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authorLinus Torvalds2015-04-21 12:54:08 -0700
committerLinus Torvalds2015-04-21 12:54:08 -0700
commitb8ce8d7222b52200e61ea29523993e20751baaaa (patch)
tree323b47725de6726121aa78f98a88738105ee8202 /Documentation
parent1d11437f4fd02f9b5d3749675a1232216787dcc6 (diff)
parent48853389f206b689260ddfd3006816779ca7a52a (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull more input subsystem updates from Dmitry Torokhov: - an update to Atmel MXT driver that makes it functional on Google Pixel 2 boxes (both touchpad and touchscreen) - a new VMware VMMouse driver that should allow us drop X vmmouse driver that requires root privileges (since it accesses ioports) - XBox One controllers now support force feedback (rumble) * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: lm8333 - fix broken email address Input: cyapa - fix setting suspend scan rate Input: elan_i2c - fix calculating number of x and y traces. Input: elan_i2c - report hovering contacts Input: elants_i2c - zero-extend hardware ID in firmware name Input: alps - document separate pointstick button bits for V2 devices Input: atmel_mxt_ts - add support for Google Pixel 2 Input: xpad - add rumble support for Xbox One controller Input: ff-core - use new debug macros Input: add vmmouse driver Input: elan_i2c - adjust for newer firmware pressure reporting
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/input/alps.txt9
1 files changed, 7 insertions, 2 deletions
diff --git a/Documentation/input/alps.txt b/Documentation/input/alps.txt
index b9d229fee6b9..c86f2f1ae4f6 100644
--- a/Documentation/input/alps.txt
+++ b/Documentation/input/alps.txt
@@ -94,6 +94,10 @@ PS/2 packet format
Note that the device never signals overflow condition.
+For protocol version 2 devices when the trackpoint is used, and no fingers
+are on the touchpad, the M R L bits signal the combined status of both the
+pointingstick and touchpad buttons.
+
ALPS Absolute Mode - Protocol Version 1
--------------------------------------
@@ -107,7 +111,7 @@ ALPS Absolute Mode - Protocol Version 1
ALPS Absolute Mode - Protocol Version 2
---------------------------------------
- byte 0: 1 ? ? ? 1 ? ? ?
+ byte 0: 1 ? ? ? 1 PSM PSR PSL
byte 1: 0 x6 x5 x4 x3 x2 x1 x0
byte 2: 0 x10 x9 x8 x7 ? fin ges
byte 3: 0 y9 y8 y7 1 M R L
@@ -115,7 +119,8 @@ ALPS Absolute Mode - Protocol Version 2
byte 5: 0 z6 z5 z4 z3 z2 z1 z0
Protocol Version 2 DualPoint devices send standard PS/2 mouse packets for
-the DualPoint Stick.
+the DualPoint Stick. For non interleaved dualpoint devices the pointingstick
+buttons get reported separately in the PSM, PSR and PSL bits.
Dualpoint device -- interleaved packet format
---------------------------------------------