From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Siarhei Vishniakou <svv@google.com>
Cc: rydberg@bitmath.org, linux-input@vger.kernel.org
Subject: Re: [PATCH] Document the units for resolution of size axes
Date: Fri, 8 Jul 2022 22:02:26 -0700 [thread overview]
Message-ID: <YskL4oa+SGuwKamT@google.com> (raw)
In-Reply-To: <20220520084514.3451193-1-svv@google.com>
On Fri, May 20, 2022 at 01:45:14AM -0700, Siarhei Vishniakou wrote:
> Today, the resolution of size axes is not documented. As a result, it's
> not clear what the canonical interpretation of this value should be. On
> Android, there is a need to calculate the size of the touch ellipse in
> physical units (millimeters).
>
> After reviewing linux source, it turned out that most of the existing
> usages are already interpreting this value as "units/mm". This
> documentation will make it explicit. This will help device
> implementations with correctly following the linux specs, and will
> ensure that the devices will work on Android without needing further
> customized parameters for scaling of major/minor values.
>
> Signed-off-by: Siarhei Vishniakou <svv@google.com>
> Change-Id: I4a2de9e6d02e5fd707e5d312f5c3325734266a6e
Applied, thank you.
--
Dmitry
prev parent reply other threads:[~2022-07-09 5:02 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-20 8:45 [PATCH] Document the units for resolution of size axes Siarhei Vishniakou
2022-05-20 16:00 ` Jeff LaBundy
2022-05-24 16:53 ` Siarhei Vishniakou
2022-05-27 22:36 ` Jeff LaBundy
2022-07-08 19:08 ` Siarhei Vishniakou
2022-07-09 5:02 ` Dmitry Torokhov [this message]
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