ASoC: wm8727: 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/wm8727.c

@@ -23,6 +23,16 @@
 #include <sound/initval.h>
 #include <sound/soc.h>
 
+static const struct snd_soc_dapm_widget wm8727_dapm_widgets[] = {
+SND_SOC_DAPM_OUTPUT("VOUTL"),
+SND_SOC_DAPM_OUTPUT("VOUTR"),
+};
+
+static const struct snd_soc_dapm_route wm8727_dapm_routes[] = {
+	{ "VOUTL", NULL, "Playback" },
+	{ "VOUTR", NULL, "Playback" },
+};
+
 /*
  * Note this is a simple chip with no configuration interface, sample rate is
  * determined automatically by examining the Master clock and Bit clock ratios
@@ -43,7 +53,12 @@ static struct snd_soc_dai_driver wm8727_dai = {
 		},
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_wm8727;
+static struct snd_soc_codec_driver soc_codec_dev_wm8727 = {
+	.dapm_widgets = wm8727_dapm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(wm8727_dapm_widgets),
+	.dapm_routes = wm8727_dapm_routes,
+	.num_dapm_routes = ARRAY_SIZE(wm8727_dapm_routes),
+};
 
 static int wm8727_probe(struct platform_device *pdev)
 {