From 140a79523e0a149b2501593e86fdb9cf7633b325 Mon Sep 17 00:00:00 2001 From: Benjamin Tissoires Date: Mon, 27 May 2019 18:44:40 -0700 Subject: Input: elan_i2c - handle physical middle button Some models have a middle button, we should export it as well. Signed-off-by: Benjamin Tissoires Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/elan_i2c_core.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) (limited to 'drivers/input/mouse') 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 */ -- cgit v1.2.3-59-g8ed1b