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From: David Brownell <david-b@pacbell.net>
To: "Arve Hjønnevåg" <arve@android.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Peter Zijlstra <peterz@infradead.org>,
	Mark Brown <broonie@opensource.wolfsonmicro.com>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Trilok Soni <soni.trilok@gmail.com>, Pavel Machek <pavel@ucw.cz>,
	kernel list <linux-kernel@vger.kernel.org>,
	Brian Swetland <swetland@google.com>,
	linux-input@vger.kernel.org, Andrew Morton <akpm@osdl.org>,
	linux-i2c@vger.kernel.org,
	Joonyoung Shim <jy0922.shim@samsung.com>,
	m.szyprowski@samsung.com, t.fujak@samsung.com,
	kyungmin.park@samsung.com, Daniel Ribeiro <drwyrm@gmail.com>
Subject: Re: Threaded interrupts for synaptic touchscreen in HTC dream
Date: Wed, 22 Jul 2009 15:15:06 -0700	[thread overview]
Message-ID: <200907221515.07835.david-b@pacbell.net> (raw)
In-Reply-To: <d6200be20907221457r4e2f6d29g57146586fd13776a@mail.gmail.com>

On Wednesday 22 July 2009, Arve Hjønnevåg wrote:
> It would also be useful to mask an edge triggered interrupt until the
> thread handler has finished. The touchscreen on the G1 is connected to
> an edge triggered interrupt, and the touchscreen may toggle the
> interrupt line while reading its registers.

To clarify:  if it does toggle, do you want that event to be
queued up so the IRQ is re-issued -- or not?  That "oneshot"
mechanism does some of that, though it's for level triggers.

Parts of that might be appropriate to handle in the threaded
IRQ handler itself.  It seems a bit device-specific.

- Dave


  reply	other threads:[~2009-07-22 22:15 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-14 10:06 Support for synaptic touchscreen in HTC dream Pavel Machek
2009-07-14 10:20 ` Trilok Soni
2009-07-15 13:36   ` Pavel Machek
2009-07-15 17:33     ` Trilok Soni
2009-07-21 10:21       ` Pavel Machek
2009-07-21 10:34         ` Trilok Soni
2009-08-08 13:40           ` Synaptics touchscreen for HTC Dream: check that smbus is available Pavel Machek
2009-08-17 23:47             ` Andrew Morton
2009-08-21 14:23               ` Pavel Machek
2009-07-21 10:59       ` Threaded interrupts for synaptic touchscreen in HTC dream Pavel Machek
2009-07-21 11:36         ` Mark Brown
2009-07-21 12:18           ` Trilok Soni
2009-07-21 12:30             ` Trilok Soni
2009-07-21 12:49               ` Mark Brown
2009-07-21 16:04                 ` Dmitry Torokhov
2009-07-21 20:30                   ` Thomas Gleixner
2009-07-21 20:58                     ` Dmitry Torokhov
2009-07-21 21:48                       ` Thomas Gleixner
2009-07-21 22:25                     ` Mark Brown
2009-07-22 10:44                       ` Thomas Gleixner
2009-07-22 12:18                         ` Mark Brown
2009-07-22 12:58                           ` Thomas Gleixner
2009-07-22 13:30                             ` Peter Zijlstra
2009-07-22 14:18                               ` Thomas Gleixner
2009-07-22 14:32                                 ` Mark Brown
2009-07-22 14:52                                   ` Thomas Gleixner
2009-07-22 14:56                                     ` Mark Brown
2009-07-22 15:15                                       ` Thomas Gleixner
2009-07-22 15:56                                         ` Mark Brown
2009-07-22 16:57                               ` David Brownell
2009-07-22 21:04                                 ` Thomas Gleixner
2009-07-22 21:57                                   ` Arve Hjønnevåg
2009-07-22 22:15                                     ` David Brownell [this message]
2009-07-22 23:30                                       ` Arve Hjønnevåg
2009-07-22 22:09                                   ` David Brownell
2009-07-23  4:43                                   ` Dmitry Torokhov
2009-07-22 13:31                             ` Mark Brown
2009-07-22 17:04                               ` David Brownell
2009-07-22 17:08                                 ` Mark Brown
2009-07-22 16:04                             ` Dmitry Torokhov
2009-07-22 16:40                               ` Thomas Gleixner
2009-07-22 16:57                                 ` Mark Brown
2009-07-22 17:08                                 ` Dmitry Torokhov
2009-07-22 17:13                                 ` David Brownell
2009-07-22 16:51                             ` David Brownell
2009-07-22 16:39                     ` David Brownell
2009-07-22 16:43                       ` Thomas Gleixner
2009-07-22 17:34                         ` David Brownell
2009-07-22 16:50                       ` Mark Brown
2009-07-22 17:41                     ` David Brownell
2009-07-21 20:43                   ` Daniel Ribeiro
2009-07-21 12:30             ` Mark Brown
2009-07-23 14:55           ` Pavel Machek
2009-07-15 21:33     ` Support " Arve Hjønnevåg
2009-07-21 10:40       ` Pavel Machek
2009-07-14 17:52 ` Dmitry Torokhov
2009-07-15 13:48   ` Pavel Machek
2009-07-15 15:27     ` Dmitry Torokhov
2009-07-15 15:33       ` Brian Swetland
2009-07-15 17:26         ` Trilok Soni
2009-07-15 18:43       ` Arve Hjønnevåg
2009-07-15 20:24     ` Arve Hjønnevåg
2009-07-15 13:50   ` Pavel Machek
2009-08-08 14:02   ` HTC Dream for staging: small cleanups [was Re: Support for synaptic touchscreen in HTC dream] Pavel Machek
2009-07-14 20:25 ` Support for synaptic touchscreen in HTC dream Andreas Mohr
2009-07-14 20:33   ` Andreas Mohr

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