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ASoC: TWL4030: Module unloading fix 

The module unloading path had several problems:
- it freed up the private structure twice
- it freed up the codec structure, which was allocated as part
  of the private structure
- it did not freed up the reg_cache
- it did not unregistered the dais and the codec

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Peter Ujfalusi 2010-02-04 09:10:10 +02:00 committed by Mark Brown
parent 8c1264740e
commit cb67286d66
1 changed files with 3 additions and 2 deletions
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5
sound/soc/codecs/twl4030.c
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@ -2152,8 +2152,6 @@ static int twl4030_soc_remove(struct platform_device *pdev)
twl4030_set_bias_level(codec, SND_SOC_BIAS_OFF);
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
kfree(codec->private_data);
kfree(codec);
return 0;
}
@ -2237,6 +2235,9 @@ static int __devexit twl4030_codec_remove(struct platform_device *pdev)
{
struct twl4030_priv *twl4030 = platform_get_drvdata(pdev);
snd_soc_unregister_dais(&twl4030_dai[0], ARRAY_SIZE(twl4030_dai));
snd_soc_unregister_codec(&twl4030->codec);
kfree(twl4030->codec.reg_cache);
kfree(twl4030);
twl4030_codec = NULL;