On Sun, Jan 06, 2013 at 06:30:40PM +0000, Corentin Chary wrote: > On Sat, Jan 5, 2013 at 11:09 PM, Dmitry Torokhov > <dmitry.torokhov@xxxxxxxxx> wrote: > > On Sat, Jan 05, 2013 at 08:06:32PM +0000, Corentin Chary wrote: > >> On Sat, Jan 5, 2013 at 7:19 PM, Konstantin V. Gavrilenko > >> <k.gavrilenko@xxxxxxxxxx> wrote: > >> > Thanks for a prompt response. > >> > > >> > for all three events the showkey generates the same data > >> > > >> > keycode 240 press > >> > keycode 240 release > >> > > >> > ----- Original Message ----- > >> > From: "Corentin Chary" <corentincj@xxxxxxxxxx> > >> > To: "Konstantin V. Gavrilenko" <k.gavrilenko@xxxxxxxxxx> > >> > Cc: "Yong Wang" <yong.y.wang@xxxxxxxxx>, "Dmitry Torokhov" <dtor@xxxxxxx> > >> > Sent: Saturday, 5 January, 2013 6:58:11 PM > >> > Subject: Re: asus_wmi: Unknown key pressed > >> > > >> > Hi, > >> > > >> > On Sat, Jan 5, 2013 at 3:17 PM, Konstantin V. Gavrilenko > >> > <k.gavrilenko@xxxxxxxxxx> wrote: > >> >> Hi Guys, > >> >> > >> >> sorry for writing out of the blue, but your email addresses where provided in the kernel modules. I hope you will direct me to a better place where I can report the problem or someone that can help solve the problem with asus_wmi module. > >> >> > >> >> In my new laptop UX51VZA v203 my syslog is constantly filled with the following lines, even though I do not press any buttons on the keyboard. > >> >> > >> >> Dec 30 08:28:52 dynomob kernel: [22731.108645] asus_wmi: Unknown key c6 pressed > >> >> Dec 30 08:28:53 dynomob kernel: [22732.110834] asus_wmi: Unknown key c6 pressed > >> >> Dec 30 08:28:58 dynomob kernel: [22737.079312] asus_wmi: Unknown key c6 pressed > >> >> Dec 30 08:28:59 dynomob kernel: [22738.075352] asus_wmi: Unknown key c6 pressed > >> >> Dec 30 08:29:00 dynomob kernel: [22739.076342] asus_wmi: Unknown key c6 pressed > >> >> Dec 30 08:29:01 dynomob kernel: [22740.083493] asus_wmi: Unknown key c6 pressed > >> >> > >> >> > >> >> It took me a while to work out that this was information from the ambient light sensor )) and since there is no way to operate it or disable it, I had to cover it with a piece of black paper. Such default behavior is very disruptive as it generates an actual unseen key press, that is extremely annoying if you trying to type a password. > >> > > >> > This should not generate any key if the key is unknown. But maybe > >> > another key is generated (and not logged). Can you run showkey in a > >> > terminal and try to see what keycode you are getting ? > >> > I'll make a patch to ignore this key. > >> > > >> >> There are couple of other unknown signals tat I managed to figure out, namely > >> >> > >> >> Fn+A (ambient light button) generates > >> >> Jan 5 15:12:08 dynomob kernel: [46786.001579] asus_wmi: Unknown key 7a pressed > >> > > >> > Will map this key to some keycode. > >> > > >> >> unplugging of the powercord generates > >> >> Jan 5 15:13:08 dynomob kernel: [46845.606336] asus_wmi: Unknown key cf pressed > >> > > >> > Don't know what is means, so will probably just be ignored with a comment. > >> > > >> > Thanks, > >> > >> Oh right, Seth added some code to send KEY_UNKNOWN keys in such cases. > >> Seth, maybe keys present with KEY_IGNORE type should not send > >> KEY_UNKNOWN to avoid this kind of issues ? > > > > KEY_UNKNOWN should not really be mapped to any key so it should not > > interfere with normal typing/other operations while still being able to > > detect the events. The idea is for users to be able to notice the new > > events and then developers can decide if they should be ignored or > > mapped to some particular keycodes (or maybe routed through some other > > subsystem). > > The issue here is that the scancode is already present in the keymap > with the type "KE_IGNORE" instead of "KE_KEY", but sparse_keymap seems > to send KEY_UNKNOWN anyway. > And Konstantin seems to say that it's bad in some cases (passwords?). No, sparse keymap does not generate KEY_UNKNOWN events for entries marked KE_IGNORE. As far as I can see none of the codes mentioned by Konstantin are defines in keymap found in asus-nb-wmi. 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
