[alsa-devel] Linux Kernel-3.5 crashed as dapm is not supported by codec

Rajeev kumar rajeev-dlh.kumar at st.com
Fri Sep 21 05:57:47 CEST 2012

Hello Mark,

On 9/20/2012 5:19 PM, Mark Brown wrote:
> On Thu, Sep 20, 2012 at 04:46:27PM +0530, Rajeev kumar wrote:
>> I have not provided the dapm support in codec. When the system goes
>> in hibernation state it gets crashed. command for putting the system
>> in hibernation:
> DAPM is mandatory now, though any device with an audio interface
> connected should have some DAPM widgets added transparently so its not
> always explicitly present in the CODEC driver.  It's just causing too
> much pain to special case non-DAPM devices and theres really not any
> cases where there's no need for widgets.

Is DAPM operates on event? In my device event generation is not 
there.Please correct me if I am wrong.

Are there some dummy interface for DAPM? What are those interfaces?

Best Regards

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