ASoC: Add signal generator widget type
A signal generator behaves as an input would but is not considered for
any of the special behaviour associated with external input pins. This
is especially useful when automatically working out not connected widgets.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index da5c1ae..6bb327e 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -339,6 +339,7 @@
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 @@
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 @@
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: