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| author |   Masaki Ota <masaki.ota@jp.alps.com> | 2015-03-27 20:44:21 -0700 |
|---|---|---|
| committer |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-04-07 08:47:42 -0700 |
| commit | 8eccd39340adb502ac7131552e8a4a2f35c35e06 (patch) | |
| tree | 550e2f9ee1cf6774852ea81316ec84cfb09fd9b2 | |
| parent | Merge tag 'v4.0-rc7' into next (diff) | |
| download | linux-dev-8eccd39340adb502ac7131552e8a4a2f35c35e06.tar.xz linux-dev-8eccd39340adb502ac7131552e8a4a2f35c35e06.zip | |
Input: ALPS - refactor alps_set_abs_params_mt()
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>
| -rw-r--r-- | drivers/input/mouse/alps.c | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index 27bcdbc950c9..c7924b6f7d4b 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -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); +} + +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); - /* V7 is real multi-touch */ - if (priv->proto_version == ALPS_PROTO_V7) - clear_bit(INPUT_PROP_SEMI_MT, dev1->propbit); + 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); |