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-rw-r--r--man/evdev.man12
1 files changed, 9 insertions, 3 deletions
diff --git a/man/evdev.man b/man/evdev.man
index 4f15062..e322eb6 100644
--- a/man/evdev.man
+++ b/man/evdev.man
@@ -150,6 +150,14 @@ be set in the configuration.
Number of reopen attempts after a read error occurs on the device (e.g. after
waking up from suspend). In between each attempt is a 100ms wait. Default: 10.
.TP 7
+.BI "Option \*qCalibration\*q \*q" "min-x max-x min-y max-y" \*q
+Calibrates the X and Y axes for devices that need to scale to a different
+coordinate system than reported to the X server. This feature is required
+for devices that need to scale to a different coordinate system than
+originally reported by the kernel (e.g. touchscreens). The scaling to the
+custom coordinate system is done in-driver and the X server is unaware of
+the transformation. Property: "Evdev Axis Calibration".
+.TP 7
.BI "Option \*qSwapAxes\*q \*q" Bool \*q
Swap x/y axes. Default: off. Property: "Evdev Axes Swap".
.TP 7
@@ -178,9 +186,7 @@ driver.
.TP 7
.BI "Evdev Axis Calibration"
4 32-bit values, order min-x, max-x, min-y, max-y or 0 values to disable
-run-time axis calibration. This feature is required for devices that need to
-scale to a different coordinate system than originally reported to the X
-server, such as touchscreens that require run-time calibration.
+in-driver axis calibration.
.TP 7
.BI "Evdev Axis Inversion"
2 boolean values (8 bit, 0 or 1), order X, Y. 1 inverts the axis.