ASoC: io: Remove support for ASoC cache in conjunction with regmap

Since all regmap CODECs should be (and are) using the more advance regmap
cache infrastructure remove the code which supports that and just proxy
I/O straight through to regmap.

Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 4 insertions, 31 deletions

diff --git a/sound/soc/soc-io.c b/sound/soc/soc-io.c
index 8aa086996866..260efc8466fc 100644
--- a/sound/soc/soc-io.c
+++ b/sound/soc/soc-io.c
@@ -23,21 +23,6 @@
 static int hw_write(struct snd_soc_codec *codec, unsigned int reg,
                     unsigned int value)
 {
-        int ret;
-
-        if (!snd_soc_codec_volatile_register(codec, reg) &&
-            reg < codec->driver->reg_cache_size &&
-            !codec->cache_bypass) {
-                ret = snd_soc_cache_write(codec, reg, value);
-                if (ret < 0)
-                        return -1;
-        }
-
-        if (codec->cache_only) {
-                codec->cache_sync = 1;
-                return 0;
-        }
-
         return regmap_write(codec->control_data, reg, value);
 }
 
@@ -46,23 +31,11 @@ static unsigned int hw_read(struct snd_soc_codec *codec, unsigned int reg)
         int ret;
         unsigned int val;
 
-        if (reg >= codec->driver->reg_cache_size ||
-            snd_soc_codec_volatile_register(codec, reg) ||
-            codec->cache_bypass) {
-                if (codec->cache_only)
-                        return -1;
-
-                ret = regmap_read(codec->control_data, reg, &val);
-                if (ret == 0)
-                        return val;
-                else
-                        return -1;
-        }
-
-        ret = snd_soc_cache_read(codec, reg, &val);
-        if (ret < 0)
+        ret = regmap_read(codec->control_data, reg, &val);
+        if (ret == 0)
+                return val;
+        else
                 return -1;
-        return val;
 }
 
 /**