File u_04-add-debug-print.patch of Package xf86-input-evdev

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File u_04-add-debug-print.patch of Package xf86-input-evdev

From cf70e528bfe0cf77dc6dc01e2ba2b91e45fc3721 Mon Sep 17 00:00:00 2001
From: Tuukka Pasanen <tuukka.pasanen@ilmi.fi>
Date: Fri, 1 Oct 2021 09:19:32 +0300
Subject: [PATCH xf86-input-evdev] Add debug printing for finding out why
 scaling stop working

In some point Y scaling can stop working on touch screen without
any information to user
---
 src/evdev.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/src/evdev.c b/src/evdev.c
index 6672cf9..05158b1 100644
--- a/src/evdev.c
+++ b/src/evdev.c
@@ -371,6 +371,8 @@ EvdevSwapAbsValuators(EvdevPtr pEvdev, ValuatorMask *mask)
             const struct input_absinfo *abs2 =
                 libevdev_get_abs_info(pEvdev->dev, 1 - i);
 
+            xf86Msg(X_WARNING, "EvdevSwapAbsValuators: swap\n");
+
             swapped_isset[1 - i] = 1;
             swapped_values[1 - i] =
                 xf86ScaleAxis(valuator_mask_get(mask, i),
@@ -407,17 +409,35 @@ EvdevApplyCalibration(EvdevPtr pEvdev, ValuatorMask *mask)
         if (i == 0) {
             calib_min = pEvdev->calibration.min_x;
             calib_max = pEvdev->calibration.max_x;
+            xf86Msg(X_WARNING, "EvdevApplyCalibration: %d Calib X min: %d max: %d", i, pEvdev->calibration.min_x, pEvdev->calibration.max_x);
         } else {
             calib_min = pEvdev->calibration.min_y;
             calib_max = pEvdev->calibration.max_y;
+            xf86Msg(X_WARNING, "EvdevApplyCalibration: %d Calib Y min: %d max: %d", i, pEvdev->calibration.min_y, pEvdev->calibration.max_y);
         }
 
+
         if (pEvdev->flags & EVDEV_CALIBRATED)
+        {
+            xf86Msg(X_WARNING, " val: %d ", val);
+
             val = xf86ScaleAxis(val, abs->maximum, abs->minimum,
                                 calib_max, calib_min);
 
+            xf86Msg(X_WARNING, "scaled: %d event_abs_max: %d event_abs_min: %d", val, abs->maximum, abs->minimum);
+        }
+        else
+        {
+            xf86Msg(X_WARNING, "EvdevApplyCalibration: %d No calib %d", i, val);
+        }
+
+        xf86Msg(X_WARNING, "\n");
+
         if ((i == 0 && pEvdev->invert_x) || (i == 1 && pEvdev->invert_y))
+        {
             val = (abs->maximum - val + abs->minimum);
+            xf86Msg(X_WARNING, "EvdevApplyCalibration: %d invert %d\n", i, val);
+        }
 
         valuator_mask_set(mask, i, val);
     }
@@ -777,6 +797,9 @@ EvdevProcessAbsoluteMotionEvent(InputInfoPtr pInfo, struct input_event *ev)
     EvdevPtr pEvdev = pInfo->private;
     int map;
 
+    xf86Msg(X_WARNING, "EvdevProcessAbsoluteMotionEvent %s\n", pInfo->name);
+
+
     /* Get the signed value, earlier kernels had this as unsigned */
     value = ev->value;
 
-- 
2.33.0

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File u_04-add-debug-print.patch of Package xf86-input-evdev

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