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-rw-r--r--sound/soc/soc-cache.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c
index 472af38188c..f6b0d2829ea 100644
--- a/sound/soc/soc-cache.c
+++ b/sound/soc/soc-cache.c
@@ -203,8 +203,9 @@ static int snd_soc_8_16_write(struct snd_soc_codec *codec, unsigned int reg,
data[1] = (value >> 8) & 0xff;
data[2] = value & 0xff;
- if (!snd_soc_codec_volatile_register(codec, reg))
- reg_cache[reg] = value;
+ if (!snd_soc_codec_volatile_register(codec, reg)
+ && reg < codec->reg_cache_size)
+ reg_cache[reg] = value;
if (codec->cache_only) {
codec->cache_sync = 1;
@@ -340,7 +341,7 @@ static unsigned int snd_soc_16_8_read_i2c(struct snd_soc_codec *codec,
static unsigned int snd_soc_16_8_read(struct snd_soc_codec *codec,
unsigned int reg)
{
- u16 *cache = codec->reg_cache;
+ u8 *cache = codec->reg_cache;
reg &= 0xff;
if (reg >= codec->reg_cache_size)
@@ -351,7 +352,7 @@ static unsigned int snd_soc_16_8_read(struct snd_soc_codec *codec,
static int snd_soc_16_8_write(struct snd_soc_codec *codec, unsigned int reg,
unsigned int value)
{
- u16 *cache = codec->reg_cache;
+ u8 *cache = codec->reg_cache;
u8 data[3];
int ret;