muteing speakers if headphones were plugged in?

Matthias Grimm joker at
Thu Apr 18 01:23:13 EST 2002

Benjamin Herrenschmidt wrote:

>>I don't know where to get the information if headphones are plugged in
>>or not, so I had a look into the recent kernel and I saw some code (for
>>eg. headphone_intr() ) that seems to do what I am asked for. On the
>>other hand the code seems very experimental and not really complete as I
>>could see at some comments.
>>What is the status? Should this feature (muting the speakers ...) be
>>part of the kernel or was it only a fast shot to get it work?
> It works with recent drivers though only if your chipset is Tumbler afaik.

Is someone working on that issue to implement it for the other chipsets?


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