ASoC: cs42xx8: Move the code checking *regmap argument earlier
authorAxel Lin <axel.lin@ingics.com>
Thu, 25 Jun 2015 13:41:43 +0000 (21:41 +0800)
committerMark Brown <broonie@kernel.org>
Tue, 7 Jul 2015 12:35:09 +0000 (13:35 +0100)
Slightly improve the readability by moving the code checking *regmap
argument earlier. Also move the assignment of of_id close to the place
testing it.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Brian Austin <brian.austin@cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/codecs/cs42xx8.c

index e1d46862e81f15c34f284a19240e01ee1a841549..ab395144b23279bae9d7d6c14aace2e8fcd4bf3c 100644 (file)
@@ -435,16 +435,24 @@ EXPORT_SYMBOL_GPL(cs42xx8_of_match);
 
 int cs42xx8_probe(struct device *dev, struct regmap *regmap)
 {
-       const struct of_device_id *of_id = of_match_device(cs42xx8_of_match, dev);
+       const struct of_device_id *of_id;
        struct cs42xx8_priv *cs42xx8;
        int ret, val, i;
 
+       if (IS_ERR(regmap)) {
+               ret = PTR_ERR(regmap);
+               dev_err(dev, "failed to allocate regmap: %d\n", ret);
+               return ret;
+       }
+
        cs42xx8 = devm_kzalloc(dev, sizeof(*cs42xx8), GFP_KERNEL);
        if (cs42xx8 == NULL)
                return -ENOMEM;
 
+       cs42xx8->regmap = regmap;
        dev_set_drvdata(dev, cs42xx8);
 
+       of_id = of_match_device(cs42xx8_of_match, dev);
        if (of_id)
                cs42xx8->drvdata = of_id->data;
 
@@ -482,13 +490,6 @@ int cs42xx8_probe(struct device *dev, struct regmap *regmap)
        /* Make sure hardware reset done */
        msleep(5);
 
-       cs42xx8->regmap = regmap;
-       if (IS_ERR(cs42xx8->regmap)) {
-               ret = PTR_ERR(cs42xx8->regmap);
-               dev_err(dev, "failed to allocate regmap: %d\n", ret);
-               goto err_enable;
-       }
-
        /*
         * We haven't marked the chip revision as volatile due to
         * sharing a register with the right input volume; explicitly