[PATCH 04/10] of/i2c: Add support for I2C_CLIENT_WAKE when booting with Device Tree

[lee.jones@linaro.org (Lee Jones)]

On Fri, 05 Oct 2012, Rob Herring wrote:

> On 10/05/2012 10:31 AM, Lee Jones wrote:
> > It's important for wakeup sources such as keyboards, power buttons
> > and the like to identify themselves as wakeup devices. Until now
> > this has not been possible when platforms are booting via Device
> > Tree.
> 
> A similar feature from Olof already went in for 3.7.

Ah yes, I see it. Thanks Rob.

> > Cc: Rob Herring <rob.herring@calxeda.com>
> > Cc: devicetree-discuss at lists.ozlabs.org
> > Acked-by: Linus Walleij <linus.walleij@linaro.org>
> > Signed-off-by: Lee Jones <lee.jones@linaro.org>
> > ---
> >  drivers/of/of_i2c.c |    3 +++
> >  1 file changed, 3 insertions(+)
> > 
> > diff --git a/drivers/of/of_i2c.c b/drivers/of/of_i2c.c
> > index 1e173f3..2f20019 100644
> > --- a/drivers/of/of_i2c.c
> > +++ b/drivers/of/of_i2c.c
> > @@ -61,6 +61,9 @@ void of_i2c_register_devices(struct i2c_adapter *adap)
> >  		info.of_node = of_node_get(node);
> >  		info.archdata = &dev_ad;
> >  
> > +		if (of_get_property(node, "i2c-client-wake", NULL))
> > +			info.flags |= I2C_CLIENT_WAKE;
> > +
> >  		request_module("%s%s", I2C_MODULE_PREFIX, info.type);
> >  
> >  		result = i2c_new_device(adap, &info);
> > 

-- 
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org ? Open source software for ARM SoCs
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