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Multi-Function Audio Ports

post #1 of 9
11/14/04 at 6:54pm
Thread Starter 
Just wondering if there is any support for assignable audio ports in linux yet, cant seem to find anything on it as of yet searching the web. Very seriously considering the new Alienware 7700 laptop, if it was AMD I would jump on it in a heartbeat, but I wanna make sure I can at LEAST use the audio ports, and hopefully even assign them to whatever I need.

Seablade
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post #2 of 9
11/15/04 at 12:10pm
What do you mean by "assignable audio ports"? What do you want to do, change "MIC IN" to something like "STEREO OUT"? It seems highly unlikely, considering that the wiring/functionality of those ports is done in hardware. You may be able to switch how 2 "OUT" ports behave (swap STEREO OUT and MONO OUT, maybe), but I don't think you will be able to change an "OUT" port into an "IN" port using software only.

Regards,

zakaluka2.
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post #3 of 9
11/15/04 at 1:54pm
Thread Starter 
Quote:
Originally Posted by zakaluka2
What do you mean by "assignable audio ports"? What do you want to do, change "MIC IN" to something like "STEREO OUT"? It seems highly unlikely, considering that the wiring/functionality of those ports is done in hardware. You may be able to switch how 2 "OUT" ports behave (swap STEREO OUT and MONO OUT, maybe), but I don't think you will be able to change an "OUT" port into an "IN" port using software only.

Regards,

zakaluka2.
That is exactly what I was referring to actually, and does exist on newer laptops, I am just wondering if there was a way in linux to control it yet. When I have seen them it was software assignable through the driver in windows to either a mic in, or an out for surrond sound, or headphones etc. For example you could have four ports, and assign 3 of those to provide 5.1 surrond sound, and the last one might be a line in, or set it up so you have 2 line ins and one headphones etc.

I have also seen them autodetect whatever is plugged into it, exactly how that works I am not completly sure yet I havent taken a close look at it, but in the software control for it if something is plugged in it automaticly sets that port accordingly, say if it was a mic, or line in, or speaker out.

Seablade
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post #4 of 9
11/15/04 at 3:31pm
Hmm, that's pretty cool. Never seen/heard about that before (if you haven't guessed already ). Please post if you find anything like this for linux.

Regards,

zakaluka2.
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post #5 of 9
11/15/04 at 5:57pm
Thread Starter 
Quote:
Originally Posted by zakaluka2
Hmm, that's pretty cool. Never seen/heard about that before (if you haven't guessed already ). Please post if you find anything like this for linux.

Regards,

zakaluka2.

Your hardware has to be designed to do it, in case I wasnt clear on that, you were correct in that regard, I hope it is useable, would make it that much easier on myself at times to be able to plug in several sets of headphones

Seablade
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post #6 of 9
11/16/04 at 12:20am
I was looking for something like this with my laptop (wanted to get a surround system for it), but I couldn't find a way. Well, I switched to the Alsa drivers to get the spdif port working right, and low and behold, they have some of the stuff your looking for. BTW, I have a Sager 8790. So there are the three ports ont he front, which in windows I can do the Center/Sub, Front and Rear outputs on. I mainly just use the digital now, But yes.. check out Alsa, it may be the answer your looking for. Don't forget to get a alsa mixer for whatever Display manager your using.
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post #7 of 9
11/16/04 at 7:56am
Thread Starter 
Quote:
Originally Posted by Sedorox
I was looking for something like this with my laptop (wanted to get a surround system for it), but I couldn't find a way. Well, I switched to the Alsa drivers to get the spdif port working right, and low and behold, they have some of the stuff your looking for. BTW, I have a Sager 8790. So there are the three ports ont he front, which in windows I can do the Center/Sub, Front and Rear outputs on. I mainly just use the digital now, But yes.. check out Alsa, it may be the answer your looking for. Don't forget to get a alsa mixer for whatever Display manager your using.
Good to know Alsa has it built in, that should make things easy. What program did you use to control it in that case so I know what to look for?

Seablade
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post #8 of 9
11/17/04 at 9:29pm
Quote:
Originally Posted by seablade
Good to know Alsa has it built in, that should make things easy. What program did you use to control it in that case so I know what to look for?

Seablade
I run Gnome on Gentoo so I just emerge gnome-alsamixer. I'm sure there is something like it in KDE. I believe it also then comes up in the normal volume level adjuster. But in Gnome.. w/o the snd_*_oss modules loaded, it says that there isn't a sound card, but if you open it up, it actually does have the adjustments.
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post #9 of 9
11/18/04 at 1:14am
Thread Starter 
Quote:
Originally Posted by Sedorox
I run Gnome on Gentoo so I just emerge gnome-alsamixer. I'm sure there is something like it in KDE. I believe it also then comes up in the normal volume level adjuster. But in Gnome.. w/o the snd_*_oss modules loaded, it says that there isn't a sound card, but if you open it up, it actually does have the adjustments.
Hmm a bit off there but hey if it works it works

I will hopefully be running E17 when that comes out, not sure what I will run on the laptop I am currently looking at until then though, Ill have to wait and see.

Seablade and Seablaede
The Ashrim
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