Hi Liam,
This simple patch adds suspend/resume support to the ASoC AC97 codec. Tested on Au1200, works fine for me(TM).
Thanks! Manuel Lauss
--- From: Manuel Lauss mano@roarinelk.homelinux.net
Simple suspend/resume for AC97 ASoC codec.
Signed-off-by: Manuel Lauss mano@roarinelk.homelinux.net --- sound/soc/codecs/ac97.c | 25 +++++++++++++++++++++++++ 1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/sound/soc/codecs/ac97.c b/sound/soc/codecs/ac97.c index 2a1ffe3..fb9ac9f 100644 --- a/sound/soc/codecs/ac97.c +++ b/sound/soc/codecs/ac97.c @@ -146,9 +146,34 @@ 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);