[ALSA] ac97_bus power management
This patch adds CONFIG_PM to the ac97_bus driver.
Signed-off-by: Martin Langer <martin-langer@gmx.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/ac97_bus.c b/sound/ac97_bus.c
index 66de2c2..7fa37e1 100644
--- a/sound/ac97_bus.c
+++ b/sound/ac97_bus.c
@@ -26,6 +26,7 @@
return 1;
}
+#ifdef CONFIG_PM
static int ac97_bus_suspend(struct device *dev, pm_message_t state)
{
int ret = 0;
@@ -45,12 +46,15 @@
return ret;
}
+#endif /* CONFIG_PM */
struct bus_type ac97_bus_type = {
.name = "ac97",
.match = ac97_bus_match,
+#ifdef CONFIG_PM
.suspend = ac97_bus_suspend,
.resume = ac97_bus_resume,
+#endif /* CONFIG_PM */
};
static int __init ac97_bus_init(void)