kernel/Input-synaptics-log-queried-and-quirked-dimension-va.patch

57 lines
1.9 KiB
Diff
Raw Normal View History

From: Daniel Martin <consume.noise@gmail.com>
Date: Sun, 8 Mar 2015 22:28:29 -0700
Subject: [PATCH] Input: synaptics - log queried and quirked dimension values
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
Cc: stable@vger.kernel.org
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>
---
drivers/input/mouse/synaptics.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index fc7e1db7530e..cc7909ecf38e 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -365,6 +365,9 @@ 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);
}
}
@@ -376,6 +379,9 @@ 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);
}
}
@@ -398,6 +404,10 @@ 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;
}
}
--
2.1.0