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ALSA: cs5535audio: fix unused warnings on resume/suspend

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When CONFIG_PM_SLEEP is disabled, SIMPLE_DEV_PM_OPS does not use
snd_cs5535audio_resume and snd_cs5535audio_suspend functions:

sound/pci/cs5535audio/cs5535audio_pm.c:77:12: warning: ‘snd_cs5535audio_resume’ defined but not used [-Wunused-function]
 static int snd_cs5535audio_resume(struct device *dev)
            ^~~~~~~~~~~~~~~~~~~~~~
sound/pci/cs5535audio/cs5535audio_pm.c:58:12: warning: ‘snd_cs5535audio_suspend’ defined but not used [-Wunused-function]
 static int snd_cs5535audio_suspend(struct device *dev)
            ^~~~~~~~~~~~~~~~~~~~~~~

Adding __maybe_unused to the declaration of these functions removes the
warnings.

Signed-off-by: Jérémy Lefaure <jeremy.lefaure@lse.epita.fr>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Jérémy Lefaure
2016-12-16 19:25:27 -05:00
committed by Takashi Iwai
parent 2d706e790f
commit fe4cb86cde
1 changed files with 2 additions and 2 deletions
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4
sound/pci/cs5535audio/cs5535audio_pm.c
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@@ -55,7 +55,7 @@ static void snd_cs5535audio_stop_hardware(struct cs5535audio *cs5535au)
}
static int snd_cs5535audio_suspend(struct device *dev)
static int __maybe_unused snd_cs5535audio_suspend(struct device *dev)
{
struct snd_card *card = dev_get_drvdata(dev);
struct cs5535audio *cs5535au = card->private_data;
@@ -74,7 +74,7 @@ static int snd_cs5535audio_suspend(struct device *dev)
return 0;
}
static int snd_cs5535audio_resume(struct device *dev)
static int __maybe_unused snd_cs5535audio_resume(struct device *dev)
{
struct snd_card *card = dev_get_drvdata(dev);
struct cs5535audio *cs5535au = card->private_data;