From: Sean Thayne <sthayne@summitmediagroupllc.com>
To: alsa-devel@alsa-project.org
Subject: Re: How can you tell if the speaker jack on your sound card has anything plugged into it???
Date: Fri, 25 Apr 2008 15:02:09 -0600 [thread overview]
Message-ID: <481246D1.1050101@summitmediagroupllc.com> (raw)
In-Reply-To: <4812458E.5030508@freescale.com>
How do you think Vista does it? I've used a couple of different
computers (totally different hardware) and it can detect insertion for
them all...
Timur Tabi wrote:
> Sean Thayne wrote:
>
>> How would one go about getting this info? I'm trying to create a
>> monitoring tool for a specific sound card, so the driver's standardized...
>>
>
> First, the hardware has to detect insertion. Then, it has to send a
> signal to the driver (either via a status register or an interrupt).
>
> Assuming you have all that (I've never seen a sound card that provides
> this info), perhaps you can specify the output jack only when something
> is plugged in? That is, you register the output jack when something is
> plugged in, and then deregister it when something is removed.
>
> _______________________________________________
> Alsa-devel mailing list
> Alsa-devel@alsa-project.org
> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
>
>
>
--
Sean Thayne
Summit Media Group LLC.
5532 Lillehammer Lane, Suite 300
Park City, UT 84098
T: (435) 575-0610 ext 115
F: (435) 615-9979
E: sthayne@smgroupllc.com <mailto:sthayne@smgroupllc.com>
W: http://www.smgroupllc.com
next prev parent reply other threads:[~2008-04-25 21:02 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-25 19:29 How can you tell if the speaker jack on your sound card has anything plugged into it??? Sean Thayne
2008-04-25 19:49 ` Mark Brown
2008-04-25 20:53 ` Sean Thayne
2008-04-25 20:56 ` Timur Tabi
2008-04-25 21:02 ` Sean Thayne [this message]
2008-04-25 21:04 ` Timur Tabi
2008-04-25 22:02 ` Mark Brown
2008-04-25 21:08 ` Robert Jarzmik
2008-04-25 21:28 ` Lennart Poettering
2008-04-25 21:32 ` Tobin Davis
2008-04-25 21:55 ` Mark Brown
2008-04-25 21:40 ` Mark Brown
-- strict thread matches above, loose matches on Subject: below --
2008-04-25 19:29 Sean Thayne
2008-04-25 19:28 Sean Thayne
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