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authorBenjamin Tissoires <benjamin.tissoires@redhat.com>2019-05-27 18:44:40 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2019-05-27 18:50:46 -0700
commit140a79523e0a149b2501593e86fdb9cf7633b325 (patch)
tree2701dee22fe8ad0dfe5717d99b21c7b79f667ac0 /drivers/input/mouse
parentInput: elantech/SMBus - export all capabilities from the PS/2 node (diff)
downloadlinux-dev-140a79523e0a149b2501593e86fdb9cf7633b325.tar.xz
linux-dev-140a79523e0a149b2501593e86fdb9cf7633b325.zip
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>
Diffstat (limited to 'drivers/input/mouse')
-rw-r--r--drivers/input/mouse/elan_i2c_core.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 3b78f58d80f5..65cd325eabc3 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -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 */