From: Felipe Balbi <me@felipebalbi.com>
To: "Lopez Cruz, Misael" <x0052729@ti.com>
Cc: "linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>
Subject: Re: Configuring a TWL GPIO pin as an interrupt
Date: Sat, 21 Feb 2009 04:39:24 +0200 [thread overview]
Message-ID: <20090221023924.GD6224@gandalf> (raw)
In-Reply-To: <2C7D3DF36ADFFC479B44490D912B616705D6329B7D@dlee07.ent.ti.com>
On Fri, Feb 20, 2009 at 08:27:54PM -0600, Lopez Cruz, Misael wrote:
> Hi,
>
> I'm interested in bringing headset detection feature for audio. The detection is done through TWL GPIO_2. How can I configure a GPIO pin to generate an interrupt? Is there any API? Could you please point out another driver using that functionality so I can use as reference?
gpio_request(GPIO_NUMBER, "Headset IRQ");
gpio_direction_input(GPIO_NUMBER);
request_irq(client->irq, lm8323_irq, flags | IRQF_SHARED, DRIVER_NAME, dev);
that should do it :-)
see that GPIO_NUMBER will be gpio_base + 2, base is board-specific
--
balbi
next prev parent reply other threads:[~2009-02-21 2:39 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-21 2:27 Configuring a TWL GPIO pin as an interrupt Lopez Cruz, Misael
2009-02-21 2:39 ` Felipe Balbi [this message]
2009-02-21 5:12 ` David Brownell
2009-02-23 6:07 ` Lopez Cruz, Misael
2009-02-23 7:26 ` David Brownell
2009-02-23 22:11 ` Lopez Cruz, Misael
2009-02-23 22:20 ` Mark Brown
2009-02-24 17:37 ` Lopez Cruz, Misael
2009-02-24 18:46 ` Mark Brown
2009-02-23 14:17 ` Mark Brown
2009-02-21 10:33 ` Koen Kooi
2009-02-22 20:35 ` Mark Brown
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