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Date: Sat, 20 Aug 2011 18:40:18 +0100
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: anish singh <anish198519851985@gmail.com>
Cc: linux-kernel-mail <linux-kernel@vger.kernel.org>,
        Kernel-newbies <kernelnewbies@nl.linux.org>,
        Jonathan Cameron <jic23@cam.ac.uk>, Dave Hylands <dhylands@gmail.com>
Subject: Re: Headset driver detection problem during bootup
Message-ID: <20110820174017.GA28142@opensource.wolfsonmicro.com>
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On Fri, Aug 19, 2011 at 09:23:13PM +0900, anish singh wrote:

> Once the handler is called then we find out if the headset
> is there or not using gpio and then normal detection happens

> Is it the right way to detect the device during power-up?

> After the device is powered up and then if we insert headset
> then it is working fine by calling the interrupt handler and
> everything goes fine.

The standard soc-jack code should already be reading the state of the
GPIO as part of its startup.