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ALSA: ASoC: AC97 codec PM 

Simple suspend/resume for AC97 ASoC codec.

Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net>
Acked-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Manuel Lauss 2008-07-03 09:33:10 +02:00 committed by Jaroslav Kysela
parent 15e4c72f52
commit 3f77598703
1 changed files with 25 additions and 0 deletions
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25
sound/soc/codecs/ac97.c
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@ -144,9 +144,34 @@ static int ac97_soc_remove(struct platform_device *pdev)
return 0;
}
#ifdef CONFIG_PM
static int ac97_soc_suspend(struct platform_device *pdev, pm_message_t msg)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
snd_ac97_suspend(socdev->codec->ac97);
return 0;
}
static int ac97_soc_resume(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
snd_ac97_resume(socdev->codec->ac97);
return 0;
}
#else
#define ac97_soc_suspend NULL
#define ac97_soc_resume NULL
#endif
struct snd_soc_codec_device soc_codec_dev_ac97 = {
.probe = ac97_soc_probe,
.remove = ac97_soc_remove,
.suspend = ac97_soc_suspend,
.resume = ac97_soc_resume,
};
EXPORT_SYMBOL_GPL(soc_codec_dev_ac97);