ASoC: cs4270: Add DAPM support

This makes it possible to hook the device into a more complex board and
ensures it will continue to work with non-DAPM support removed from the
core.

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

sound/soc/codecs/cs4270.c

@@ -139,6 +139,22 @@ struct cs4270_private {
 	struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)];
 };
 
+static const struct snd_soc_dapm_widget cs4270_dapm_widgets[] = {
+SND_SOC_DAPM_INPUT("AINL"),
+SND_SOC_DAPM_INPUT("AINR"),
+
+SND_SOC_DAPM_OUTPUT("AOUTL"),
+SND_SOC_DAPM_OUTPUT("AOUTR"),
+};
+
+static const struct snd_soc_dapm_route cs4270_dapm_routes[] = {
+	{ "Capture", NULL, "AINA" },
+	{ "Capture", NULL, "AINB" },
+
+	{ "AOUTA", NULL, "Playback" },
+	{ "AOUTB", NULL, "Playback" },
+};
+
 /**
  * struct cs4270_mode_ratios - clock ratio tables
  * @ratio: the ratio of MCLK to the sample rate
@@ -612,6 +628,10 @@ static const struct snd_soc_codec_driver soc_codec_device_cs4270 = {
 
 	.controls =		cs4270_snd_controls,
 	.num_controls =		ARRAY_SIZE(cs4270_snd_controls),
+	.dapm_widgets =		cs4270_dapm_widgets,
+	.num_dapm_widgets =	ARRAY_SIZE(cs4270_dapm_widgets),
+	.dapm_routes =		cs4270_dapm_routes,
+	.num_dapm_routes =	ARRAY_SIZE(cs4270_dapm_routes),
 };
 
 /*