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From: Henrik Rydberg <rydberg@euromail.se>
To: Kevin McNeely <kev@cypress.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	David Brown <davidb@codeaurora.org>,
	Trilok Soni <tsoni@codeaurora.org>,
	Fred <fwk@ubuntu.linuxcertified.com>,
	Samuel Ortiz <sameo@linux.intel.com>,
	Eric Miao <eric.y.miao@gmail.com>,
	Ben Dooks <ben-linux@fluff.org>,
	Simtec Linux Team <linux@simtec.co.uk>,
	Todd Fischer <todd.fischer@ridgerun.com>,
	Arnaud Patard <arnaud.patard@rtp-net.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] i2c: cyttsp i2c and spi touchscreen driver init submit
Date: Fri, 06 Aug 2010 01:06:44 +0200	[thread overview]
Message-ID: <4C5B4404.6010602@euromail.se> (raw)
In-Reply-To: <1281031924-3032-1-git-send-email-kev@cypress.com>

On 08/05/2010 08:12 PM, Kevin McNeely wrote:

> From: Fred <fwk@ubuntu.linuxcertified.com>
> 
> This is a new touchscreen driver for the Cypress Semiconductor
> cyttsp family of devices.  This updated driver is for both the i2c and spi
> versions of the devices. The driver code consists of common core code for
> both i2c and spi driver.  This submission is in response to review comments
> from the initial submission.
> 
> Signed-off-by: Kevin McNeely <kev@cypress.com>
> ---


General impression: There is a lot of useful code in here, but as already
pointed out, well over half of it should not be part of the kernel driver.

Suggestion 1: Clean out the internal state code and use MT protocol B instead.

Suggestion 2: Cut out the single touch calculation, as already pointed out by
Trilok. Why not submit it to the mtdev project instead? The problem is generic
to all new MT drivers, so a common solution while waiting for full MT support in
userspace could be useful.

Thanks,
Henrik

  parent reply	other threads:[~2010-08-05 23:07 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <Kevin McNeely <kev@cypress.com>
2010-07-12 20:56 ` [PATCH] i2c: cyttsp i2c touchscreen driver init submit Kevin McNeely
2010-07-13  2:34   ` Christoph Fritz
2010-08-04 16:30     ` Kevin McNeely
2010-07-13  6:48   ` Henrik Rydberg
2010-08-04 16:38     ` Kevin McNeely
2010-07-13  7:31   ` Trilok Soni
2010-07-13  7:55     ` Dmitry Torokhov
2010-07-13  8:42       ` Trilok Soni
2010-07-22 10:33         ` Trilok Soni
2010-07-27 15:20           ` Kevin McNeely
2010-08-04 17:27       ` Kevin McNeely
     [not found]     ` <4C3C1654.9010204-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2010-07-19  9:28       ` Jean Delvare
2010-08-04 17:22     ` Kevin McNeely
2010-08-05 18:12 ` [PATCH] i2c: cyttsp i2c and spi " Kevin McNeely
2010-08-05 20:45   ` Trilok Soni
2010-08-05 21:07     ` Dmitry Torokhov
2010-08-07  0:39       ` Kevin McNeely
2010-08-07  0:52     ` Kevin McNeely
2010-08-05 23:06   ` Henrik Rydberg [this message]
2010-08-07  0:32     ` Kevin McNeely
2010-08-07  0:49       ` Henrik Rydberg
2010-08-10  0:51         ` Kevin McNeely
2010-08-06  9:06   ` Trilok Soni
2010-08-10  0:49     ` Kevin McNeely
2010-11-09 18:25 ` [PATCH] touchscreen: Cypress TTSP G3 MTDEV Core Driver Kevin McNeely
2010-11-15 16:46   ` Henrik Rydberg
2010-11-19 17:39     ` Kevin McNeely
2010-12-01  7:22       ` Trilok Soni
2010-12-01 14:38         ` Henrik Rydberg
2010-12-01 23:59           ` Kevin McNeely
2010-12-02  0:01             ` Henrik Rydberg
2010-12-02  0:34   ` Dmitry Torokhov
2010-11-09 18:25 ` [PATCH] i2c: Cypress TTSP G3 MTDEV I2C Device Driver Kevin McNeely
2010-11-09 18:25 ` [PATCH] spi: Cypress TTSP G3 MTDEV SPI " Kevin McNeely
2010-12-04  2:06 ` [v2] touchscreen Cypress TTSP G3 MTDEV Core Driver Kevin McNeely
2010-12-05  9:11   ` Henrik Rydberg
2010-12-04  2:06 ` [v2] 2/3 i2c: Cypress TTSP G3 MTDEV I2C Device Driver Kevin McNeely
2010-12-04  2:06 ` [v2] 3/3 spi: Cypress TTSP G3 MTDEV SPI " Kevin McNeely
2010-12-29 19:17 ` [v3 1/3] 1/3 Touchscreen: Cypress TTSP G3 MTDEV Core Driver Kevin McNeely
2010-12-30  6:04   ` Shubhrajyoti Datta
2011-01-05  0:45     ` Kevin McNeely
2010-12-31 11:53   ` Henrik Rydberg
2010-12-31 12:55     ` Trilok Soni
2010-12-31 13:58       ` Henrik Rydberg
2011-01-03  9:44         ` Trilok Soni
2011-01-03 17:03     ` Kevin McNeely
2011-01-03 18:45       ` Henrik Rydberg
2011-01-03 20:50         ` Kevin McNeely
2011-01-04  1:50   ` Hong Liu
2011-01-05  0:38     ` Kevin McNeely
2010-12-29 19:17 ` [v3 2/3] 2/3 i2c: Cypress TTSP G3 MTDEV I2C Device Driver Kevin McNeely
2011-01-04  1:45   ` Hong Liu
2011-01-05  0:37     ` Kevin McNeely
2010-12-29 19:17 ` [v3 3/3] 3/3 spi: Cypress TTSP G3 MTDEV SPI " Kevin McNeely
2011-01-05  0:54 ` [v4 1/3] 1/3 Touchscreen: Cypress TTSP G3 Core Driver Kevin McNeely
2011-01-05  8:59   ` Henrik Rydberg
2011-01-05 17:07     ` Kevin McNeely
2011-01-05 17:34       ` Henrik Rydberg
2011-01-10 19:27         ` Kevin McNeely
2011-01-10 21:11           ` Dmitry Torokhov
2011-01-10 21:17             ` Kevin McNeely
2011-02-24 18:31         ` Kevin McNeely
2011-02-27 12:34           ` Henrik Rydberg
2011-04-28  8:17   ` Srinidhi KASAGAR
2011-01-05  0:54 ` [v4 2/3] 2/3 i2c: Cypress TTSP G3 I2C Device Driver Kevin McNeely
2011-01-05  0:54 ` [v4 3/3] 3/3 spi: Cypress TTSP G3 SPI " Kevin McNeely
2011-01-12 18:45   ` Dmitry Torokhov
2011-01-12 19:02     ` Kevin McNeely
2011-01-20 11:10       ` Trilok Soni
2011-01-21  9:27         ` Dmitry Torokhov
2011-01-21 22:14           ` Kevin McNeely

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