[PATCH 4/7] ALSA: control: Minor optimization for SNDRV_CTL_IOCTL_POWER_STATE
Takashi Iwai
tiwai at suse.de
Tue May 18 18:51:58 CEST 2021
The SNDRV_CTL_IOCTL_POWER_STATE is an obsoleted ioctl and now
practically it returns always D0. Do some minor optimization.
Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
sound/core/control.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/sound/core/control.c b/sound/core/control.c
index 799d91ddccb0..5e8b77855e5d 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -1807,11 +1807,7 @@ static long snd_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg
case SNDRV_CTL_IOCTL_POWER:
return -ENOPROTOOPT;
case SNDRV_CTL_IOCTL_POWER_STATE:
-#ifdef CONFIG_PM
- return put_user(card->power_state, ip) ? -EFAULT : 0;
-#else
return put_user(SNDRV_CTL_POWER_D0, ip) ? -EFAULT : 0;
-#endif
}
down_read(&snd_ioctl_rwsem);
list_for_each_entry(p, &snd_control_ioctls, list) {
--
2.26.2
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