Input: synaptics - log queried and quirked dimension values

commit 9aff65982d0f58a78a27769fba7e97bc937b2593 upstream.

Logging the dimension values we queried and the values we use from a quirk
to overwrite can be helpful for debugging.

This partly relates to bug:
    https://bugzilla.kernel.org/show_bug.cgi?id=91541

Signed-off-by: Daniel Martin <consume.noise@gmail.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>

diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index bb097facf7f1d4984331c48380937e7ba619a9e1..9240d6fa0c6d0a090bc840d90b1624b3719d1a28 100644 (file)
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -359,6 +359,9 @@ static int synaptics_resolution(struct psmouse *psmouse)
                } else {
                        priv->x_max = (resp[0] << 5) | ((resp[1] & 0x0f) << 1);
                        priv->y_max = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3);
+                       psmouse_info(psmouse,
+                                    "queried max coordinates: x [..%d], y [..%d]\n",
+                                    priv->x_max, priv->y_max);
                }
        }
 
@@ -370,6 +373,9 @@ static int synaptics_resolution(struct psmouse *psmouse)
                } else {
                        priv->x_min = (resp[0] << 5) | ((resp[1] & 0x0f) << 1);
                        priv->y_min = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3);
+                       psmouse_info(psmouse,
+                                    "queried min coordinates: x [%d..], y [%d..]\n",
+                                    priv->x_min, priv->y_min);
                }
        }
 
@@ -392,6 +398,10 @@ static void synaptics_apply_quirks(struct psmouse *psmouse)
                        priv->x_max = min_max_pnpid_table[i].x_max;
                        priv->y_min = min_max_pnpid_table[i].y_min;
                        priv->y_max = min_max_pnpid_table[i].y_max;
+                       psmouse_info(psmouse,
+                                    "quirked min/max coordinates: x [%d..%d], y [%d..%d]\n",
+                                    priv->x_min, priv->x_max,
+                                    priv->y_min, priv->y_max);
                        break;
                }
        }