Hi Masaki Ota, Thanks! On 11.09.2017 04:38, Masaki Ota wrote: > Hi, Juanito, > > In my information, ALPS Touchpad is used on Thinkpad E series and L series. > I don't know the device that is ALPS Touchpad + other vendor TrackStick. > But Lenovo might use ALPS Touchpad on such a combination. > Well, that is probably my fault, as it is not the original touchpad that was delievered with the laptop. I bought the touchpad (that included the three buttons) separately because I didn't like the clickpad that came with my laptop. > And I have found that the V7 protocol device has a special ID for Lenovo. > ALPS assigns the value that is the model type to 0xC399 address. > > Could you check 0xC399 address value such like a below code? > reg_val = alps_command_mode_read_reg(psmouse, 0xC399); > > If the value is 0x1 or 0x2 or 0x6 or 0x10 or 0xF, it has a Stick buttons. > I will check this as soon as I can (I don't have access to the laptop right now). > Best Regards, > Masaki Ota > -----Original Message----- > From: Juanito [mailto:juam+kernel@xxxxxxxxxx] > Sent: Sunday, September 10, 2017 3:22 AM > To: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>; Pali Rohár <pali.rohar@xxxxxxxxx> > Cc: 太田 真喜 Masaki Ota <masaki.ota@xxxxxxxxxxx>; linux-input@xxxxxxxxxxxxxxx; Paul Donohue <linux-kernel@xxxxxxxxxx> > Subject: Re: ALPS touchpad ot correctly recognized: GlidePoint vs DualPoint > > On 09/09/2017 08:12 PM, Dmitry Torokhov wrote: >> On Sat, Sep 09, 2017 at 10:36:06AM +0200, Pali Rohár wrote: >>> On Saturday 09 September 2017 10:12:42 Juanito wrote: >>>> Hello, >>>> >>>> On 09/08/2017 08:48 AM, Pali Rohár wrote: >>>>> On Friday 08 September 2017 07:00:34 Juanito wrote: >>>>>>> ThinkPad with ALPS? Should not be it Synaptic? Maybe >>>>>>> miss-detection? >>>>>> >>>>>> Sorry, I forgot to mention this. The ThinkPad came with a clickpad >>>>>> I **really** disliked, so I bought this on the Internet. >>>>> >>>>> So, here is a problem. ThinkPads works with Synaptic touchpads, not >>>>> with ALPS. >>>> >>>> There definitely seems to be a problem here :) >>>> >>>> Do you mean that the alps code might not be detecting the trackpoint >>>> because probably the red thingie works with synaptics? >>>> >>>> So could this be the situation: >>>> ALPS driver: Hey touchpad! Do you have a trackstick? >>>> ALPS touchpad: No, I don't. >>>> AD: Ok! (and thinks 'I am going to have to ignore all trackstick >>>> packets that might arrive') >>>> >>>> So the driver understands that there can't possibly be any buttons >>>> because there is no trackstick? >>> >>> IIRC ALPS touchpad hardware itself does not work with non-ALPS >>> trackpoint. >>> >>> Masaki, any comments? >>> >>>>>> If by trackstick you mean the red thingie, it is **not** working. >>>>> >>>>> Ok. And it is working with your patch? >>>> >>>> No, it isn't :( >>> >>> I expected... You just created franken-hardware. >>> >>> Looks like with your hack patch it is possible to make buttons >>> working, but I suspect that trackstick would. >>> >>> Maybe Masaki can provide more information about this fact if we can >>> do anything. >>> >>> Dmitry, what you as maintainer going to do with this problem? >> >> It really depends on Ota-san response. If ALPS needs a special version >> of firmware flashed for proper trackstick identification, then I guess >> Juanito will have to carry a local patch. I do not think we want to >> complicate the driver any further for supporting such after-market >> modification. >> > > If this only happens in this after-market (or franken-hardware... > hahaha), I'd totally understand if you didn't want to patch it upstream, although it would be nice for me :) > >> Does booting with psmouse.proto=imps makes trackstick work? >> > > I am afraid I can't test it now as I don't have access to the laptop. I won't be able to test until two weeks. Will definitely do as soon as I can. > >> Thanks. >> > > Thank **you** (Dmitry and everybody esle) for taking the time to look at this. > > Juanito > Thank you very much! Best regards, Juanito -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
