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ASoC: dapm: Ignore isolated signal generators for power purposes

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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>
This commit is contained in:
Mark Brown 2012-01-25 19:55:22 +00:00
parent fb644e9ce0
commit afe62367e0
1 changed files with 5 additions and 1 deletions
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6
sound/soc/soc-dapm.c
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@ -1435,9 +1435,13 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
/* 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: