[PATCH 3/3] dell-wmi: Don't report keypresses on keybord illumination change

From: Gabriele Mazzotta
Date: Wed Dec 03 2014 - 18:17:09 EST


Keyboard illumination level changes are performed by the BIOS, so no
events should be reported on keypress. This is already done on systems
using the legacy keymap, do it also for systems that don't use it.

Signed-off-by: Gabriele Mazzotta <gabriele.mzt@xxxxxxxxx>
---
drivers/platform/x86/dell-wmi.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c
index 9d3507c..0344b89 100644
--- a/drivers/platform/x86/dell-wmi.c
+++ b/drivers/platform/x86/dell-wmi.c
@@ -211,11 +211,16 @@ static const struct key_entry * __init dell_wmi_prepare_new_keymap(void)
for (i = 0; i < hotkey_num; i++) {
const struct dell_bios_keymap_entry *bios_entry =
&dell_bios_hotkey_table->keymap[i];
- keymap[i].type = KE_KEY;
- keymap[i].code = bios_entry->scancode;
- keymap[i].keycode = bios_entry->keycode < 256 ?
+ u16 keycode = bios_entry->keycode < 256 ?
bios_to_linux_keycode[bios_entry->keycode] :
KEY_RESERVED;
+
+ if (keycode == KEY_KBDILLUMTOGGLE)
+ keymap[i].type = KE_IGNORE;
+ else
+ keymap[i].type = KE_KEY;
+ keymap[i].code = bios_entry->scancode;
+ keymap[i].keycode = keycode;
}

keymap[hotkey_num].type = KE_END;
--
2.1.3

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/