[PATCH 3/9 v2] Input: synaptics - refactor initialization of abs position axes

djkurtz
2011-07-20T13:40:33Z

From: Daniel Kurtz <djkurtz@chromium.org>

Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
---
drivers/input/mouse/synaptics.c | 44 +++++++++++++++++---------------------
1 files changed, 20 insertions(+), 24 deletions(-)

diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index e966894..30d05fd 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -712,39 +712,38 @@ static psmouse_ret_t synaptics_process_byte(struct psmouse *psmouse)
/*****************************************************************************
* Driver initialization/cleanup functions
****************************************************************************/
+static void set_abs_position_params(struct input_dev *dev,
+ struct synaptics_data *priv, int x_code,
+ int y_code)
+{
+ int x_min = priv->x_min ?: XMIN_NOMINAL;
+ int x_max = priv->x_max ?: XMAX_NOMINAL;
+ int y_min = priv->y_min ?: YMIN_NOMINAL;
+ int y_max = priv->y_max ?: YMAX_NOMINAL;
+ int fuzz = SYN_CAP_REDUCED_FILTERING(priv->ext_cap_0c) ?
+ SYN_REDUCED_FILTER_FUZZ : 0;
+
+ input_set_abs_params(dev, x_code, x_min, x_max, fuzz, 0);
+ input_set_abs_params(dev, y_code, y_min, y_max, fuzz, 0);
+ input_abs_set_res(dev, x_code, priv->x_res);
+ input_abs_set_res(dev, y_code, priv->y_res);
+}
+
static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
{
int i;
- int fuzz = SYN_CAP_REDUCED_FILTERING(priv->ext_cap_0c) ?
- SYN_REDUCED_FILTER_FUZZ : 0;

__set_bit(INPUT_PROP_POINTER, dev->propbit);

__set_bit(EV_ABS, dev->evbit);
- input_set_abs_params(dev, ABS_X,
- priv->x_min ?: XMIN_NOMINAL,
- priv->x_max ?: XMAX_NOMINAL,
- fuzz, 0);
- input_set_abs_params(dev, ABS_Y,
- priv->y_min ?: YMIN_NOMINAL,
- priv->y_max ?: YMAX_NOMINAL,
- fuzz, 0);
+ set_abs_position_params(dev, priv, ABS_X, ABS_Y);
input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0);

if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) {
__set_bit(INPUT_PROP_SEMI_MT, dev->propbit);
input_mt_init_slots(dev, 2);
- input_set_abs_params(dev, ABS_MT_POSITION_X,
- priv->x_min ?: XMIN_NOMINAL,
- priv->x_max ?: XMAX_NOMINAL,
- fuzz, 0);
- input_set_abs_params(dev, ABS_MT_POSITION_Y,
- priv->y_min ?: YMIN_NOMINAL,
- priv->y_max ?: YMAX_NOMINAL,
- fuzz, 0);
-
- input_abs_set_res(dev, ABS_MT_POSITION_X, priv->x_res);
- input_abs_set_res(dev, ABS_MT_POSITION_Y, priv->y_res);
+ set_abs_position_params(dev, priv, ABS_MT_POSITION_X,
+ ABS_MT_POSITION_Y);
}

if (SYN_CAP_PALMDETECT(priv->capabilities))
@@ -777,9 +776,6 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
__clear_bit(REL_X, dev->relbit);
__clear_bit(REL_Y, dev->relbit);

- input_abs_set_res(dev, ABS_X, priv->x_res);
- input_abs_set_res(dev, ABS_Y, priv->y_res);
-
if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) {
__set_bit(INPUT_PROP_BUTTONPAD, dev->propbit);
/* Clickpads report only left button */
--
1.7.3.1