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Subject[PATCH 3.19 28/75] Input: synaptics - log queried and quirked dimension values
Date
3.19-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Daniel Martin <consume.noise@gmail.com>

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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/input/mouse/synaptics.c | 10 ++++++++++
1 file changed, 10 insertions(+)

--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -362,6 +362,9 @@ static int synaptics_resolution(struct p
} 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);
}
}

@@ -373,6 +376,9 @@ static int synaptics_resolution(struct p
} 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);
}
}

@@ -395,6 +401,10 @@ static void synaptics_apply_quirks(struc
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;
}
}



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