2 files changed, 11 insertions, 0 deletions

diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index 0c159a7d211e..d26a9b784772 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -43,6 +43,9 @@
         .num_kcontrols = 0}
 
 /* platform domain */
+#define SND_SOC_DAPM_SIGGEN(wname) \
+{       .id = snd_soc_dapm_siggen, .name = wname, .kcontrol_news = NULL, \
+        .num_kcontrols = 0, .reg = SND_SOC_NOPM }
 #define SND_SOC_DAPM_INPUT(wname) \
 {       .id = snd_soc_dapm_input, .name = wname, .kcontrol_news = NULL, \
         .num_kcontrols = 0, .reg = SND_SOC_NOPM }
@@ -410,6 +413,7 @@ enum snd_soc_dapm_type {
         snd_soc_dapm_supply,            /* power/clock supply */
         snd_soc_dapm_aif_in,            /* audio interface input */
         snd_soc_dapm_aif_out,           /* audio interface output */
+        snd_soc_dapm_siggen,            /* signal generator */
 };
 
 /*
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index da5c1ae7cc30..6bb327e431a5 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -339,6 +339,7 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
         case snd_soc_dapm_output:
         case snd_soc_dapm_adc:
         case snd_soc_dapm_input:
+        case snd_soc_dapm_siggen:
         case snd_soc_dapm_dac:
         case snd_soc_dapm_micbias:
         case snd_soc_dapm_vmid:
@@ -772,6 +773,11 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget)
                         return widget->inputs;
                 }
 
+                /* signal generator */
+                if (widget->id == snd_soc_dapm_siggen) {
+                        widget->inputs = snd_soc_dapm_suspend_check(widget);
+                        return widget->inputs;
+                }
         }
 
         list_for_each_entry(path, &widget->sources, list_sink) {
@@ -1982,6 +1988,7 @@ static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
         case snd_soc_dapm_out_drv:
         case snd_soc_dapm_input:
         case snd_soc_dapm_output:
+        case snd_soc_dapm_siggen:
         case snd_soc_dapm_micbias:
         case snd_soc_dapm_vmid:
         case snd_soc_dapm_pre: