lkml.org 
[lkml]   [2011]   [Oct]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Subject[PATCH v2] ASoC: Return early with -EINVAL if invalid dai format is detected
From
Date
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Timur Tabi <timur@freescale.com>
Cc: Arnaud Patard <arnaud.patard@rtp-net.org>
---
sound/soc/codecs/cs4270.c | 8 ++++----
sound/soc/codecs/cs42l51.c | 9 ++++-----
2 files changed, 8 insertions(+), 9 deletions(-)
diff --git a/sound/soc/codecs/cs4270.c b/sound/soc/codecs/cs4270.c
index 5830c93..f1f237e 100644
--- a/sound/soc/codecs/cs4270.c
+++ b/sound/soc/codecs/cs4270.c
@@ -261,7 +261,6 @@ static int cs4270_set_dai_fmt(struct snd_soc_dai *codec_dai,
{
struct snd_soc_codec *codec = codec_dai->codec;
struct cs4270_private *cs4270 = snd_soc_codec_get_drvdata(codec);
- int ret = 0;

/* set DAI format */
switch (format & SND_SOC_DAIFMT_FORMAT_MASK) {
@@ -271,7 +270,7 @@ static int cs4270_set_dai_fmt(struct snd_soc_dai *codec_dai,
break;
default:
dev_err(codec->dev, "invalid dai format\n");
- ret = -EINVAL;
+ return -EINVAL;
}

/* set master/slave audio interface */
@@ -284,10 +283,11 @@ static int cs4270_set_dai_fmt(struct snd_soc_dai *codec_dai,
break;
default:
/* all other modes are unsupported by the hardware */
- ret = -EINVAL;
+ dev_err(codec->dev, "Unknown master/slave configuration\n");
+ return -EINVAL;
}

- return ret;
+ return 0;
}

/**
diff --git a/sound/soc/codecs/cs42l51.c b/sound/soc/codecs/cs42l51.c
index 286878d..8c3c820 100644
--- a/sound/soc/codecs/cs42l51.c
+++ b/sound/soc/codecs/cs42l51.c
@@ -288,7 +288,6 @@ static int cs42l51_set_dai_fmt(struct snd_soc_dai *codec_dai,
{
struct snd_soc_codec *codec = codec_dai->codec;
struct cs42l51_private *cs42l51 = snd_soc_codec_get_drvdata(codec);
- int ret = 0;

switch (format & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
@@ -298,7 +297,7 @@ static int cs42l51_set_dai_fmt(struct snd_soc_dai *codec_dai,
break;
default:
dev_err(codec->dev, "invalid DAI format\n");
- ret = -EINVAL;
+ return -EINVAL;
}

switch (format & SND_SOC_DAIFMT_MASTER_MASK) {
@@ -309,11 +308,11 @@ static int cs42l51_set_dai_fmt(struct snd_soc_dai *codec_dai,
cs42l51->func = MODE_SLAVE_AUTO;
break;
default:
- ret = -EINVAL;
- break;
+ dev_err(codec->dev, "Unknown master/slave configuration\n");
+ return -EINVAL;
}

- return ret;
+ return 0;
}

struct cs42l51_ratios {
--
1.7.4.1




\
 
 \ /
  Last update: 2011-10-06 01:33    [from the cache]
©2003-2011 Jasper Spaans