ASoC: WM8995: Remember to flush the cache on resume

Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wm8995.c b/sound/soc/codecs/wm8995.c
index 3d2110c..96e0dc0 100644
--- a/sound/soc/codecs/wm8995.c
+++ b/sound/soc/codecs/wm8995.c
@@ -1498,6 +1498,7 @@
 	case SND_SOC_BIAS_OFF:
 		snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
 				    WM8995_BG_ENA_MASK, 0);
+		codec->cache_sync = 1;
 		break;
 	}