Commit 338b660b authored by Randy Dunlap's avatar Randy Dunlap Committed by Jonathan Corbet
Browse files

input: Documentation: corrections for multi-touch-protocol.rst 



Correct hyphenation, spelling, and capitalization.

Signed-off-by: default avatarRandy Dunlap <rdunlap@infradead.org>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: linux-input@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: Henrik Rydberg <rydberg@bitmath.org>
Link: https://lore.kernel.org/r/20210302223523.20130-6-rdunlap@infradead.org


Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
parent ebe14885

Documentation/input/multi-touch-protocol.rst

+4 −4
Original line number Diff line number Diff line
@@ -261,7 +261,7 @@ ABS_MT_PRESSURE 
    signal intensity distribution.



    If the resolution is zero, the pressure data is in arbitrary units.

    If the resolution is nonzero, the pressure data is in units/gram. See

    If the resolution is non-zero, the pressure data is in units/gram. See

    :ref:`input-event-codes` for details.



ABS_MT_DISTANCE
@@ -279,14 +279,14 @@ ABS_MT_ORIENTATION 
    max should be returned; when aligned with the X axis in the negative

    direction, the range -max should be returned.



    Touch ellipsis are symmetrical by default. For devices capable of true 360

    Touch ellipses are symmetrical by default. For devices capable of true 360

    degree orientation, the reported orientation must exceed the range max to

    indicate more than a quarter of a revolution. For an upside-down finger,

    range max * 2 should be returned.



    Orientation can be omitted if the touch area is circular, or if the

    information is not available in the kernel driver. Partial orientation

    support is possible if the device can distinguish between the two axis, but

    support is possible if the device can distinguish between the two axes, but

    not (uniquely) any values in between. In such cases, the range of

    ABS_MT_ORIENTATION should be [0, 1] [#f4]_.
@@ -356,7 +356,7 @@ The range of ABS_MT_ORIENTATION should be set to [0, 1], to indicate that 
the device can distinguish between a finger along the Y axis (0) and a

finger along the X axis (1).



For win8 devices with both T and C coordinates, the position mapping is::

For Win8 devices with both T and C coordinates, the position mapping is::



   ABS_MT_POSITION_X := T_X

   ABS_MT_POSITION_Y := T_Y