From 7783e97f8558ad7a4d1748922461bc88483fbcdf Mon Sep 17 00:00:00 2001 From: Maxim Mikityanskiy Date: Sun, 16 Jul 2023 21:32:13 +0300 Subject: platform/x86/intel/hid: Add HP Dragonfly G2 to VGBS DMI quirks HP Elite Dragonfly G2 (a convertible laptop/tablet) has a reliable VGBS method. If VGBS is not called on boot, the firmware sends an initial 0xcd event shortly after calling the BTNL method, but only if the device is booted in the laptop mode. However, if the device is booted in the tablet mode and VGBS is not called, there is no initial 0xcc event, and the input device for SW_TABLET_MODE is not registered up until the user turns the device into the laptop mode. Call VGBS on boot on this device to get the initial state of SW_TABLET_MODE in a reliable way. Tested with BIOS 1.13.1. Signed-off-by: Maxim Mikityanskiy Link: https://lore.kernel.org/r/20230716183213.64173-1-maxtram95@gmail.com Reviewed-by: Hans de Goede Signed-off-by: Hans de Goede --- drivers/platform/x86/intel/hid.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/platform') diff --git a/drivers/platform/x86/intel/hid.c b/drivers/platform/x86/intel/hid.c index 641f2797406e..7457ca2b27a6 100644 --- a/drivers/platform/x86/intel/hid.c +++ b/drivers/platform/x86/intel/hid.c @@ -150,6 +150,12 @@ static const struct dmi_system_id dmi_vgbs_allow_list[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Surface Go"), }, }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "HP"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Elite Dragonfly G2 Notebook PC"), + }, + }, { } }; -- cgit v1.2.3