Re: [PATCH v4 00/24] input: Introduce ff-memless-next as an improved replacement for ff-memless

[Jiri Kosina]

On Sat, 26 Apr 2014, Michal Malý wrote:

> ff-memless-next (MLNX) is a largely improved version of the current ff-memless
> (FFML) driver. MLNX supports all force feedback effects currently available in
> the Linux force feedback userspace API. All effects are handled in accordance
> with Microsoft's DirectInput/XInput. Most notable changes include support for
> conditional effects, proper handling of all periodic waveforms and improved
> emulation of rumble effects through periodic effects. MLNX also uses its own
> kernel API to pass processed effects to hardware-specific drivers instead of
> abusing "ff_effect" struct. The API is documented in the respective header
> file.
> 
> MLNX has been expanded to be a direct replacement for FFML.
> 
> Support for FF_PERIODIC and FF_RAMP has been added to all devices that
> support FF_CONSTANT as a part of the port to the new API.
> 
> This patch series:
> 1) Adds "ff-memless-next" module [1]
> 2) Ports all hardware-specific drivers to MLNX's API [2-23]
> 3) Removes FFML and replaces it with MLNX [24]

Dmitry,

what are your plans with this, please?

I personally don't really completely like having two implementations of FF 
in the kernel; can't it be really done as an extension to ff-memless?

Thanks,

-- 
Jiri Kosina
SUSE Labs
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