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From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Dmitriy Vasil'ev <tech@digiton.ru>
Cc: linux-input@vger.kernel.org
Subject: Re: rotary encoder
Date: Wed, 30 Jun 2010 12:54:34 -0700	[thread overview]
Message-ID: <20100630195433.GB12366@core.coreip.homeip.net> (raw)
In-Reply-To: <30BA0A72AA534DE289E9DA5963938449@tech>

On Wed, Jun 30, 2010 at 01:33:25PM +0400, Dmitriy Vasil'ev wrote:
> >the separate gpio/irq for press button is
> >better handled as a separate input device by gpio_keys driver.
> >
> >Thanks.
> >
> >-- 
> >Dmitry
> 
> Small note:
> 
> if you use two separate drivers for rotary encoder and it's button,
> you must work with two device nodes in user space.

Yes.

> If user space driver working with one device node, this more usable.

Not really. Having to deal with multiple input devices is something
that you have to handle. Hotplug, USB (taht sometimes splits its
interfaces into several logical devices), etc - devices are coming
and going and you simply have to handle this.

Thanks.

-- 
Dmitry

  reply	other threads:[~2010-06-30 19:54 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <7A46ED6446BE4CF7AAC51205F1B5A88B@tech>
2010-06-02 13:20 ` rotary encoder Daniel Mack
     [not found]   ` <BA41AF5D757645AD94502E4B0A29158A@tech>
2010-06-02 13:52     ` Daniel Mack
     [not found]       ` <888FDE7800AB4E278ED6DF185FEDC869@tech>
2010-06-17 10:10         ` Daniel Mack
     [not found]           ` <B221BAA24375436992F7587DF15BB812@tech>
2010-06-17 11:21             ` Daniel Mack
2010-06-17 11:29               ` Dmitriy Vasil'ev
2010-06-17 11:37                 ` Daniel Mack
2010-06-17 11:55                   ` Dmitriy Vasil'ev
2010-06-17 12:00                     ` Daniel Mack
2010-06-28 18:22                       ` Dmitry Torokhov
2010-06-28 18:32                         ` Daniel Mack
2010-06-29 15:06                           ` Dmitriy Vasil'ev
2010-06-30  8:40                             ` Dmitry Torokhov
2010-06-30  9:33                               ` Dmitriy Vasil'ev
2010-06-30 19:54                                 ` Dmitry Torokhov [this message]
2013-05-21  8:38 rotary_encoder Christian Gmeiner
2013-05-21 19:13 ` rotary_encoder Dmitry Torokhov
     [not found] <4BE96550.9020800@solutionsradio.com>
2010-05-11 14:17 ` Rotary encoder Daniel Mack

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