Re: [PATCH V2 1/4] i2c: Add irq_gpio field to struct i2c_client.

[Mark Brown]

On Thu, Sep 01, 2011 at 10:52:41AM -0600, Stephen Warren wrote:
> Some devices use a single pin as both an IRQ and a GPIO. In that case,
> irq_gpio is the GPIO ID for that pin. Not all drivers use this feature.
> Where they do, and the use of this feature is optional, and the system
> wishes to disable this feature, this field must be explicitly set to a
> defined invalid GPIO ID, such as -1.
> 
> Signed-off-by: Stephen Warren <swarren@xxxxxxxxxx>

SPI could also benefit from this.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/