ASoC: cs4271: 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>
Acked-by: Alexander Sverdlin <subaparts@yandex.ru>

sound/soc/codecs/cs4271.c

@@ -173,6 +173,26 @@ struct cs4271_private {
 	bool				enable_soft_reset;
 };
 
+static const struct snd_soc_dapm_widget cs4271_dapm_widgets[] = {
+SND_SOC_DAPM_INPUT("AINA"),
+SND_SOC_DAPM_INPUT("AINB"),
+
+SND_SOC_DAPM_OUTPUT("AOUTA+"),
+SND_SOC_DAPM_OUTPUT("AOUTA-"),
+SND_SOC_DAPM_OUTPUT("AOUTB+"),
+SND_SOC_DAPM_OUTPUT("AOUTB-"),
+};
+
+static const struct snd_soc_dapm_route cs4271_dapm_routes[] = {
+	{ "Capture", NULL, "AINA" },
+	{ "Capture", NULL, "AINB" },
+
+	{ "AOUTA+", NULL, "Playback" },
+	{ "AOUTA-", NULL, "Playback" },
+	{ "AOUTB+", NULL, "Playback" },
+	{ "AOUTB-", NULL, "Playback" },
+};
+
 /*
  * @freq is the desired MCLK rate
  * MCLK rate should (c) be the sample rate, multiplied by one of the
@@ -598,6 +618,10 @@ static struct snd_soc_codec_driver soc_codec_dev_cs4271 = {
 
 	.controls		= cs4271_snd_controls,
 	.num_controls		= ARRAY_SIZE(cs4271_snd_controls),
+	.dapm_widgets		= cs4271_dapm_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(cs4271_dapm_widgets),
+	.dapm_routes		= cs4271_dapm_routes,
+	.num_dapm_routes	= ARRAY_SIZE(cs4271_dapm_routes),
 };
 
 #if defined(CONFIG_SPI_MASTER)