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Input: ALPS - refactor alps_set_abs_params_mt()

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In preparation for adding support for SS4 touchpads, let's split
alps_set_abs_params_mt into common, v7-specific, and other protocols
portions.

Signed-off-by: Masaki Ota <masaki.ota@jp.alps.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Masaki Ota 2015-03-27 20:44:21 -07:00 committed by Dmitry Torokhov
parent 5f63e885ac
commit 8eccd39340
1 changed files with 26 additions and 12 deletions
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38
drivers/input/mouse/alps.c
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@ -157,6 +157,8 @@ static void alps_set_abs_params_st(struct alps_data *priv,
struct input_dev *dev1);
static void alps_set_abs_params_mt(struct alps_data *priv,
struct input_dev *dev1);
static void alps_set_abs_params_v7(struct alps_data *priv,
struct input_dev *dev1);
/* Packet formats are described in Documentation/input/alps.txt */
@ -2311,7 +2313,7 @@ static int alps_set_protocol(struct psmouse *psmouse,
priv->hw_init = alps_hw_init_v7;
priv->process_packet = alps_process_packet_v7;
priv->decode_fields = alps_decode_packet_v7;
priv->set_abs_params = alps_set_abs_params_mt;
priv->set_abs_params = alps_set_abs_params_v7;
priv->nibble_commands = alps_v3_nibble_commands;
priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
priv->x_max = 0xfff;
@ -2437,10 +2439,11 @@ static void alps_set_abs_params_st(struct alps_data *priv,
{
input_set_abs_params(dev1, ABS_X, 0, priv->x_max, 0, 0);
input_set_abs_params(dev1, ABS_Y, 0, priv->y_max, 0, 0);
input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0);
}
static void alps_set_abs_params_mt(struct alps_data *priv,
struct input_dev *dev1)
static void alps_set_abs_params_mt_common(struct alps_data *priv,
struct input_dev *dev1)
{
input_set_abs_params(dev1, ABS_MT_POSITION_X, 0, priv->x_max, 0, 0);
input_set_abs_params(dev1, ABS_MT_POSITION_Y, 0, priv->y_max, 0, 0);
@ -2448,15 +2451,29 @@ static void alps_set_abs_params_mt(struct alps_data *priv,
input_abs_set_res(dev1, ABS_MT_POSITION_X, priv->x_res);
input_abs_set_res(dev1, ABS_MT_POSITION_Y, priv->y_res);
input_mt_init_slots(dev1, MAX_TOUCHES, INPUT_MT_POINTER |
INPUT_MT_DROP_UNUSED | INPUT_MT_TRACK | INPUT_MT_SEMI_MT);
set_bit(BTN_TOOL_TRIPLETAP, dev1->keybit);
set_bit(BTN_TOOL_QUADTAP, dev1->keybit);
}
/* V7 is real multi-touch */
if (priv->proto_version == ALPS_PROTO_V7)
clear_bit(INPUT_PROP_SEMI_MT, dev1->propbit);
static void alps_set_abs_params_mt(struct alps_data *priv,
struct input_dev *dev1)
{
alps_set_abs_params_mt_common(priv, dev1);
input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0);
input_mt_init_slots(dev1, MAX_TOUCHES,
INPUT_MT_POINTER | INPUT_MT_DROP_UNUSED |
INPUT_MT_TRACK | INPUT_MT_SEMI_MT);
}
static void alps_set_abs_params_v7(struct alps_data *priv,
struct input_dev *dev1)
{
alps_set_abs_params_mt_common(priv, dev1);
input_mt_init_slots(dev1, MAX_TOUCHES,
INPUT_MT_POINTER | INPUT_MT_DROP_UNUSED |
INPUT_MT_TRACK);
}
int alps_init(struct psmouse *psmouse)
@ -2489,9 +2506,6 @@ int alps_init(struct psmouse *psmouse)
dev1->evbit[BIT_WORD(EV_ABS)] |= BIT_MASK(EV_ABS);
priv->set_abs_params(priv, dev1);
/* No pressure on V7 */
if (priv->proto_version != ALPS_PROTO_V7)
input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0);
if (priv->flags & ALPS_WHEEL) {
dev1->evbit[BIT_WORD(EV_REL)] |= BIT_MASK(EV_REL);