On Thu, 2012-06-28 at 16:27 +0200, David Henningsson wrote:
> For kernel 3.6, "phantom jack" kctls have been added. They serve as
> a marker that a particular port exist. They were made so we can detect
> that there actually are speakers and internal mic on a laptop, even if
> there are no other indications (volume controls etc).
> 
> Signed-off-by: David Henningsson <[email protected]>
> ---
>  .../mixer/paths/analog-input-internal-mic.conf     |    4 ++++
>  .../alsa/mixer/paths/analog-output-speaker.conf    |    5 +++++
>  2 files changed, 9 insertions(+)
> 
> diff --git a/src/modules/alsa/mixer/paths/analog-input-internal-mic.conf 
> b/src/modules/alsa/mixer/paths/analog-input-internal-mic.conf
> index ba15f1c..a8cbb40 100644
> --- a/src/modules/alsa/mixer/paths/analog-input-internal-mic.conf
> +++ b/src/modules/alsa/mixer/paths/analog-input-internal-mic.conf
> @@ -39,6 +39,10 @@ state.unplugged = unknown
>  state.plugged = no
>  state.unplugged = unknown
>  
> +[Jack Internal Mic Phantom]
> +state.plugged = unknown
> +state.unplugged = unknown
> +

Should this have "required-any = any", similarly to Jack Speaker
Phantom?

>  [Element Internal Mic Boost]
>  required-any = any
>  switch = select
> diff --git a/src/modules/alsa/mixer/paths/analog-output-speaker.conf 
> b/src/modules/alsa/mixer/paths/analog-output-speaker.conf
> index 9c58ed9..cea02c2 100644
> --- a/src/modules/alsa/mixer/paths/analog-output-speaker.conf
> +++ b/src/modules/alsa/mixer/paths/analog-output-speaker.conf
> @@ -26,6 +26,11 @@ name = analog-output-speaker
>  state.plugged = no
>  state.unplugged = unknown
>  
> +[Jack Speaker Phantom]
> +required-any = any
> +state.plugged = unknown
> +state.unplugged = unknown
> +
>  [Element Hardware Master]
>  switch = mute
>  volume = merge

-- 
Tanu

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