From: Gergo Koteles soyer@irl.hu
[ Upstream commit d9dca215708d32e7f88ac0591fbb187cbf368adb ]
While booting, Lenovo 14ARB7 reports 'lenovo-ymc: Unknown key 0 pressed' warning. This is caused by lenovo_ymc_probe() calling lenovo_ymc_notify() at probe time to get the initial tablet-mode-switch state and the key-code lenovo_ymc_notify() reads from the firmware is not initialized at probe time yet on the Lenovo 14ARB7.
The hardware/firmware does an ACPI notify on the WMI device itself when it initializes the tablet-mode-switch state later on.
Add 0x0 YMC state to the sparse keymap to silence the warning.
Signed-off-by: Gergo Koteles soyer@irl.hu Link: https://lore.kernel.org/r/08ab73bb74c4ad448409f2ce707b1148874a05ce.172434056... [hdegoede@redhat.com: Reword commit message] Reviewed-by: Hans de Goede hdegoede@redhat.com Signed-off-by: Hans de Goede hdegoede@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/platform/x86/lenovo-ymc.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/platform/x86/lenovo-ymc.c b/drivers/platform/x86/lenovo-ymc.c index e0bbd6a14a89c..bd9f95404c7cb 100644 --- a/drivers/platform/x86/lenovo-ymc.c +++ b/drivers/platform/x86/lenovo-ymc.c @@ -43,6 +43,8 @@ struct lenovo_ymc_private { };
static const struct key_entry lenovo_ymc_keymap[] = { + /* Ignore the uninitialized state */ + { KE_IGNORE, 0x00 }, /* Laptop */ { KE_SW, 0x01, { .sw = { SW_TABLET_MODE, 0 } } }, /* Tablet */