From 28b5df1838b357c9e3e8eba02f684df3c0db05b3 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@ingics.com>
Date: Wed, 18 Nov 2015 16:24:56 +0800
Subject: ASoC: wm8904: Make undocumented registers non-readable

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/wm8904.c b/sound/soc/codecs/wm8904.c
index 2aa23f1..8172e49 100644
--- a/sound/soc/codecs/wm8904.c
+++ b/sound/soc/codecs/wm8904.c
@@ -312,7 +312,7 @@ static bool wm8904_readable_register(struct device *dev, unsigned int reg)
 	case WM8904_FLL_NCO_TEST_1:
 		return true;
 	default:
-		return true;
+		return false;
 	}
 }
 
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