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From: "Pali Rohár" <pali.rohar@gmail.com>
To: Hans de Goede <hdegoede@redhat.com>
Cc: Ben Gamari <ben@smart-cactus.org>,
	Masaki Ota <masaki.ota@jp.alps.com>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Allen_Hung@dell.com, Mario_Limonciello@dell.com,
	linux-input@vger.kernel.org
Subject: Re: Dell Latitude E7470 touchpad status
Date: Wed, 25 May 2016 17:32:23 +0200	[thread overview]
Message-ID: <201605251732.23626@pali> (raw)
In-Reply-To: <a8fe033e-02dd-bf26-ec49-6f271657efda@redhat.com>

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On Wednesday 25 May 2016 17:19:11 Hans de Goede wrote:
> Hi,
> 
> On 25-05-16 16:45, Pali Rohár wrote:
> > On Wednesday 25 May 2016 14:09:57 Ben Gamari wrote:
> >>     [  714.781858] psmouse: psmouse serio1: alps: E6 report: 00 00
> >>     64 [  714.804749] psmouse: psmouse serio1: alps: E7 report:
> >>     73 03 28 [  714.830829] psmouse: psmouse serio1: alps: EC
> >>     report: 73 01 13 [  714.833568] psmouse: psmouse serio1:
> >>     alps: Likely not an ALPS touchpad: E7=73 03 28, EC=73 01 13
> > 
> > Great! This allow us to identify touchpad more precious.
> > 
> > Adding people who signed/acked alps commit which added V8 protocol
> > support. Above touchpad should has V8 protocol too. And it is with
> > trackstick.
> > 
> > Any idea why is not recognized?
> 
> This is likely one of the new hid based touchpad / trackstick
> combo-s.

Allen Hung already wrote:

"We have just confirmed the touchpad on Latitude E7470 is a PS/2 device, 
not an I2C-HID input device."

and

"I got responds from Alps and they confirmed that the Alps devices in 
Dell systems are speaking in protocol V8."

So I would say, it is really PS/2 device and we are missing support for 
it in alps V8 protocol ...

-- 
Pali Rohár
pali.rohar@gmail.com

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  reply	other threads:[~2016-05-25 15:32 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-03 13:31 Dell Latitude E7470 touchpad status Ben Gamari
     [not found] ` <23E0F704395E694FA4710C833FA087E50D40B8BF13@TPEX7ADC101.APAC.DELL.COM>
2016-05-17  6:03   ` Ben Gamari
2016-05-17  8:23     ` Pali Rohár
2016-05-17  9:50       ` Ben Gamari
2016-05-17 13:16         ` Pali Rohár
2016-05-17 14:46           ` Allen_Hung
2016-05-17 15:22             ` Pali Rohár
2016-05-25  4:38               ` Allen_Hung
2016-05-25  7:39                 ` Pali Rohár
2016-05-25 12:09                   ` Ben Gamari
2016-05-25 14:45                     ` Pali Rohár
2016-05-25 15:19                       ` Hans de Goede
2016-05-25 15:32                         ` Pali Rohár [this message]
2016-05-25 12:32                   ` Ben Gamari
2016-05-25 15:43                     ` Pali Rohár
2016-05-25 15:47                       ` Hans de Goede
2016-05-25 15:53                       ` Ben Gamari
2016-05-25 16:01                         ` Packet format for ALPS V8 trackstick (Was: Re: Dell Latitude E7470 touchpad status) Pali Rohár
2016-05-26  8:55                           ` [PATCH] Alps SS4 V2 support for Dell Latitude 7470 Ben Gamari
2016-05-26  8:55                             ` [PATCH 1/3] input/alps: Split up ALPS_BUTTONPAD behavior change Ben Gamari
2016-05-26  8:55                             ` [PATCH 2/3] input/alps: Add touchstick support for V8 protocol devices Ben Gamari
2016-05-26  8:55                             ` [PATCH 3/3] input/alps: Add device description for Dell Latitude E7470 Ben Gamari
2016-05-26  9:05                               ` Pali Rohár
2016-05-26 12:19                                 ` Hans de Goede
2016-05-26 12:35                                   ` Pali Rohár

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