[alsa-devel] Not able to restart audio after hibernation

Mark Brown broonie at opensource.wolfsonmicro.com
Sat Jan 7 00:25:09 CET 2012

On Fri, Jan 06, 2012 at 12:54:33PM -0800, Tobin Davis wrote:
> On Fri, 2012-01-06 at 10:32 -0800, Mark Brown wrote:

> > Hibernation is not supported on ARM at all.  Is SPEAR not an ARM based
> > platform?

> It isn't?  Hibernate is supported on all systems to some level.  Essentially 
> the cpu is just halting all threads and saving state (cpu, memory, and device configs) to storage.

...and then restoring it later when we power on again.  It's this bit
that had been tricky.

> And I have a couple of arm development platforms here that would beg to
> argue with this statement.

Perhaps it's been supported since I last looked, but if it has there's a
*lot* of drivers for ARM based systems which need to be updated.

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