linux-input.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: "Henrik Rydberg" <rydberg@euromail.se>
To: Daniel Kurtz <djkurtz@chromium.org>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Joonyoung Shim <jy0922.shim@samsung.com>,
	Nick Dyer <nick.dyer@itdev.co.uk>,
	linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
	Benson Leung <bleung@chromium.org>,
	Yufeng Shen <miletus@chromium.org>
Subject: Re: [PATCH 11/16 v2] Input: atmel_mxt_ts - refactor reading object table
Date: Fri, 13 Apr 2012 11:34:46 +0200	[thread overview]
Message-ID: <20120413093446.GA4218@polaris.bitmath.org> (raw)
In-Reply-To: <CAGS+omD5WxL4mrt8Czw7M3OAbuBH2CVO-EmFmhG3VucSNRuLCw@mail.gmail.com>

> > Putting this conversion in a function would be nice, it would also
> > make it clear that the inverse, used for writing, is currently
> > missing. Alternatively, how about making the object struct actually
> > match the read data? To top it off, one could introduce a collection,
> > prepending the buffer size, making the write operation trivial.
> 
> AFAIK, there is no corresponding "object table" write. The "object
> table" (maybe more aptly named the "object descriptor table") is an
> immutable blob read from firmware that describes some actual data
> objects elsewhere in device memory.  It is those actual objects that
> are writable.  When they are written, it is the actual size, location
> and number of instances (not their raw '-1' values) that is useful.

I am talking about the data that is being read here and written in
mxt_check_reg_init(). By matching the struct with that data, all the
copies you make would go away.

Henrik

  reply	other threads:[~2012-04-13  9:32 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-29 16:49 [PATCH 00/16 v2] cleanup atmel_mxt_ts Daniel Kurtz
2012-03-29 16:49 ` [PATCH 01/16 v2] Input: atmel_mxt_ts - use CONFIG_PM_SLEEP Daniel Kurtz
2012-03-29 16:49 ` [PATCH 02/16 v2] Input: atmel_mxt_ts - only allow root to update firmware Daniel Kurtz
2012-03-29 16:49 ` [PATCH 03/16 v2] Input: atmel_mxt_ts - refactor mxt_read/write_reg to take a length Daniel Kurtz
2012-04-11  9:05   ` Henrik Rydberg
2012-04-14  4:12     ` Daniel Kurtz
2012-03-29 16:49 ` [PATCH 04/16 v2] Input: atmel_mxt_ts - store actual size and instance Daniel Kurtz
2012-03-29 16:49 ` [PATCH 05/16 v2] Input: atmel_mxt_ts - verify object size in mxt_write_object Daniel Kurtz
2012-03-29 16:49 ` [PATCH 06/16 v2] Input: atmel_mxt_ts - do not read extra (checksum) byte Daniel Kurtz
2012-03-29 16:49 ` [PATCH 07/16 v2] Input: atmel_mxt_ts - dump each message on just 1 line Daniel Kurtz
2012-03-29 16:49 ` [PATCH 08/16 v2] Input: atmel_mxt_ts - refactor mxt_object_show Daniel Kurtz
2012-04-11 16:25   ` Henrik Rydberg
2012-03-29 16:49 ` [PATCH 09/16 v2] Input: atmel_mxt_ts - optimize writing of object table entries Daniel Kurtz
2012-04-13  9:13   ` Henrik Rydberg
2012-03-29 16:49 ` [PATCH 10/16 v2] Input: atmel_mxt_ts - refactor get info Daniel Kurtz
2012-03-29 16:49 ` [PATCH 11/16 v2] Input: atmel_mxt_ts - refactor reading object table Daniel Kurtz
2012-04-13  9:11   ` Henrik Rydberg
2012-04-13  9:21     ` Daniel Kurtz
2012-04-13  9:34       ` Henrik Rydberg [this message]
2012-04-13 10:10         ` Daniel Kurtz
2012-04-13 11:09           ` Henrik Rydberg
2012-03-29 16:49 ` [PATCH 12/16 v2] Input: atmel_mxt_ts - simplify event reporting Daniel Kurtz
2012-03-29 16:49 ` [PATCH 13/16 v2] Input: atmel_mxt_ts - cache T9 reportid range when reading object table Daniel Kurtz
2012-03-29 16:49 ` [PATCH 14/16 v2] Input: atmel_mxt_ts - parse vector field of data packets Daniel Kurtz
2012-03-29 16:49 ` [PATCH 15/16 v2] Input: atmel_mxt_ts - send all MT-B slots in one input report Daniel Kurtz
2012-04-13  9:20   ` Henrik Rydberg
2012-03-29 16:49 ` [PATCH 16/16 v2] Input: atmel_mxt_ts - parse T6 reports Daniel Kurtz
2012-04-09 13:14 ` [PATCH 00/16 v2] cleanup atmel_mxt_ts Daniel Kurtz

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=20120413093446.GA4218@polaris.bitmath.org \
    --to=rydberg@euromail.se \
    --cc=bleung@chromium.org \
    --cc=djkurtz@chromium.org \
    --cc=dmitry.torokhov@gmail.com \
    --cc=jy0922.shim@samsung.com \
    --cc=linux-input@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=miletus@chromium.org \
    --cc=nick.dyer@itdev.co.uk \
    /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).