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| author | Axel Lin <axel.lin@ingics.com> | 2017-10-13 09:21:01 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-10-13 02:30:56 +0100 |
| commit | d6e18b8295593d8f59e92f6634577cbacae14629 (patch) | |
| tree | 994feebcaef313d80ddc3c36425367c9acc9396d /sound/soc/codecs/max98925.c | |
| parent | 2bd6bf03f4c1c59381d62c61d03f6cc3fe71f66e (diff) | |
| download | linux-d6e18b8295593d8f59e92f6634577cbacae14629.tar.bz2 | |
ASoC: max98925: Return proper error if revision mismatch
Return proper error instead of 0 if the revision does not match.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/max98925.c')
| -rw-r--r-- | sound/soc/codecs/max98925.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/sound/soc/codecs/max98925.c b/sound/soc/codecs/max98925.c index 327eaa25c9bd..921f95fc396d 100644 --- a/sound/soc/codecs/max98925.c +++ b/sound/soc/codecs/max98925.c @@ -579,7 +579,7 @@ static int max98925_i2c_probe(struct i2c_client *i2c, ret = PTR_ERR(max98925->regmap); dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret); - goto err_out; + return ret; } if (!of_property_read_u32(i2c->dev.of_node, "vmon-slot-no", &value)) { @@ -596,16 +596,20 @@ static int max98925_i2c_probe(struct i2c_client *i2c, } max98925->i_slot = value; } - ret = regmap_read(max98925->regmap, - MAX98925_REV_VERSION, ®); - if ((ret < 0) || - ((reg != MAX98925_VERSION) && - (reg != MAX98925_VERSION1))) { - dev_err(&i2c->dev, - "device initialization error (%d 0x%02X)\n", + + ret = regmap_read(max98925->regmap, MAX98925_REV_VERSION, ®); + if (ret < 0) { + dev_err(&i2c->dev, "Read revision failed\n"); + return ret; + } + + if ((reg != MAX98925_VERSION) && (reg != MAX98925_VERSION1)) { + ret = -ENODEV; + dev_err(&i2c->dev, "Invalid revision (%d 0x%02X)\n", ret, reg); - goto err_out; + return ret; } + dev_info(&i2c->dev, "device version 0x%02X\n", reg); ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_max98925, @@ -613,7 +617,6 @@ static int max98925_i2c_probe(struct i2c_client *i2c, if (ret < 0) dev_err(&i2c->dev, "Failed to register codec: %d\n", ret); -err_out: return ret; } |