Re: Side effect of pressing special keys

2014-12-03 Thread Pali Rohár
On Wednesday 03 December 2014 14:38:15 Gabriele Mazzotta wrote: > On Wednesday 03 December 2014 14:24:11 Pali Rohár wrote: > > On Wednesday 03 December 2014 14:12:54 Henrique de Moraes > > > > Holschuh wrote: > > > On Wed, 03 Dec 2014, Pali Rohár wrote: > > > > Ok, and what about KEY_KBDILLUMTOGGL

Re: Side effect of pressing special keys

2014-12-03 Thread Gabriele Mazzotta
On Wednesday 03 December 2014 14:24:11 Pali Rohár wrote: > On Wednesday 03 December 2014 14:12:54 Henrique de Moraes > > Holschuh wrote: > > On Wed, 03 Dec 2014, Pali Rohár wrote: > > > Ok, and what about KEY_KBDILLUMTOGGLE when bios also handle > > > keyboard backlight level? Should be this key f

Re: Side effect of pressing special keys

2014-12-03 Thread Pali Rohár
On Wednesday 03 December 2014 14:12:54 Henrique de Moraes Holschuh wrote: > On Wed, 03 Dec 2014, Pali Rohár wrote: > > Ok, and what about KEY_KBDILLUMTOGGLE when bios also handle > > keyboard backlight level? Should be this key filtered too? > > IME, heck yes. > > If you ever make the mistake of

Re: Side effect of pressing special keys

2014-12-03 Thread Henrique de Moraes Holschuh
On Wed, 03 Dec 2014, Pali Rohár wrote: > Ok, and what about KEY_KBDILLUMTOGGLE when bios also handle > keyboard backlight level? Should be this key filtered too? IME, heck yes. If you ever make the mistake of sending to userspace something the BIOS/kernel already reacted to, they will find a way

Re: Side effect of pressing special keys

2014-12-03 Thread Pali Rohár
On Wednesday 03 December 2014 13:40:42 Pavel Machek wrote: > On Sun 2014-11-23 14:41:17, Pali Rohár wrote: > > Hello, > > > > pressing some keys on laptops could cause some side effects. > > > > Example scenario 1: > > > > Laptop has Fn key for enabling/disabling WIFI and when that > > key is pr

Re: Side effect of pressing special keys

2014-12-03 Thread Pavel Machek
On Sun 2014-11-23 14:41:17, Pali Rohár wrote: > Hello, > > pressing some keys on laptops could cause some side effects. > > Example scenario 1: > > Laptop has Fn key for enabling/disabling WIFI and when that key > is pressed BIOS is doing two things: > > 1) Switch hard rfkill state of WIFI > 2

Side effect of pressing special keys

2014-11-23 Thread Pali Rohár
Hello, pressing some keys on laptops could cause some side effects. Example scenario 1: Laptop has Fn key for enabling/disabling WIFI and when that key is pressed BIOS is doing two things: 1) Switch hard rfkill state of WIFI 2) Report that Fn key was pressed to kernel (either via i8042 bus