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From: Dmitry Torokhov <dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Matt Ranostay <mranostay-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Daniel Mack <daniel-cYrQPVfZoowdnm+yROfE0A@public.gmane.org>,
	Jacek Anaszewski
	<j.anaszewski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
	"linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	linux-leds-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH v4 2/2] cap11xx: add LED support
Date: Wed, 17 Jun 2015 15:38:52 -0700	[thread overview]
Message-ID: <20150617223852.GA11341@dtor-ws> (raw)
In-Reply-To: <CAKzfze-H=m55j-1ty4xOkrVzMswU7FpXe=6pHq4ws=P+3vcZNQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

On Wed, Jun 17, 2015 at 02:53:26PM -0700, Matt Ranostay wrote:
> On Wed, Jun 17, 2015 at 1:59 AM, Daniel Mack <daniel-cYrQPVfZoowdnm+yROfE0A@public.gmane.org> wrote:
> > On 06/17/2015 08:49 AM, Matt Ranostay wrote:
> >> Actually after further reading of the datasheet and testing with
> >> i2ctools it seems cap11xx_input_close() isn't putting the device in
> >> DEEP SLEEP mode.
> >>
> >> Any thoughts why?
> >
> > No, sorry. IIRC, the board I wrote the driver for didn't give me the
> > ability to measure power consumption.
> >
> 
> I can confirm it never goes to deep sleep or cap11xx_input_close()
> gets called. Does evdev kernel module increment/input_open_device even
> if nothing in userspace is accessing the /dev/event/inputX nodes?

No it does not. On the other hand there is VT that does keep all
keyboard-like devices open.

Thanks.

-- 
Dmitry
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  parent reply	other threads:[~2015-06-17 22:38 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-16  2:46 [PATCH v4 0/2] cap118x: add LED support Matt Ranostay
2015-06-16  2:46 ` [PATCH v4 1/2] dt: add cap11xx LED documentation Matt Ranostay
2015-06-16  7:57   ` Jacek Anaszewski
2015-06-16 14:31     ` Matt Ranostay
2015-06-16  2:46 ` [PATCH v4 2/2] cap11xx: add LED support Matt Ranostay
2015-06-16  7:54   ` Jacek Anaszewski
2015-06-16 14:39     ` Matt Ranostay
2015-06-16 21:26       ` Daniel Mack
2015-06-16 21:55         ` Matt Ranostay
2015-06-17  6:34           ` Matt Ranostay
     [not found]             ` <CAKzfze8629xyiz1wufjoGbOu+npDRXyCgyGEhxY_1h7XHKeTQg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-06-17  6:49               ` Matt Ranostay
2015-06-17  8:59                 ` Daniel Mack
2015-06-17 21:53                   ` Matt Ranostay
     [not found]                     ` <CAKzfze-H=m55j-1ty4xOkrVzMswU7FpXe=6pHq4ws=P+3vcZNQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-06-17 22:38                       ` Dmitry Torokhov [this message]
2015-06-17 23:36                         ` Matt Ranostay

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