Re: [lm-sensors] [RFC][PATCH] Apple SMC driver (hardware monitoringand control)

[Jean Delvare]

On Mon, 19 Mar 2007 17:43:38 -0400, Bob Copeland wrote:
> I tried out an earlier version of this patch several months ago just to play
> around with the joystick part of the accelerometer driver on my MacBook, and
> found that it was backwards in the y-direction compared to what Neverball
> seemed to want (of course, NB has no way to invert the joystick).  I think
> I just did something like this in my own copy:
> 
> +       y = -y;
>         input_report_abs(applesmc_idev, ABS_X, x - rest_x);
>         input_report_abs(applesmc_idev, ABS_Y, y - rest_y);
> 
> I don't claim you necessarily want to change it, but thought I'd pass it
> along.

This appears to be a common problem with these devices, the hdaps driver
(IBM) needs to invert the axis on some models too, and I seem to
remember something similar for the (not yet merged) HP laptops
accelerometer driver.

-- 
Jean Delvare
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