At Tue, 29 Apr 2014 14:04:15 -0400,
Bryan Quigley wrote:
>
> I pastebined the full boots syslog here: http://pastebin.ubuntu.com/7360925/
>
> The only kernel error I get is that pulseaudio hangs.. Nothing more
> specific as to why.
> I can also get a hang if I just run: sudo lsusb -v. It displays
> Bus 002 Device 002: ID 046d:0825 Logitech, Inc. Webcam C270
> [blinking cursor]
Thanks. Could you try the patch below?
Takashi
---
diff --git a/sound/usb/card.c b/sound/usb/card.c
index 893d5a1afc3c..28f13def4838 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->num_suspended_intf)
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->num_suspended_intf)
usb_autopm_put_interface(chip->pm_intf);
up_read(&chip->shutdown_rwsem);
}
@@ -695,8 +695,10 @@ 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;
}
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