ALSA: ASoC: Allow machine drivers to mark pins as not connected

[linux-2.6-omap-h63xx.git] / sound / soc / soc-dapm.c

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 9ca9c08610fa85bfd7fa7967555f07e1c6ac8082..83fa9c47b6606aa128cdd9f39b76d1f0e0b37e0a 100644 (file)
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -1483,6 +1483,26 @@ int snd_soc_dapm_disable_pin(struct snd_soc_codec *codec, char *pin)
 }
 EXPORT_SYMBOL_GPL(snd_soc_dapm_disable_pin);
 
+/**
+ * snd_soc_dapm_nc_pin - permanently disable pin.
+ * @codec: SoC codec
+ * @pin: pin name
+ *
+ * Marks the specified pin as being not connected, disabling it along
+ * any parent or child widgets.  At present this is identical to
+ * snd_soc_dapm_disable_pin() but in future it will be extended to do
+ * additional things such as disabling controls which only affect
+ * paths through the pin.
+ *
+ * NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to
+ * do any widget power switching.
+ */
+int snd_soc_dapm_nc_pin(struct snd_soc_codec *codec, char *pin)
+{
+       return snd_soc_dapm_set_pin(codec, pin, 0);
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_nc_pin);
+
 /**
  * snd_soc_dapm_get_pin_status - get audio pin status
  * @codec: audio codec