From mboxrd@z Thu Jan  1 00:00:00 1970
From: Clemens Ladisch <clemens@ladisch.de>
Subject: Re: Event or signal for microphone connect/disconnect
Date: Wed, 27 Jul 2011 14:11:40 +0200
Message-ID: <4E30007C.2050709@ladisch.de>
References: <CAGTuRxMnK9xA2t=0vsqczteRu+bp5NxG9DTxUVxx9gK-htF6FA@mail.gmail.com>
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To: Putinei Ionut <putineiionut@gmail.com>
Cc: alsa-devel@alsa-project.org
List-Id: alsa-devel@alsa-project.org

Putinei Ionut wrote:
> Is there any way to receive events/signal that the microphone on the mic
> port is connected/disconnected.

If supported by the hardware and the driver, such jack connection
events are reported through an input device (/dev/input/*).  The
input device interface is somewhat documented at the end of
linux/Documentation/input/input.txt.


Regards,
Clemens