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| author | Takashi Iwai <tiwai@suse.de> | 2005-11-17 15:55:49 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-01-03 12:20:19 +0100 |
| commit | a381a7a66486f11606eccb8866e29848f995278f (patch) | |
| tree | 4fcc2f971a1f0d509939181b91096a600454b0d6 /sound/core/control.c | |
| parent | fd66e0d0591dd12eb0bea1e9f3aa194bb93cebbd (diff) | |
| download | linux-a381a7a66486f11606eccb8866e29848f995278f.tar.bz2 | |
[ALSA] Decentralize PM control
Modules: ALSA Core,Control Midlevel,/oss/Makefile
Remove the centralized PM control in the sound core.
Each driver is responsible to get callbacks from bus/driver now.
SND_GENERIC_DRIVER is removed together with this action.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core/control.c')
| -rw-r--r-- | sound/core/control.c | 44 |
1 files changed, 1 insertions, 43 deletions
diff --git a/sound/core/control.c b/sound/core/control.c index 1a14338bd516..03ae9bb7d38e 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -1023,36 +1023,6 @@ static int snd_ctl_subscribe_events(struct snd_ctl_file *file, int __user *ptr) return 0; } -#ifdef CONFIG_PM -/* - * change the power state - */ -static int snd_ctl_set_power_state(struct snd_card *card, unsigned int power_state) -{ - switch (power_state) { - case SNDRV_CTL_POWER_D0: - if (card->power_state != power_state) { - card->pm_resume(card); - snd_power_change_state(card, power_state); - } - break; - case SNDRV_CTL_POWER_D3hot: - if (card->power_state != power_state) { - card->pm_suspend(card, PMSG_SUSPEND); - snd_power_change_state(card, power_state); - } - break; - case SNDRV_CTL_POWER_D1: - case SNDRV_CTL_POWER_D2: - case SNDRV_CTL_POWER_D3cold: - /* not supported yet */ - default: - return -EINVAL; - } - return 0; -} -#endif - static long snd_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct snd_ctl_file *ctl; @@ -1092,19 +1062,7 @@ static long snd_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg case SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS: return snd_ctl_subscribe_events(ctl, ip); case SNDRV_CTL_IOCTL_POWER: - if (get_user(err, ip)) - return -EFAULT; - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; -#ifdef CONFIG_PM - if (card->pm_suspend && card->pm_resume) { - snd_power_lock(card); - err = snd_ctl_set_power_state(card, err); - snd_power_unlock(card); - } else -#endif - err = -ENOPROTOOPT; - return err; + return -ENOPROTOOPT; case SNDRV_CTL_IOCTL_POWER_STATE: #ifdef CONFIG_PM return put_user(card->power_state, ip) ? -EFAULT : 0; |