ASoC: wm8782: Add DAPM support

In order to make the device easier to hook up to external components in
system designs and ensure operation when DAPM support becomes mandatory
add DAPM support.

Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/codecs/wm8782.c

@@ -26,6 +26,16 @@
 #include <sound/initval.h>
 #include <sound/soc.h>
 
+static const struct snd_soc_dapm_widget wm8782_dapm_widgets[] = {
+SND_SOC_DAPM_INPUT("AINL"),
+SND_SOC_DAPM_INPUT("AINR"),
+};
+
+static const struct snd_soc_dapm_route wm8782_dapm_routes[] = {
+	{ "Capture", NULL, "AINL" },
+	{ "Capture", NULL, "AINR" },
+};
+
 static struct snd_soc_dai_driver wm8782_dai = {
 	.name = "wm8782",
 	.capture = {
@@ -40,7 +50,12 @@ static struct snd_soc_dai_driver wm8782_dai = {
 	},
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_wm8782;
+static struct snd_soc_codec_driver soc_codec_dev_wm8782 = {
+	.dapm_widgets = wm8782_dapm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(wm8782_dapm_widgets),
+	.dapm_routes = wm8782_dapm_routes,
+	.num_dapm_routes = ARRAY_SIZE(wm8782_dapm_routes),
+};
 
 static int wm8782_probe(struct platform_device *pdev)
 {