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Commit 3de59bcd authored by Pali Rohár's avatar Pali Rohár Committed by Darren Hart
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dell-wmi: Ignore WMI event code 0xe045 



>From Dell we know that WMI event code 0xe045 is for Num Lock key, but it is
unclear due to message in commit 0b3f6109 ("dell-wmi: new driver for
hotkey control").

Signed-off-by: default avatarPali Rohár <pali.rohar@gmail.com>
Tested-by: default avatarMichał Kępień <kernel@kempniu.pl>
Tested-by: default avatarGabriele Mazzotta <gabriele.mzt@gmail.com>
Reviewed-by: default avatarMichał Kępień <kernel@kempniu.pl>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Mario Limonciello <mario_limonciello@dell.com>
Link: https://lkml.org/lkml/2015/7/7/830


Signed-off-by: default avatarDarren Hart <dvhart@linux.intel.com>
parent 5edb5649

drivers/platform/x86/dell-wmi.c

+12 −1
Original line number Diff line number Diff line
@@ -88,7 +88,6 @@ static const struct dmi_system_id dell_wmi_smbios_list[] __initconst = { 
static const struct key_entry dell_wmi_legacy_keymap[] __initconst = {

	{ KE_IGNORE, 0x003a, { KEY_CAPSLOCK } },



	{ KE_KEY, 0xe045, { KEY_PROG1 } },

	{ KE_KEY, 0xe009, { KEY_EJECTCD } },



	/* These also contain the brightness level at offset 6 */
@@ -130,7 +129,19 @@ static const struct key_entry dell_wmi_legacy_keymap[] __initconst = { 
	{ KE_IGNORE, 0xe033, { KEY_KBDILLUMUP } },

	{ KE_IGNORE, 0xe034, { KEY_KBDILLUMDOWN } },

	{ KE_IGNORE, 0xe03a, { KEY_CAPSLOCK } },



	/*

	 * This entry is very suspicious!

	 * Originally Matthew Garrett created this dell-wmi driver specially for

	 * "button with a picture of a battery" which has event code 0xe045.

	 * Later Mario Limonciello from Dell told us that event code 0xe045 is

	 * reported by Num Lock and should be ignored because key is send also

	 * by keyboard controller.

	 * So for now we will ignore this event to prevent potential double

	 * Num Lock key press.

	 */

	{ KE_IGNORE, 0xe045, { KEY_NUMLOCK } },



	{ KE_IGNORE, 0xe046, { KEY_SCROLLLOCK } },

	{ KE_IGNORE, 0xe0f7, { KEY_MUTE } },

	{ KE_IGNORE, 0xe0f8, { KEY_VOLUMEDOWN } },