[Quantal][PATCH 0/2](pre-mainline) ALSA: snd-usb: tighten EP_FLAG_RUNNING checks and move calls to usb_set_interface

[joseph.salisbury at canonical.com]

From: Joseph Salisbury <joseph.salisbury at canonical.com>

BugLink: http://bugs.launchpad.net/bugs/1018020

== Quantal Justification ==
Without these patches many external Logitech webcams will not work. 


== Fixs ==
This first patch may be dropped in the final version sent upstream.  Currently being discussed on alsa-devel mailing list.
ALSA: snd-usb: tighten EP_FLAG_RUNNING checks

Signed-off-by: Daniel Mack <zonque at gmail.com>
Signed-off-by: Joseph Salisbury <joseph.salisbury at canonical.com>


ALSA: snd-usb: move calls to usb_set_interface

Signed-off-by: Daniel Mack <zonque at gmail.com>
Signed-off-by: Joseph Salisbury <joseph.salisbury at canonical.com>
Reported-and-tested-by: Philipp Dreimann <philipp at dreimann.net>
Reported-and-tested-by: Joseph Salisbury <joseph.salisbury at canonical.com>




Joseph Salisbury (2):
  ALSA: snd-usb: tighten EP_FLAG_RUNNING checks
  ALSA: snd-usb: move calls to usb_set_interface

 sound/usb/endpoint.c |   80 +++++++-------------------------------------------
 sound/usb/pcm.c      |   55 ++++++++++++++++++++--------------
 2 files changed, 43 insertions(+), 92 deletions(-)

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1.7.9.5