Re: [PATCH] HID: Add support for Mega World controller force feedback

From: Jiri Kosina
Date: Mon Apr 11 2022 - 11:11:02 EST


On Tue, 8 Feb 2022, frank zago wrote:

> This patch adds support for one of the several Mega World USB game
> controller with integrated force feedback. It is a HID based
> memory-less game controller, with a weak motor on the left, and a
> strong one on the right.
>
> Signed-off-by: frank zago <frank@xxxxxxxx>
> ---
> drivers/hid/Kconfig | 14 ++++
> drivers/hid/Makefile | 1 +
> drivers/hid/hid-ids.h | 3 +
> drivers/hid/hid-megaworld.c | 136 ++++++++++++++++++++++++++++++++++++
> 4 files changed, 154 insertions(+)
> create mode 100644 drivers/hid/hid-megaworld.c
>
> diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
> index f5544157576c..2344830d3680 100644
> --- a/drivers/hid/Kconfig
> +++ b/drivers/hid/Kconfig
> @@ -684,6 +684,20 @@ config HID_MAYFLASH
> Say Y here if you have HJZ Mayflash PS3 game controller adapters
> and want to enable force feedback support.
>
> +config HID_MEGAWORLD
> + tristate "Mega World based game controller support"
> + depends on HID
> + help
> + Say Y here if you have a Mega World based game controller.
> +
> +config MEGAWORLD_FF
> + bool "Mega World based game controller force feedback support"
> + depends on HID_MEGAWORLD
> + select INPUT_FF_MEMLESS
> + help
> + Say Y here if you have a Mega World based game controller and want
> + to have force feedback support for it.
> +

Hi Frank,

as the *only* functionality provided by the driver seems to be the force
feedback, does it really make sense to decouple the two options?

Thanks,

--
Jiri Kosina
SUSE Labs