Re: [PATCH] lis3lv02d: Add STMicroelectronics lis33ldlh digital

[Mark Brown]

On Thu, Jan 19, 2012 at 05:10:45PM +0000, Arnd Bergmann wrote:

> Having custom user interfaces inside an input driver however is very
> bad. I'm sure that other accelerometers will have the same requirements
> regarding polling frequency and enable/disable in android as well as
> anytwhere else and it should absolutely not be handled by a user space
> HAL but instead inside of the kernel, using a common method for all
> available drivers.

The polling frequency thing isn't even accelerometer specific, there's a
general need for this on a wide range of other things like touchscreens
(where controlling the sample rate is interesting for power, there are
widely varying requirements depending on what the screen is doing).
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