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authorTakashi Iwai <tiwai@suse.de>2014-05-05 16:54:33 +0200
committerTakashi Iwai <tiwai@suse.de>2014-05-05 16:54:33 +0200
commit59991da498122f779434c4e0beac8a69e0322938 (patch)
tree23e46bc7f355c6d65f3246f756cd8ef84cfc3030 /sound/usb/card.c
parent02fd1a76bfeb8d6293608dc3a1b8667b1da5a923 (diff)
parentf06ab794af7055d0949b09885f79f8b493deec64 (diff)
downloadop-kernel-dev-59991da498122f779434c4e0beac8a69e0322938.zip
op-kernel-dev-59991da498122f779434c4e0beac8a69e0322938.tar.gz
Merge branch 'for-linus' into for-next
... for applying the further HDMI fixes.
Diffstat (limited to 'sound/usb/card.c')
-rw-r--r--sound/usb/card.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/sound/usb/card.c b/sound/usb/card.c
index 893d5a1..c3b5b7d 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -651,7 +651,7 @@ int snd_usb_autoresume(struct snd_usb_audio *chip)
int err = -ENODEV;
down_read(&chip->shutdown_rwsem);
- if (chip->probing)
+ if (chip->probing && chip->in_pm)
err = 0;
else if (!chip->shutdown)
err = usb_autopm_get_interface(chip->pm_intf);
@@ -663,7 +663,7 @@ int snd_usb_autoresume(struct snd_usb_audio *chip)
void snd_usb_autosuspend(struct snd_usb_audio *chip)
{
down_read(&chip->shutdown_rwsem);
- if (!chip->shutdown && !chip->probing)
+ if (!chip->shutdown && !chip->probing && !chip->in_pm)
usb_autopm_put_interface(chip->pm_intf);
up_read(&chip->shutdown_rwsem);
}
@@ -695,8 +695,9 @@ static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message)
chip->autosuspended = 1;
}
- list_for_each_entry(mixer, &chip->mixer_list, list)
- snd_usb_mixer_suspend(mixer);
+ if (chip->num_suspended_intf == 1)
+ list_for_each_entry(mixer, &chip->mixer_list, list)
+ snd_usb_mixer_suspend(mixer);
return 0;
}
@@ -711,6 +712,8 @@ static int __usb_audio_resume(struct usb_interface *intf, bool reset_resume)
return 0;
if (--chip->num_suspended_intf)
return 0;
+
+ chip->in_pm = 1;
/*
* ALSA leaves material resumption to user space
* we just notify and restart the mixers
@@ -726,6 +729,7 @@ static int __usb_audio_resume(struct usb_interface *intf, bool reset_resume)
chip->autosuspended = 0;
err_out:
+ chip->in_pm = 0;
return err;
}
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