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authorDimitris Papastamos <dp@opensource.wolfsonmicro.com>2010-09-21 18:04:07 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-09-22 17:48:50 +0200
commit391d8a04fc0f0d603642daa07f379e17c88001c9 (patch)
tree041b6bd448ada9513b8b7f8e9facaee4d07a5110
parentASoC: Report error codes for card DAI instantiation failures (diff)
downloadlinux-391d8a04fc0f0d603642daa07f379e17c88001c9.tar.xz
linux-391d8a04fc0f0d603642daa07f379e17c88001c9.zip
ASoC: Return -1 instead of -EINVAL to ensure consistency
The code can't really cope with I/O errors, so it would be better to be consistent throughout all cache functions and return -1 instead of -EINVAL. The return value of snd_soc_read(...) is mostly checked in the probe function and nowhere else. Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
-rw-r--r--sound/soc/soc-cache.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c
index 28bf1ff980ce..6702a3dcd3fe 100644
--- a/sound/soc/soc-cache.c
+++ b/sound/soc/soc-cache.c
@@ -228,7 +228,7 @@ static unsigned int snd_soc_8_16_read(struct snd_soc_codec *codec,
if (reg >= codec->driver->reg_cache_size ||
snd_soc_codec_volatile_register(codec, reg)) {
if (codec->cache_only)
- return -EINVAL;
+ return -1;
return codec->hw_read(codec, reg);
} else {
@@ -455,7 +455,7 @@ static unsigned int snd_soc_16_16_read(struct snd_soc_codec *codec,
if (reg >= codec->driver->reg_cache_size ||
snd_soc_codec_volatile_register(codec, reg)) {
if (codec->cache_only)
- return -EINVAL;
+ return -1;
return codec->hw_read(codec, reg);
}