From: Daniel Martin 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 Acked-by: Hans de Goede Signed-off-by: Dmitry Torokhov --- 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