ASoC: Allow GPIO jack detection to be configured as a wake source

Some systems wish to use jacks as wake sources. Provide a wake flag in the
GPIO configuration which causes the driver to enable the IRQ as a wake
source.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 4ccf1e4..fb57c33 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -436,6 +436,7 @@
  * @report:       value to report when jack detected
  * @invert:       report presence in low state
  * @debouce_time: debouce time in ms
+ * @wake:	  enable as wake source
  */
 #ifdef CONFIG_GPIOLIB
 struct snd_soc_jack_gpio {
@@ -444,6 +445,8 @@
 	int report;
 	int invert;
 	int debounce_time;
+	bool wake;
+
 	struct snd_soc_jack *jack;
 	struct delayed_work work;