ASoC: Fix incorrect register cache size configuration

The reg_cache_size is the number of elements in the register cache,
not the size of the cache itself. This is not a problem if the size
of each element of the cache is 1 byte but it matters in any other
case.

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/wm8900.c b/sound/soc/codecs/wm8900.c
index 1378aab..25c8ccd 100644
--- a/sound/soc/codecs/wm8900.c
+++ b/sound/soc/codecs/wm8900.c
@@ -1256,7 +1256,7 @@
 	.resume =	wm8900_resume,
 	.set_bias_level = wm8900_set_bias_level,
 	.volatile_register = wm8900_volatile_register,
-	.reg_cache_size = sizeof(wm8900_reg_defaults),
+	.reg_cache_size = ARRAY_SIZE(wm8900_reg_defaults),
 	.reg_word_size = sizeof(u16),
 	.reg_cache_default = wm8900_reg_defaults,
 };