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-rw-r--r--sound/soc/soc-cache.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c
index 91db7af..9dfe9a5 100644
--- a/sound/soc/soc-cache.c
+++ b/sound/soc/soc-cache.c
@@ -159,7 +159,8 @@ static int snd_soc_8_8_write(struct snd_soc_codec *codec, unsigned int reg,
BUG_ON(codec->volatile_register);
- data[0] = reg & 0xff;
+ reg &= 0xff;
+ data[0] = reg;
data[1] = value & 0xff;
if (reg < codec->reg_cache_size)
@@ -180,6 +181,7 @@ static unsigned int snd_soc_8_8_read(struct snd_soc_codec *codec,
unsigned int reg)
{
u8 *cache = codec->reg_cache;
+ reg &= 0xff;
if (reg >= codec->reg_cache_size)
return -1;
return cache[reg];