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Commit b284362b authored by Axel Lin's avatar Axel Lin Committed by Mark Brown
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ASoC: cs42l51: Fix off-by-one for reg_cache_size 



Just checking the code in cs42l51_fill_cache():
The cache pointer points to codec->reg_cache + 1.
I think it is because CS42L51_FIRSTREG is 0x01,
so codec->reg_cache[0] is not used here.

Then we read CS42L51_NUMREGS bytes to cache.
So we need reg_cache_size to be CS42L51_NUMREGS + 1.

Signed-off-by: default avatarAxel Lin <axel.lin@gmail.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 4ca8af57

sound/soc/codecs/cs42l51.c

+1 −1
Original line number Diff line number Diff line
@@ -555,7 +555,7 @@ static int cs42l51_probe(struct snd_soc_codec *codec) 


static struct snd_soc_codec_driver soc_codec_device_cs42l51 = {

	.probe =	cs42l51_probe,

	.reg_cache_size = CS42L51_NUMREGS,

	.reg_cache_size = CS42L51_NUMREGS + 1,

	.reg_word_size = sizeof(u8),

};