On Mon, Nov 22, 2010 at 6:49 AM, Nori, Sekhar <nsekhar@xxxxxx> wrote:
> On Fri, Nov 19, 2010 at 21:08:10, Ben Gardiner wrote:
>> [...]
>> By setting INPUT_POLLDEV default for the da850-evm users will get
>> functioning pushbuttons and switches with the default config but they
>> will be able to disable INPUT_POLLDEV or gpio-keys drivers in their
>> defconfig at their convenience.
>
> I guess we could also just modify the defconfig to switch on
> INPUT_POLLDEV? Since only gpio-keys functionality is affected
> by not enabling the correct options in kernel, it should be OK.
Yes -- only gpio-keys is affected but enabling the option does
introduce an additional .o file:
drivers/input/Makefile:obj-$(CONFIG_INPUT_POLLDEV) += input-polldev.o
I agree that in its current state a user couls inadvertently disable
the gpio-keys support on da850-evm simply by disabling INPUT_POLLDEV
-- which is less than Ideal. How about I replace the current changes
to arch/arm/mach-davinci/Kconfig with:
config KEYBOARD_GPIO
default MACH_DAVINCI_DA850_EVM
select INPUT_POLLDEV
So 1) gpio-keys functionality is default for the da850evm and 2)
whenever gpio-keys is enabled so is INPUT_POLLDEV.
Best Regards,
Ben Gardiner
---
Nanometrics Inc.
http://www.nanometrics.ca
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