Using PXA arm board with MAX7319 GPIO expander input
maz at misterjones.org
Mon Feb 8 07:32:38 EST 2010
> I just saw that there is indeed no support for irq line handling in this
> driver. In order to use these lines as input for something like the
> gpio_keys driver, support for that should be added. I never used this
> driver and can't say whether it is under active development.
It should be rather easy to introduce something similar to what I did for
the pca953x driver (http://patchwork.kernel.org/patch/77418/)
MAX732x seems a lot saner than PCA953x, as it has at least a hardware
And if you don't know where you're going, any road will take you there...
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