On Sat, Jul 19, 2014 at 06:38:39PM +0200, Hans de Goede wrote: > Hi All, > > Recent version of xf86-input-wacom no longer support directly accessing > serial tablets. Instead xf86-input-wacom now expects all wacom tablets to > be driven by the kernel and to show up as evdev devices. > > This has caused old serial Wacom tablets to stop working for people who still > have such tablets. Julian Squires has written a serio input driver to fix this: > https://github.com/tokenrove/wacom-serial-iv > > About a year ago Julian submitted this upstream, back then the response by > Dmitry was: > > > The driver looks quite reasonable, however that would be the 4th Wacom > > driver in the tree... I wonder if it is time to split out transport > > parts from core wacom functionality so that it can be shared by USB, I2C > > and serio devices. > > I've taken a quick look at this, the i2c driver is for touchscreens and in > the protocol has nothing in common with the other wacom drivers. The w8001 > driver is for serial touchscreens and again a completely different protocol. > > The wacom usb driver already deals with what appears to be a lot of different > protocol nuances, see for example wacom_wac.c, and non of all the different > package formats parsed in wacom_wac.c seem to have anything in common with > the wacom protocol 4 spoken over serial. So it seems that there is nothing > to be shared since these are really significant different devices which happen > to be from the same vendor. Moreover the usb wacom bits are being reworked > to use hid instead of to more or less parse usb hid reports themselves, and > I certainly don't want this driver to get in the way of that. > > So all in all I believe it is best to keep this as a standalone driver. > > Hence I'm hereby re-submitting this driver for upstream inclusion. > > This is a significantly cleaned up version of the driver initially submitted > by Julian, with improved Graphire support (I own an old Graphire myself). OK, fair enough, let's merge it. I sent out some questions in reply to the patch itself. Thanks. -- Dmitry -- 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
