From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Haojian Zhuang <hzhuang1@marvell.com>
Cc: "johnpol@2ka.mipt.ru" <johnpol@2ka.mipt.ru>,
"sameo@linux.intel.com" <sameo@linux.intel.com>,
"a.zummo@towertech.it" <a.zummo@towertech.it>,
"lrg@slimlogic.co.uk" <lrg@slimlogic.co.uk>,
"broonie@opensource.wolfsonmicro.com"
<broonie@opensource.wolfsonmicro.com>,
"rpurdie@rpsys.net" <rpurdie@rpsys.net>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] input: touchscreen: use polling mode in 88pm860x
Date: Mon, 14 Mar 2011 22:02:06 -0700 [thread overview]
Message-ID: <20110315050206.GC1046@core.coreip.homeip.net> (raw)
In-Reply-To: <25B60CDC2F704E4E9D88FFD52780CB4C05CEAFFB99@SC-VEXCH1.marvell.com>
On Mon, Mar 14, 2011 at 05:41:35AM -0700, Haojian Zhuang wrote:
>
>
> >-----Original Message-----
> >From: Dmitry Torokhov [mailto:dmitry.torokhov@gmail.com]
> >Sent: 2011年3月13日 2:44 PM
> >To: Haojian Zhuang
> >Cc: johnpol@2ka.mipt.ru; sameo@linux.intel.com; a.zummo@towertech.it;
> >lrg@slimlogic.co.uk; broonie@opensource.wolfsonmicro.com;
> >rpurdie@rpsys.net; linux-kernel@vger.kernel.org
> >Subject: Re: [PATCH] input: touchscreen: use polling mode in 88pm860x
> >
> >On Mon, Mar 07, 2011 at 11:43:14PM +0800, Haojian Zhuang wrote:
> >> Measuring point on touchscreen with IRQ mode can only monitor pen-down
> >> event. If finger is moving on touchscreen, it can't be monitored by
> >> IRQ pen-down event. So switch to polling mode after pen-down event.
> >>
> >
> >Instead of scheduling work you could stay in the interrupt handler
> >(which is a separate thread) and poll from it. Or is it a nested
> >interrupt and it is sharing the interrupt thread?
> >
> >Thanks.
> >
> >--
> >Dmitry
>
> I'm using a nested interrupt. Do you mean that I should keep polling in the nested interrupt handler?
>
No, I do not believe you can poll from the nested handler since I
believe it shares the thread with other interrupts. In non-nested case
you could though.
Thanks.
--
Dmitry
next prev parent reply other threads:[~2011-03-15 5:02 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-07 15:43 [PATCH] mfd: adopt mfd_data in 88pm860x backlight Haojian Zhuang
2011-03-07 15:43 ` [PATCH] mfd: adopt mfd_data in 88pm860x led Haojian Zhuang
2011-03-07 15:43 ` [PATCH] mfd: adopt mfd_data in 88pm860x regulator Haojian Zhuang
2011-03-07 15:43 ` [PATCH] mfd: adopt mfd_data in 88pm860x Haojian Zhuang
2011-03-07 15:43 ` [PATCH] mfd: add workqueue thread into 88pm860x Haojian Zhuang
2011-03-07 15:43 ` [PATCH] input: touchscreen: use polling mode in 88pm860x Haojian Zhuang
2011-03-07 15:43 ` [PATCH] input: touchscreen: move initialization " Haojian Zhuang
2011-03-07 15:43 ` [PATCH] mfd: append additional read write on 88pm860x Haojian Zhuang
2011-03-07 15:43 ` [PATCH] rtc: add 88pm860x rtc Haojian Zhuang
2011-03-07 15:43 ` [PATCH] input: set the long press detection in 88pm860x onkey Haojian Zhuang
2011-03-07 15:43 ` [PATCH] w1: add DS278x slave driver Haojian Zhuang
2011-03-07 15:43 ` [PATCH] mfd: pxa-w1: MFD driver for PXA 1wire control + DS1WM chip Haojian Zhuang
2011-03-14 11:28 ` Samuel Ortiz
2011-03-14 12:34 ` Haojian Zhuang
2011-03-14 19:55 ` Jean-Francois Dagenais
2011-03-13 6:45 ` [PATCH] input: set the long press detection in 88pm860x onkey Dmitry Torokhov
2011-03-14 10:51 ` [PATCH] rtc: add 88pm860x rtc Samuel Ortiz
2011-03-14 13:09 ` Haojian Zhuang
2011-03-14 11:25 ` [PATCH] mfd: append additional read write on 88pm860x Samuel Ortiz
2011-03-13 6:44 ` [PATCH] input: touchscreen: use polling mode in 88pm860x Dmitry Torokhov
2011-03-14 12:41 ` Haojian Zhuang
2011-03-15 5:02 ` Dmitry Torokhov [this message]
2011-03-13 6:38 ` [PATCH] mfd: add workqueue thread into 88pm860x Dmitry Torokhov
2011-03-14 11:24 ` [PATCH] mfd: adopt mfd_data in 88pm860x Samuel Ortiz
2011-03-08 23:24 ` [PATCH] mfd: adopt mfd_data in 88pm860x regulator Mark Brown
2011-03-14 11:23 ` Samuel Ortiz
2011-03-14 11:23 ` [PATCH] mfd: adopt mfd_data in 88pm860x led Samuel Ortiz
2011-03-14 10:56 ` [PATCH] mfd: adopt mfd_data in 88pm860x backlight Samuel Ortiz
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