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From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Dmitry Torokhov <dtor@mail.ru>,
	linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
	Liam Girdwood <liam.girdwood@wolfsonmicro.com>,
	Graeme Gregory <gg@opensource.wolfsonmicro.com>,
	Mike Arthur <mike.arthur@wolfsonmicro.com>,
	Dmitry Baryshkov <dbaryshkov@gmail.com>,
	Stanley Cai <stanley.cai@intel.com>,
	Rodolfo Giometti <giometti@enneenne.com>,
	Russell King <rmk@arm.linux.org.uk>,
	Marc Kleine-Budde <mkl@pengutronix.de>,
	Pete MacKay <linux01@architechnical.net>,
	Ian Molton <spyro@f2s.com>, Vince Sanders <vince@kyllikki.org>,
	Andrew Zabolotny <zap@homelink.ru>
Subject: Re: [PATCH 3/6] Add chip driver for WM9712 touchscreen
Date: Thu, 28 Feb 2008 13:07:34 +0000	[thread overview]
Message-ID: <20080228130734.GB20092@rakim.wolfsonmicro.main> (raw)
In-Reply-To: <20080227230937.e3e0fb41.akpm@linux-foundation.org>

On Wed, Feb 27, 2008 at 11:09:37PM -0800, Andrew Morton wrote:

> I assume we don't support more than one attached device per host?

Yes.

> If so, is that a problem?  One could envisage an application with lots
> of screens attached to one Linux box.

Indeed, but it's fairly unlikely that such an application would do so
using multiple instances of these particular controllers.  They are all
primary-only devices so having more than one of them in the system
requires multiple AC97 controllers which is pretty unusual.  They're
also multi function devices with audio CODECs as well - people would be
relatively unlikely to use them for the touchscreen functionality alone.

If someone does come up with an application which needs more than one of
these we can deal with it then but it's not an issue for most applications.

  reply	other threads:[~2008-02-28 13:07 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <12040332183316-git-send-email-broonie@opensource.wolfsonmicro.com>
2008-02-26 13:40 ` [PATCH 1/6] Core driver for WM97xx touchscreens Mark Brown
     [not found]   ` <12040332182008-git-send-email-broonie@opensource.wolfsonmicro.com>
2008-02-26 13:40     ` [PATCH 4/6] Add chip driver for WM9713 touchscreen Mark Brown
     [not found]   ` <12040332182098-git-send-email-broonie@opensource.wolfsonmicro.com>
2008-02-26 13:40     ` [PATCH 6/6] Build system and MAINTAINERS entry for WM97xx touchscreen drivers Mark Brown
     [not found]   ` <12040332181161-git-send-email-broonie@opensource.wolfsonmicro.com>
2008-02-26 13:40     ` [PATCH 2/6] Add chip driver for WM9705 touchscreen Mark Brown
2008-02-28  7:09     ` Andrew Morton
2008-02-28 11:46       ` Mark Brown
     [not found]   ` <12040332181394-git-send-email-broonie@opensource.wolfsonmicro.com>
2008-02-26 13:40     ` [PATCH 3/6] Add chip driver for WM9712 touchscreen Mark Brown
2008-02-28  7:09     ` Andrew Morton
2008-02-28 13:07       ` Mark Brown [this message]
     [not found]   ` <12040332181746-git-send-email-broonie@opensource.wolfsonmicro.com>
2008-02-26 13:40     ` [PATCH 5/6] Driver for WM97xx touchscreens in streaming mode on Mainstone Mark Brown
2008-02-28  7:09     ` Andrew Morton
2008-02-29 16:18       ` Mark Brown
2008-02-28  7:09 ` [PATCH 1/6] Core driver for WM97xx touchscreens Andrew Morton
2008-02-28 15:30   ` Mark Brown
2008-04-01 10:28 WM97xx touchscreen drivers Mark Brown
2008-04-01 10:36 ` [PATCH 1/6] Core driver for WM97xx touchscreens Mark Brown
2008-04-01 10:36   ` [PATCH 2/6] Add chip driver for WM9705 touchscreen Mark Brown
2008-04-01 10:36     ` [PATCH 3/6] Add chip driver for WM9712 touchscreen Mark Brown
  -- strict thread matches above, loose matches on Subject: below --
2008-03-20  9:39 WM97xx touchscreen drivers Mark Brown
2008-03-20  9:42 ` [PATCH 1/6] Core driver for WM97xx touchscreens Mark Brown
2008-03-20  9:42   ` [PATCH 2/6] Add chip driver for WM9705 touchscreen Mark Brown
2008-03-20  9:42     ` [PATCH 3/6] Add chip driver for WM9712 touchscreen Mark Brown
2008-03-04 14:02 WM97xx touchscreen drivers Mark Brown
2008-03-04 14:04 ` [PATCH 1/6] Core driver for WM97xx touchscreens Mark Brown
2008-03-04 14:04   ` [PATCH 2/6] Add chip driver for WM9705 touchscreen Mark Brown
2008-03-04 14:04     ` [PATCH 3/6] Add chip driver for WM9712 touchscreen Mark Brown
2008-02-29 16:50 WM97xx touchscreen drivers Mark Brown
2008-02-29 16:52 ` [PATCH 1/6] Core driver for WM97xx touchscreens Mark Brown
2008-02-29 16:52   ` [PATCH 2/6] Add chip driver for WM9705 touchscreen Mark Brown
2008-02-29 16:52     ` [PATCH 3/6] Add chip driver for WM9712 touchscreen Mark Brown
2008-02-13 14:06 [UPDATED v7] WM97xx touchscreen drivers Mark Brown
2008-02-13 14:13 ` [PATCH 1/6] Core driver for WM97xx touchscreens Mark Brown
2008-02-13 14:13   ` [PATCH 2/6] Add chip driver for WM9705 touchscreen Mark Brown
2008-02-13 14:13     ` [PATCH 3/6] Add chip driver for WM9712 touchscreen Mark Brown
2008-02-12 10:17 [UPDATED v6] WM97xx touchscreen drivers Mark Brown
2008-02-12 10:21 ` [PATCH 1/6] Core driver for WM97xx touchscreens Mark Brown
2008-02-12 10:21   ` [PATCH 2/6] Add chip driver for WM9705 touchscreen Mark Brown
2008-02-12 10:21     ` [PATCH 3/6] Add chip driver for WM9712 touchscreen Mark Brown
2008-01-26 15:18 [UPDATED v4] WM97xx touchscreen drivers Mark Brown
2008-01-26 17:28 ` [PATCH 1/6] Core driver for WM97xx touchscreens Mark Brown
2008-01-26 17:28   ` [PATCH 2/6] Add chip driver for WM9705 touchscreen Mark Brown
2008-01-26 17:28     ` [PATCH 3/6] Add chip driver for WM9712 touchscreen Mark Brown
2008-01-21 15:24 [UPDATED v3] WM97xx touchscreen drivers Mark Brown
2008-01-21 15:24 ` [PATCH 1/6] Core driver for WM97xx touchscreens Mark Brown
2008-01-21 15:24   ` [PATCH 2/6] Add chip driver for WM9705 touchscreen Mark Brown
2008-01-21 15:24     ` [PATCH 3/6] Add chip driver for WM9712 touchscreen Mark Brown
2008-01-10 11:51 [PATCH 1/6] Core driver for WM97xx touchscreens Mark Brown
2008-01-10 11:51 ` [PATCH 2/6] Add chip driver for WM9705 touchscreen Mark Brown
2008-01-10 11:51   ` [PATCH 3/6] Add chip driver for WM9712 touchscreen Mark Brown

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