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

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Message-ID: <alpine.LNX.2.00.1206251530300.18612@pobox.suse.cz>
Date:	Mon, 25 Jun 2012 15:30:38 +0200 (CEST)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Henrik Rydberg <rydberg@...omail.se>
Cc:	Yufeng Shen <miletus@...omium.org>, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Andrew de los Reyes <adlr@...omium.org>
Subject: Re: [PATCH] HID: magicmouse: Correct report range of major / minor
 axes

On Mon, 25 Jun 2012, Henrik Rydberg 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@...omium.org>
> > ---
> >  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@...omail.se>

Applied, thanks.

-- 
Jiri Kosina
SUSE Labs
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