I did a little investigation on this issue and found this [1] LKML thread with the exact same problem on the exact same hardware.
The fixing commit can be found here [2], but it's still not pushed upstream (as of 3.9.5). Regards, [1] https://lkml.org/lkml/2013/5/12/22 [2] http://git.kernel.org/cgit/linux/kernel/git/tiwai/sound-unstable.git/commit/?id=5a6f294e87974e6ec68d7113553ffd975d83bf15 On Fri, Jun 7, 2013 at 2:21 PM, Debian Bug Tracking System <[email protected]> wrote: > Thank you for filing a new Bug report with Debian. > > This is an automatically generated reply to let you know your message > has been received. > > Your message is being forwarded to the package maintainers and other > interested parties for their attention; they will reply in due course. > > Your message has been sent to the package maintainer(s): > Debian Kernel Team <[email protected]> > > If you wish to submit further information on this problem, please > send it to [email protected]. > > Please do not send mail to [email protected] unless you wish > to report a problem with the Bug-tracking system. > > -- > 711539: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=711539 > Debian Bug Tracking System > Contact [email protected] with problems -- Sebastián Cruz [email protected] -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]

