ASoC: Route Mic Bias in Visstrim_M10 board.
Visstrim_M10 board uses an external microphone
that can be enabled/disabled by the user
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/imx/mx27vis-aic32x4.c b/sound/soc/imx/mx27vis-aic32x4.c
index 3c2eed9..d37e23c 100644
--- a/sound/soc/imx/mx27vis-aic32x4.c
+++ b/sound/soc/imx/mx27vis-aic32x4.c
@@ -74,6 +74,24 @@
.hw_params = mx27vis_aic32x4_hw_params,
};
+static const struct snd_kcontrol_new mx27vis_aic32x4_controls[] = {
+ SOC_DAPM_PIN_SWITCH("External Mic"),
+};
+
+static const struct snd_soc_dapm_widget aic32x4_dapm_widgets[] = {
+ SND_SOC_DAPM_MIC("External Mic", NULL),
+};
+
+static const struct snd_soc_dapm_route aic32x4_dapm_routes[] = {
+ {"Mic Bias", NULL, "External Mic"},
+ {"IN1_R", NULL, "Mic Bias"},
+ {"IN2_R", NULL, "Mic Bias"},
+ {"IN3_R", NULL, "Mic Bias"},
+ {"IN1_L", NULL, "Mic Bias"},
+ {"IN2_L", NULL, "Mic Bias"},
+ {"IN3_L", NULL, "Mic Bias"},
+};
+
static struct snd_soc_dai_link mx27vis_aic32x4_dai = {
.name = "tlv320aic32x4",
.stream_name = "TLV320AIC32X4",
@@ -89,6 +107,12 @@
.owner = THIS_MODULE,
.dai_link = &mx27vis_aic32x4_dai,
.num_links = 1,
+ .controls = mx27vis_aic32x4_controls,
+ .num_controls = ARRAY_SIZE(mx27vis_aic32x4_controls),
+ .dapm_widgets = aic32x4_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(aic32x4_dapm_widgets),
+ .dapm_routes = aic32x4_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(aic32x4_dapm_routes),
};
static struct platform_device *mx27vis_aic32x4_snd_device;