From: Dmitry Torokhov <dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Damien Riegel
<damien.riegel-4ysUXcep3aM1wj+D4I0NRVaTQe2KTcn/@public.gmane.org>
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
Ian Campbell
<ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>,
Kumar Gala <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
kernel-4ysUXcep3aM1wj+D4I0NRVaTQe2KTcn/@public.gmane.org
Subject: Re: [PATCH 2/2] Input: add touchscreen support for TS-4800
Date: Sat, 12 Dec 2015 20:58:58 -0800 [thread overview]
Message-ID: <20151213045858.GB22780@dtor-ws> (raw)
In-Reply-To: <1449763872-572-2-git-send-email-damien.riegel-4ysUXcep3aM1wj+D4I0NRVaTQe2KTcn/@public.gmane.org>
Hi Damien,
On Thu, Dec 10, 2015 at 11:11:12AM -0500, Damien Riegel wrote:
> On this board, the touchscreen, an ads7843, is not handled directly by
> Linux but by a companion FPGA. This FPGA is memory-mapped and the IP
> design is very similar to the mk712.
...
> +
> + poll_dev = devm_input_allocate_polled_device(&pdev->dev);
> + if (!poll_dev)
> + return -ENOMEM;
I wonder how useful touchscreen implemented as polling device is. Isn't
there an interrupt line for it?
Thanks.
--
Dmitry
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2015-12-13 4:58 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-10 16:11 [PATCH 1/2] Input: add touchscreen bindings for TS-4800 Damien Riegel
[not found] ` <1449763872-572-1-git-send-email-damien.riegel-4ysUXcep3aM1wj+D4I0NRVaTQe2KTcn/@public.gmane.org>
2015-12-10 16:11 ` [PATCH 2/2] Input: add touchscreen support " Damien Riegel
[not found] ` <1449763872-572-2-git-send-email-damien.riegel-4ysUXcep3aM1wj+D4I0NRVaTQe2KTcn/@public.gmane.org>
2015-12-13 4:58 ` Dmitry Torokhov [this message]
2015-12-13 20:55 ` Damien Riegel
2015-12-17 4:11 ` Dmitry Torokhov
2015-12-11 3:39 ` [PATCH 1/2] Input: add touchscreen bindings " Rob Herring
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20151213045858.GB22780@dtor-ws \
--to=dmitry.torokhov-re5jqeeqqe8avxtiumwx3w@public.gmane.org \
--cc=damien.riegel-4ysUXcep3aM1wj+D4I0NRVaTQe2KTcn/@public.gmane.org \
--cc=devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org \
--cc=ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org \
--cc=kernel-4ysUXcep3aM1wj+D4I0NRVaTQe2KTcn/@public.gmane.org \
--cc=linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=mark.rutland-5wv7dgnIgG8@public.gmane.org \
--cc=pawel.moll-5wv7dgnIgG8@public.gmane.org \
--cc=robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).