My /etc/pm/config.d/00sleep_module file now looks like this (hope I got
it right):

# The sleep/wake system to use.  Valid values are:
#   kernel    The built-in kernel suspend/resume support.
#             Use this if nothing else is supported on your system.
#   uswsusp   If your system has support for the userspace
#             suspend programs (s2ram/s2disk/s2both), then use this.
#   tuxonice  If your system has support for tuxonice, use this.
#
# The system defaults to "kernel" if this is commented out.
# SLEEP_MODULE="kernel"
SUSPEND_MODULE="snd-hda-intel"

Unfortunately, this still does not work for suspend. (I noticed for the
first time today that hibernate is actually working just fine and sound
works after resume, but hibernate takes almost as long as a reboot).


If I use alsamixer or aplay after a suspend, I don't get any errors : 

rmis...@rmistry-laptop:~/Examples$ aplay fables_01_01_aesop.spx 
Playing raw data 'fables_01_01_aesop.spx' : Unsigned 8 bit, Rate 8000 Hz, Mono

-- 
Sound broken after resume of Suspend - Toshiba P100
https://bugs.launchpad.net/bugs/125264
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