Re: [PATCH] HID: magicmouse: Correct report range of major / minor axes

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On Fri, Jun 22, 2012 at 12:31:53PM -0400, Yufeng Shen wrote:
> In patch "HID: magicmouse: Adjust major / minor axes to scale",
> touch_major and touch_minor axes are scaled by a factor of
> four when reported but the max touch_major/minor is not scaled
> accordingly. This patch scales the max touch_major/minor to
> be consistent with the reported value.
> 
> Signed-off-by: Yufeng Shen <miletus@xxxxxxxxxxxx>
> ---
>  drivers/hid/hid-magicmouse.c |    6 ++++--
>  1 files changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
> index 7cf3ffe..40ac665 100644
> --- a/drivers/hid/hid-magicmouse.c
> +++ b/drivers/hid/hid-magicmouse.c
> @@ -426,8 +426,10 @@ static void magicmouse_setup_input(struct input_dev *input, struct hid_device *h
>  		__set_bit(EV_ABS, input->evbit);
>  
>  		input_set_abs_params(input, ABS_MT_TRACKING_ID, 0, 15, 0, 0);
> -		input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, 255, 4, 0);
> -		input_set_abs_params(input, ABS_MT_TOUCH_MINOR, 0, 255, 4, 0);
> +		input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, 255 << 2,
> +				     4, 0);
> +		input_set_abs_params(input, ABS_MT_TOUCH_MINOR, 0, 255 << 2,
> +				     4, 0);
>  		input_set_abs_params(input, ABS_MT_ORIENTATION, -31, 32, 1, 0);
>  
>  		/* Note: Touch Y position from the device is inverted relative
> -- 
> 1.7.7.3
> 

    Acked-by: Henrik Rydberg <rydberg@xxxxxxxxxxx>

Thanks,
Henrik
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