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[ALSA] ac97_bus power management

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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>
This commit is contained in:
Martin Langer 2007-02-05 13:02:35 +01:00 committed by Jaroslav Kysela
parent d0b0fac14e
commit 66e27788a3
1 changed files with 4 additions and 0 deletions
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4
sound/ac97_bus.c
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@ -26,6 +26,7 @@ static int ac97_bus_match(struct device *dev, struct device_driver *drv)
return 1; return 1;
} }
#ifdef CONFIG_PM
static int ac97_bus_suspend(struct device *dev, pm_message_t state) static int ac97_bus_suspend(struct device *dev, pm_message_t state)
{ {
int ret = 0; int ret = 0;
@ -45,12 +46,15 @@ static int ac97_bus_resume(struct device *dev)
return ret; return ret;
} }
#endif /* CONFIG_PM */
struct bus_type ac97_bus_type = { struct bus_type ac97_bus_type = {
.name = "ac97", .name = "ac97",
.match = ac97_bus_match, .match = ac97_bus_match,
#ifdef CONFIG_PM
.suspend = ac97_bus_suspend, .suspend = ac97_bus_suspend,
.resume = ac97_bus_resume, .resume = ac97_bus_resume,
#endif /* CONFIG_PM */
}; };
static int __init ac97_bus_init(void) static int __init ac97_bus_init(void)