ASoC: Don't go through cache when applying WM5100 rev A updates

These are all to either uncached registers or fixes to register defaults,
in the former case the cache won't do anything and in the latter case
we're fixing things so the cache sync will do the right thing.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org

1 files changed, 2 insertions, 0 deletions

diff --git a/sound/soc/codecs/wm5100.c b/sound/soc/codecs/wm5100.c
index 3fd9cfe6dcd7..66f0611e68b6 100644
--- a/sound/soc/codecs/wm5100.c
+++ b/sound/soc/codecs/wm5100.c
@@ -1377,6 +1377,7 @@ static int wm5100_set_bias_level(struct snd_soc_codec *codec,
 
                         switch (wm5100->rev) {
                         case 0:
+                                regcache_cache_bypass(wm5100->regmap, true);
                                 snd_soc_write(codec, 0x11, 0x3);
                                 snd_soc_write(codec, 0x203, 0xc);
                                 snd_soc_write(codec, 0x206, 0);
@@ -1392,6 +1393,7 @@ static int wm5100_set_bias_level(struct snd_soc_codec *codec,
                                         snd_soc_write(codec,
                                                       wm5100_reva_patches[i].reg,
                                                       wm5100_reva_patches[i].val);
+                                regcache_cache_bypass(wm5100->regmap, false);
                                 break;
                         default:
                                 break;