From: Daniel Martin <consume.noise@xxxxxxxxx>
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
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Daniel Martin <consume.noise@xxxxxxxxx>
---
drivers/input/mouse/synaptics.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 8c2b343..0485e6b 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -365,6 +365,10 @@ 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);
}
}
@@ -376,6 +380,10 @@ 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);
}
}
@@ -398,6 +406,11 @@ 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;
}
}
--
2.1.0
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