On Mon, Sep 26, 2011 at 03:04:54PM +0200, Manuel Lauss wrote: > Event 0x82 is emitted whenever a backlight event happens (brightness > change, backlight on/off). For instance, when display is switched > off after a timeout, event 0x82 is emitted, and along with it a keypress > which switches the display back on again.
Oh interesting side effect since 170531ba, really sparse_keymap_report_event when not finding the key now generates a KEY_UNKNOWN press. The fix is ok, I think the best approach is just ignoring it: Acked-by: Herton R. Krzesinski <[email protected]> > > This patch adds 0x82 to the event ignore list so that the display stays > off when it is automatically switched off. > > Signed-off-by: Manuel Lauss <[email protected]> > --- > drivers/platform/x86/topstar-laptop.c | 1 + > 1 files changed, 1 insertions(+), 0 deletions(-) > > diff --git a/drivers/platform/x86/topstar-laptop.c > b/drivers/platform/x86/topstar-laptop.c > index 4c20447..d528daa 100644 > --- a/drivers/platform/x86/topstar-laptop.c > +++ b/drivers/platform/x86/topstar-laptop.c > @@ -41,6 +41,7 @@ static const struct key_entry topstar_keymap[] = { > { KE_KEY, 0x8c, { KEY_MEDIA } }, > > /* Known non hotkey events don't handled or that we don't care yet */ > + { KE_IGNORE, 0x82, }, /* backlight event */ > { KE_IGNORE, 0x8e, }, > { KE_IGNORE, 0x8f, }, > { KE_IGNORE, 0x90, }, > -- > 1.7.6.1 > -- []'s Herton -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
