ASoC: Only restore non-default registers for WM8961

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>

diff --git a/sound/soc/codecs/wm8961.c b/sound/soc/codecs/wm8961.c
index a8007d58813f77b4687223fe40f48820e4b71561..d2342c5e0425f2e861d8861d80cffd2a3b81ef1a 100644 (file)
--- a/sound/soc/codecs/wm8961.c
+++ b/sound/soc/codecs/wm8961.c
@@ -1022,6 +1022,9 @@ static int wm8961_resume(struct platform_device *pdev)
        int i;
 
        for (i = 0; i < codec->reg_cache_size; i++) {
+               if (reg_cache[i] == wm8961_reg_defaults[i])
+                       continue;
+
                if (i == WM8961_SOFTWARE_RESET)
                        continue;