linux-kernel - Re: [PATCH 1/4] HID: multitouch: add MT_QUIRK_NOT_SEEN_MEANS_UP to MT_CLS_WIN

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Message-ID: <20180809235732.oecx4jfyzerjgsvu@gmail.com>
Date:   Thu, 9 Aug 2018 13:57:33 -1000
From:   Joey Pabalinas <joeypabalinas@...il.com>
To:     Benjamin Tissoires <benjamin.tissoires@...hat.com>
Cc:     Joey Pabalinas <joeypabalinas@...il.com>,
        "open list:HID CORE LAYER" <linux-input@...r.kernel.org>,
        lkml <linux-kernel@...r.kernel.org>,
        Jiri Kosina <jikos@...nel.org>,
        Daniel Martin <consume.noise@...il.com>
Subject: Re: [PATCH 1/4] HID: multitouch: add MT_QUIRK_NOT_SEEN_MEANS_UP to
 MT_CLS_WIN_8 quirks

On Tue, Jul 03, 2018 at 09:53:19AM +0200, Benjamin Tissoires wrote:
> NACK on this.
> If the Surface has a buggy firmware, we should handle it as a special
> case, not as a common failure.
> Also, I am not sure this quirk is compatible with Win 8 specification.
> Last, we now have a timeout for unreleased touches, so I really don't
> think you need that in recent kernels.
> 
> Cheers,
> Benjamin
> 
> >         { .name = MT_CLS_EXPORT_ALL_INPUTS,
> >                 .quirks = MT_QUIRK_ALWAYS_VALID |
> >                         MT_QUIRK_CONTACT_CNT_ACCURATE,
> >                 .export_all_inputs = true },
> >         { .name = MT_CLS_WIN_8_DUAL,
> > --
> > 2.18.0
> >
Ah shoot, I had completely missed this reply to my earlier patchset, I
apologize. Now that you mention it, I think handling it as a special
case would be a better way to handle it, so I'll do a bit more research
on the quirk thing and then revise my patches (assuming they end up
as something still worth sending). Appreciate the comments, thanks.

-- 
Cheers,
Joey Pabalinas

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