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ASoC: fixes to caching implementations

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This patch takes fixes a number of bugs in the caching code used by
several ASoC codec drivers. Mostly off-by-one fixes.

Signed-off-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Ian Molton
2009-01-17 17:44:23 +00:00
committed by Mark Brown
parent 28796eaf80
commit 91432e976f
9 changed files with 17 additions and 16 deletions
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4
sound/soc/codecs/wm9712.c
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@@ -452,7 +452,7 @@ static unsigned int ac97_read(struct snd_soc_codec *codec,
else {
reg = reg >> 1;
if (reg > (ARRAY_SIZE(wm9712_reg)))
if (reg >= (ARRAY_SIZE(wm9712_reg)))
return -EIO;
return cache[reg];
@@ -466,7 +466,7 @@ static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
soc_ac97_ops.write(codec->ac97, reg, val);
reg = reg >> 1;
if (reg <= (ARRAY_SIZE(wm9712_reg)))
if (reg < (ARRAY_SIZE(wm9712_reg)))
cache[reg] = val;
return 0;