linux-kernel - Re: [PATCH 3/5] misc: Driver for APDS990X ALS and proximity sensors

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Date:	Tue, 05 Oct 2010 15:39:44 +0300
From:	Onkalo Samu <samu.p.onkalo@...ia.com>
To:	ext Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	"linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/5] misc: Driver for APDS990X ALS and proximity sensors

On Tue, 2010-10-05 at 15:00 +0200, ext Alan Cox wrote:
> > > - not clear how power_state and runtime pm interact - do we in fact need
> > >   power state ?
> > 
> > power_state turns chip on or off. In off state runtime pm is used to
> > handle bookkeeping and also handling chip state transitions including
> > regulators. Other ideas than separate power_state for this kind of
> > control? 
> 
> Ok that makes sense.
> 
> > 
> > 
> > > - lux0_input range being fixed seems inconvenient, the sensors I've got
> > >   queued here use lux0_input as you do but also provide a read (and
> > >   optionally writable) range limit in lux
> > > 
> > > static DEVICE_ATTR(lux0_sensor_range, S_IRUGO | S_IWUSR,
> > > 	als_sensing_range_show, als_sensing_range_store);
> > > 
> > > and in your case you could just return 65535
> > > 
> > 
> > I'll add that
> 
> Cool. I'll bash our sensor queue to fit this API

There are quite many naming convetion changes proposed
by Jonathan Cameron. I think that those are valid.

-Samu



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