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

Correct hyphenation, spelling, and capitalization.

Signed-off-by: Randy 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: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Randy Dunlap 2021-03-02 14:35:20 -08:00 committed by Jonathan Corbet
parent ebe14885ab
commit 338b660bff
1 changed files with 4 additions and 4 deletions
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Documentation/input/multi-touch-protocol.rst
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@ -261,7 +261,7 @@ ABS_MT_PRESSURE
signal intensity distribution. signal intensity distribution.
If the resolution is zero, the pressure data is in arbitrary units. 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. :ref:`input-event-codes` for details.
ABS_MT_DISTANCE ABS_MT_DISTANCE
@ -279,14 +279,14 @@ ABS_MT_ORIENTATION
max should be returned; when aligned with the X axis in the negative max should be returned; when aligned with the X axis in the negative
direction, the range -max should be returned. 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 degree orientation, the reported orientation must exceed the range max to
indicate more than a quarter of a revolution. For an upside-down finger, indicate more than a quarter of a revolution. For an upside-down finger,
range max * 2 should be returned. range max * 2 should be returned.
Orientation can be omitted if the touch area is circular, or if the Orientation can be omitted if the touch area is circular, or if the
information is not available in the kernel driver. Partial orientation 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 not (uniquely) any values in between. In such cases, the range of
ABS_MT_ORIENTATION should be [0, 1] [#f4]_. 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 the device can distinguish between a finger along the Y axis (0) and a
finger along the X axis (1). 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_X := T_X
ABS_MT_POSITION_Y := T_Y ABS_MT_POSITION_Y := T_Y