From ac60155f7afa3fd819befa35c2740a7a0d2f1a39 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Thu, 6 Oct 2011 07:29:56 +0800 Subject: [PATCH] ASoC: Return early with -EINVAL if invalid dai format is detected Signed-off-by: Axel Lin Acked-by: Timur Tabi Signed-off-by: Mark Brown --- 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 5830c934a1d1..f1f237ecec2a 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 286878d22b6a..8c3c8205d19e 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 { -- 2.20.1