linux-kernel - Re: Sensor event related attribute naming.

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Message-ID: <20101112150316.GB18096@kroah.com>
Date:	Fri, 12 Nov 2010 07:03:16 -0800
From:	Greg KH <greg@...ah.com>
To:	Hemanth V <hemanthv@...com>
Cc:	Jonathan Cameron <jic23@....ac.uk>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	LKML <linux-kernel@...r.kernel.org>, linux-iio@...r.kernel.org,
	linux-input@...r.kernel.org,
	Manuel Stahl <manuel.stahl@....fraunhofer.de>,
	Jean Delvare <khali@...ux-fr.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>, drivers@...log.com,
	achew@...dia.com, Donggeun Kim <dg77.kim@...sung.com>,
	Dmitry Torokhov <dtor@...l.ru>
Subject: Re: Sensor event related attribute naming.

On Fri, Nov 12, 2010 at 03:34:36PM +0530, Hemanth V wrote:
> ----- Original Message ----- From: "Hemanth V" <hemanthv@...com>
> To: "Jonathan Cameron" <jic23@....ac.uk>; "Dmitry Torokhov" <dtor@...l.ru>
>
>
>> ----- Original Message ----- From: "Jonathan Cameron" <jic23@....ac.uk>
>> To: "Jonathan Cameron" <jic23@....ac.uk>
>> Sent: Thursday, September 30, 2010 3:36 PM
>> Subject: Re: Sensor event related attribute naming.
>>
>>
>>> Given the lack of further comment, I went ahead and implemented the above 
>>> naming
>>> scheme for IIO. As the above discussion with Hemanth shows, there are 
>>> some corner cases
>>> that will need futher thought in the future.
>>>
>>
>> Jonathan, haven't seen many comments on this. Do u think the reason
>> might be that these interfaces are hidden behind a HAL layer like in 
>> android and
>> might not be a burning issue for many people.
>>
>
> Dmitry, could you let us know your thoughts on this too.
> Would using a HAL layer be better compared to creating a standard
> sysfs interface, as it seems to be the popular approach.

What "HAL layer"?  HAL the userspace project is now dead, so you should
standardize on a common sysfs or some other user/kernel api that the
kernel exports for the same type of devices to make it so that
everything works the same way.

thanks,

greg k-h
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