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authorManuel Lauss <mano@roarinelk.homelinux.net>2008-07-03 09:33:10 +0200
committerJaroslav Kysela <perex@perex.cz>2008-07-10 09:32:20 +0200
commit3f775987030cf7ff922765c18ddd0d311b4b46ef (patch)
treed845ab07bc9e0599ee9147a0ac30db6eb062fe8d /sound
parent15e4c72f520d1db9adc38ba157547a7c1fca45b2 (diff)
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>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/ac97.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/sound/soc/codecs/ac97.c b/sound/soc/codecs/ac97.c
index 300d007f233..e4516f3ce64 100644
--- a/sound/soc/codecs/ac97.c
+++ b/sound/soc/codecs/ac97.c
@@ -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);