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From: Daniel Martin <consume.noise@gmail.com>
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Date: Sun, 8 Mar 2015 22:28:29 -0700
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Subject: [PATCH] Input: synaptics - log queried and quirked dimension values
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Logging the dimension values we queried and the values we use from a quirk
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to overwrite can be helpful for debugging.
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This partly relates to bug:
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https://bugzilla.kernel.org/show_bug.cgi?id=91541
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Cc: stable@vger.kernel.org
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Signed-off-by: Daniel Martin <consume.noise@gmail.com>
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Acked-by: Hans de Goede <hdegoede@redhat.com>
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Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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---
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drivers/input/mouse/synaptics.c | 10 ++++++++++
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1 file changed, 10 insertions(+)
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diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
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index b501dda75dcb..47c5dca20a60 100644
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--- a/drivers/input/mouse/synaptics.c
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+++ b/drivers/input/mouse/synaptics.c
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@@ -362,6 +362,9 @@ static int synaptics_resolution(struct psmouse *psmouse)
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} else {
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priv->x_max = (resp[0] << 5) | ((resp[1] & 0x0f) << 1);
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priv->y_max = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3);
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+ psmouse_info(psmouse,
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+ "queried max coordinates: x [..%d], y [..%d]\n",
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+ priv->x_max, priv->y_max);
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}
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}
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@@ -373,6 +376,9 @@ static int synaptics_resolution(struct psmouse *psmouse)
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} else {
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priv->x_min = (resp[0] << 5) | ((resp[1] & 0x0f) << 1);
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priv->y_min = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3);
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+ psmouse_info(psmouse,
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+ "queried min coordinates: x [%d..], y [%d..]\n",
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+ priv->x_min, priv->y_min);
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}
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}
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@@ -395,6 +401,10 @@ static void synaptics_apply_quirks(struct psmouse *psmouse)
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priv->x_max = min_max_pnpid_table[i].x_max;
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priv->y_min = min_max_pnpid_table[i].y_min;
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priv->y_max = min_max_pnpid_table[i].y_max;
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+ psmouse_info(psmouse,
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+ "quirked min/max coordinates: x [%d..%d], y [%d..%d]\n",
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+ priv->x_min, priv->x_max,
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+ priv->y_min, priv->y_max);
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break;
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}
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}
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--
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2.1.0
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