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Date:	Fri, 25 Jul 2014 13:06:56 -0700
From:	Dmitry Torokhov <>
To:	cheng wei Lin <>
	"SRD1 &#65533;蝬踐&#65533;&#65533;?都&#65533;&#65533;&#65533;&#65533;" 
Subject: Re: [PATCH v2] Input: add i2c/smbus driver for elan touchpad

On Fri, Jul 25, 2014 at 11:20:53AM -0700, Dmitry Torokhov wrote:
> Hi Duson,
> On Sat, Jul 26, 2014 at 02:05:02AM +0800, cheng wei Lin wrote:
> > Hi Dmitry,
> > 
> > Sorry for late to reply you and thanks for your command
> > 
> > Yes, I also agree, it looks great than my original code.
> Thank you for confirming.
> > So, should I modify this and upstream v3 patch for you?
> No, that is fine, I'll fix it up on my end.

Hmm, I am also looking at elan_get_x_resolution() and in case of SMB
we'll never get negative result since we are doing
"elan_convert_res(val[1] & 0x0F)". Was it intended as such, or do we
need to extend sign here via

	(((char)(val[1] & 0x0F)) << 4) >> 4;


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