[alsa-devel] Signaling user-space through kcontrol

[Patrick Lai]

On 9/28/2011 12:03 AM, Vinod Koul wrote:
>> Main one is detection of short circuiting headphone For this case,
>> there is no need for extra payload. In case of there is need to pass
>> back some payload, I presume user-space application can simply call the
>> get function upon receiving notification.
> And what would userspace do with that information? Apart from logging
> this, is there anything useful we can do with such info
>
Well, it's up to user-space application to decide. I suppose
application would not allow audio route to headphone/headset at this
point.

Thanks
Patrick

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