio soc driver.

Signed-off-by: Michal Bachraty <michal.bachraty@streamunlimited.com>
Signed-off-by: Marek Belisko <marek.belisko@streamunlimited.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/Documentation/devicetree/bindings/sound/spdif-transmitter.txt b/Documentation/devicetree/bindings/sound/spdif-transmitter.txt
new file mode 100644 (file)
index 0000000..55a8584
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/spdif-transmitter.txt
@@ -0,0 +1,10 @@
+Device-Tree bindings for dummy spdif transmitter
+
+Required properties:
+       - compatible: should be "linux,spdif-dit".
+
+Example node:
+
+       codec: spdif-transmitter {
+               compatible = "linux,spdif-dit";
+       };

diff --git a/sound/soc/codecs/spdif_transmitter.c b/sound/soc/codecs/spdif_transmitter.c
index 112a49d66e3967847517b495872baa606a967189..18280499fd554ee13ca7f9c17d86c8594a40d8bb 100644 (file)
--- a/sound/soc/codecs/spdif_transmitter.c
+++ b/sound/soc/codecs/spdif_transmitter.c
@@ -20,6 +20,7 @@
 #include <sound/soc.h>
 #include <sound/pcm.h>
 #include <sound/initval.h>
+#include <linux/of.h>
 
 #define DRV_NAME "spdif-dit"
 
@@ -52,12 +53,21 @@ static int spdif_dit_remove(struct platform_device *pdev)
        return 0;
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id spdif_dit_dt_ids[] = {
+       { .compatible = "linux,spdif-dit", },
+       { }
+};
+MODULE_DEVICE_TABLE(of, spdif_dit_dt_ids);
+#endif
+
 static struct platform_driver spdif_dit_driver = {
        .probe          = spdif_dit_probe,
        .remove         = spdif_dit_remove,
        .driver         = {
                .name   = DRV_NAME,
                .owner  = THIS_MODULE,
+               .of_match_table = of_match_ptr(spdif_dit_dt_ids),
        },
 };