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    SubjectRE: [PATCH] input: touchscreen: use polling mode in 88pm860x


    >-----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?

    Thanks
    Haojian
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