On Mar 19 2015 or thereabouts, Dmitry Torokhov wrote: > On Thu, Mar 19, 2015 at 01:06:49PM -0400, Benjamin Tissoires wrote: > > On Mar 19 2015 or thereabouts, Yves-Alexis Perez wrote: > > > On Thu, Mar 19, 2015 at 11:58:31AM -0400, Benjamin Tissoires wrote: > > > > On Mar 19 2015 or thereabouts, Yves-Alexis Perez wrote: > > > > Again, sorry, I thought I answered it. With the kernel patches applied: > > > > - disabled in the bios without psmouse.proto=imps -> touchpad still > > > > enabled, trackstick + buttons working > > > > - disabling in the bios + psmouse.proto=imps -> touchpad disabled, > > > > trackstick + buttons working > > > > - enabled in the bios + psmouse.proto=imps -> touchpad barely usable, > > > > trackstick + buttons working > > > > > > > > That should cover all the cases :) > > > > > > > Actually, one is missing: “touchpad enabled / without > > > psmouse.proto=imps”, but it doesn't really matter for me since I'm not > > > using the touchpad anyway. > > > > Yes, but that is the most used case, and if this one was not working > > then the patch series would have been moot :) > > > > > > > > But that also means if I want a disabled touchpad (without using xinput > > > disable) I'm forced to use psmouse.proto=imps. It does work fine but I > > > then lose the speed and sensitivity attributes (in > > > /sys/devices/platform/i8042/...) and the Trackpoint device itself is > > > gone from the input subsystem (everything goes to the touchpad one). > > > > > > I find that a bit confusing, and think it'd be best if the touchpad > > > disabling could be handled even when IMPS/2 is not used, but maybe it's > > > impossible to do? > > It is possible, but that task is on Lenovo's BIOS engineers to > implement. The kernel queries the device and responds accordingly; there > is no separate "check BIOS settings" pass. "proto=imps" simply tells > psmouse driver to skip the advanced protocol "magic knocks" and try > initalize mouse as MS Intellimouse compatible device. > > I'd be curious to compare i8042 data (i8042.debug) from booting with > both proto=imps and without (note that keystrokes for your password will > be recorded there if you decide to post the logs), but again just for > curiosity's sake as I wonder how exactly they done disabling that it > only works for Intellimouse mode. > There you go: http://people.freedesktop.org/~tissoire/boot_bios_disabled_with_imps.txt http://people.freedesktop.org/~tissoire/boot_bios_disabled_no_imps.txt An no, there is no trace of my password on this, I carefully ssh to the box to extract the logs :) Cheers, Benjamin > 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
