ASoC: dapm: Ignore isolated signal generators for power purposes
A signal generator has no power control itself and so shouldn't cause a
power up of the device.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 4973545..ec58a31 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -1435,9 +1435,13 @@
/* Supplies and micbiases only bring the
* context up to STANDBY as unless something
* else is active and passing audio they
- * generally don't require full power.
+ * generally don't require full power. Signal
+ * generators are virtual pins and have no
+ * power impact themselves.
*/
switch (w->id) {
+ case snd_soc_dapm_siggen:
+ break;
case snd_soc_dapm_supply:
case snd_soc_dapm_regulator_supply:
case snd_soc_dapm_micbias: