[alsa-devel] questions about asoc jack detection
guanqun.lu at intel.com
Wed Apr 20 17:00:20 CEST 2011
On Wed, Apr 20, 2011 at 10:53:58PM +0800, Mark Brown wrote:
> On Wed, Apr 20, 2011 at 10:06:15PM +0800, Lu Guanqun wrote:
> > Yes, it's related to policy. But I see some inconsistencies in handling
> > this stuff. In this above example, you suggest we should play out of
> > both outputs. However in HDA code, the common way when headphone is
> > inserted is to mute the speaker and enable the headphone. Is there some
> > differences between the HDA code and the ASoC code? Or this is just due
> > to legacy code?
> HDA code does this differently. I'd argue that they've taken the wrong
> implementation decision and that this should be a userspace issue but
> the use cases for PCs are a bit more basic.
I agree with you that this kind of policy should be put into userspace
instead of hardcoding it in kernel.
Good to hear the points from you. Thanks!
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