[2/5] Input: synaptics - Log queried and quirked dimension values

Commit Message

Daniel Martin Feb. 6, 2015, 1:25 p.m. UTC

From: Daniel Martin <[e-mail]>

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

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

Signed-off-by: Daniel Martin <[e-mail]>
---
 drivers/input/mouse/synaptics.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

Patch

diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 89b408b..7a78d75 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -361,6 +361,10 @@  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);
 		}
 	}
 
@@ -372,6 +376,10 @@  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);
 		}
 	}
 
@@ -394,6 +402,11 @@  static int synaptics_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_warn(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;
 		}
 	}