[alsa-devel] Not able to restart audio after hibernation
broonie at opensource.wolfsonmicro.com
Mon Jan 9 06:53:58 CET 2012
On Mon, Jan 09, 2012 at 08:46:45AM +0530, Shiraz Hashim wrote:
> On Sat, Jan 07, 2012 at 02:32:05AM +0800, Mark Brown wrote:
> > This suggests that you have a bug in your suspend and resume
> > implementation, possibly outside of this driver.
> The driver works absolutely fine in case of suspend to ram where the
> power domains (which includes the I2S controller) is switched off.
That doesn't mean everything is OK, for example the clock tree or DMA
controller might not be preserving state properly.
> As the soc-core.c misses hibernation call backs of dev_pm_ops, we were
> wondering whether it has been tested before on some other platform.
Not to my knowledge, but I don't see any reason why anything more than
the trivial implementation should really be needed except for the
general pointlessness of resuming after hibernating.
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