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Input: elan_i2c - handle physical middle button 

Some models have a middle button, we should export it as well.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Benjamin Tissoires 2019-05-27 18:44:40 -07:00 committed by Dmitry Torokhov
parent 3abcc5329a
commit 140a79523e
1 changed files with 12 additions and 4 deletions
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16
drivers/input/mouse/elan_i2c_core.c
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@ -99,6 +99,7 @@ struct elan_tp_data {
u8 max_baseline;
bool baseline_ready;
u8 clickpad;
bool middle_button;
};
static int elan_get_fwinfo(u16 ic_type, u16 *validpage_count,
@ -420,6 +421,9 @@ static int elan_query_device_parameters(struct elan_tp_data *data)
if (device_property_read_bool(&client->dev, "elan,clickpad"))
data->clickpad = 1;
if (device_property_read_bool(&client->dev, "elan,middle-button"))
data->middle_button = true;
return 0;
}
@ -958,8 +962,9 @@ static void elan_report_absolute(struct elan_tp_data *data, u8 *packet)
finger_data += ETP_FINGER_DATA_LEN;
}
input_report_key(input, BTN_LEFT, tp_info & 0x01);
input_report_key(input, BTN_RIGHT, tp_info & 0x02);
input_report_key(input, BTN_LEFT, tp_info & BIT(0));
input_report_key(input, BTN_MIDDLE, tp_info & BIT(2));
input_report_key(input, BTN_RIGHT, tp_info & BIT(1));
input_report_abs(input, ABS_DISTANCE, hover_event != 0);
input_mt_report_pointer_emulation(input, true);
input_sync(input);
@ -1093,10 +1098,13 @@ static int elan_setup_input_device(struct elan_tp_data *data)
__set_bit(EV_ABS, input->evbit);
__set_bit(INPUT_PROP_POINTER, input->propbit);
if (data->clickpad)
if (data->clickpad) {
__set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
else
} else {
__set_bit(BTN_RIGHT, input->keybit);
if (data->middle_button)
__set_bit(BTN_MIDDLE, input->keybit);
}
__set_bit(BTN_LEFT, input->keybit);
/* Set up ST parameters */