linux-kernel - Re: [PATCH 2/3] cap1106: support for active-high interrupt option

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Message-ID: <20140922055656.GA4147@core.coreip.homeip.net>
Date:	Sun, 21 Sep 2014 22:56:56 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Daniel Mack <daniel@...que.org>
Cc:	Matt Ranostay <mranostay@...il.com>, galak@...eaurora.org,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	robh+dt@...nel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 2/3] cap1106: support for active-high interrupt option

On Sun, Sep 21, 2014 at 12:06:30PM +0200, Daniel Mack wrote:
> On 09/21/2014 05:01 AM, Matt Ranostay wrote:
> > Some applications need to use the active-high push-pull interrupt
> > option. This allows it be enabled in the device tree child node.
> > 
> > Signed-off-by: Matt Ranostay <mranostay@...il.com>
> > ---
> >  drivers/input/keyboard/cap1106.c | 6 ++++++
> >  1 file changed, 6 insertions(+)
> > 
> > diff --git a/drivers/input/keyboard/cap1106.c b/drivers/input/keyboard/cap1106.c
> > index b9c43b5..33e2590 100644
> > --- a/drivers/input/keyboard/cap1106.c
> > +++ b/drivers/input/keyboard/cap1106.c
> > @@ -234,6 +234,12 @@ static int cap1106_i2c_probe(struct i2c_client *i2c_client,
> >  			dev_err(dev, "Invalid sensor-gain value %d\n", gain32);
> >  	}
> >  
> > +	if (of_property_read_bool(node, "microchip,active-high")) {
> 
> I think the name of that property should make clear it's only changing
> the interrupt output driver configuration. What about
> "microchip,irq-active-high"?

Can we infer the setting from IRQ flags by chance?

Thanks.

-- 
Dmitry
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