linux-kernel - Re: [RFC ebeam PATCH v4 2/2] input: misc: New USB eBeam input driver.

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Date:	Mon, 03 Sep 2012 14:59:58 +0200
From:	Oliver Neukum <oneukum@...e.de>
To:	Yann Cantin <yann.cantin@...oste.net>
Cc:	linux-input@...r.kernel.org, linux-usb@...r.kernel.org,
	gregkh@...uxfoundation.org, dmitry.torokhov@...il.com,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC ebeam PATCH v4 2/2] input: misc: New USB eBeam input driver.

On Friday 24 August 2012 16:42:20 Yann Cantin wrote:
> Hi,
> 
> Le 24/08/2012 13:41, Oliver Neukum a écrit :
> > On Friday 24 August 2012 11:37:45 Yann Cantin wrote:
> >> Hi,
> >>
> >> Le 23/08/2012 09:23, Oliver Neukum a écrit :
> >>> On Thursday 23 August 2012 00:11:54 Yann Cantin wrote:
> > 
> >>> These functions are identical. You should unify them.
> >>
> >> Removed reset_resume from the driver (optional, and not needed
> >> for this hardware).
> > 
> > Why did you do that? It is always better to have reset_resume().
> > And you cannot tell whether it will be needed.
> 
> This function was used in usbtouchscreen (which this driver is based on)
> for some hardware specific init after reset. eBeam devices doesn't need that,
> and i didn't mention the similarity of the 2 functions after stripping the code.
> 
> According to power-management.txt, reset_resume is optional, and lot of input
> driver lack it. Anyway, if you think it's worth the code, i'll re-add a 
> reset_resume function proxing resume like wacom_sys.c do.

It is always better to have reset_resume() if it can be easily done.

	Regards
		Oliver

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