From: Peter Hutterer Date: Wed, 5 Dec 2018 23:03:36 +0000 (+1000) Subject: Input: restore EV_ABS ABS_RESERVED X-Git-Tag: MMI-QSB30.62-17~983^2~44^2~102 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9940eeaa995557b3ece7d45b567701550863013f;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git Input: restore EV_ABS ABS_RESERVED [ Upstream commit c201e3808e0e4be9b98d192802085a9f491bd80c ] ABS_RESERVED was added in d9ca1c990a7 and accidentally removed as part of ffe0e7cf290f5c9 when the high-resolution scrolling code was removed. Signed-off-by: Peter Hutterer Reviewed-by: Martin Kepplinger Acked-by: Benjamin Tissoires Acked-by: Dmitry Torokhov Signed-off-by: Benjamin Tissoires Signed-off-by: Sasha Levin --- diff --git a/include/uapi/linux/input-event-codes.h b/include/uapi/linux/input-event-codes.h index f4058bd4c373..61769d4b7dba 100644 --- a/include/uapi/linux/input-event-codes.h +++ b/include/uapi/linux/input-event-codes.h @@ -742,6 +742,15 @@ #define ABS_MISC 0x28 +/* + * 0x2e is reserved and should not be used in input drivers. + * It was used by HID as ABS_MISC+6 and userspace needs to detect if + * the next ABS_* event is correct or is just ABS_MISC + n. + * We define here ABS_RESERVED so userspace can rely on it and detect + * the situation described above. + */ +#define ABS_RESERVED 0x2e + #define ABS_MT_SLOT 0x2f /* MT slot being modified */ #define ABS_MT_TOUCH_MAJOR 0x30 /* Major axis of touching ellipse */ #define ABS_MT_TOUCH_MINOR 0x31 /* Minor axis (omit if circular) */