diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index f2c1fbe2556e..c37584de49ca 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -239,14 +239,6 @@ struct mxt_message { u8 message[7]; }; -struct mxt_finger { - int status; - int x; - int y; - int area; - int pressure; -}; - /* Each client has this additional data */ struct mxt_data { struct i2c_client *client; @@ -255,7 +247,6 @@ struct mxt_data { const struct mxt_platform_data *pdata; struct mxt_object *object_table; struct mxt_info info; - struct mxt_finger finger[MXT_MAX_FINGER]; unsigned int irq; unsigned int max_x; unsigned int max_y; @@ -519,75 +510,17 @@ static int mxt_write_object(struct mxt_data *data, return mxt_write_reg(data->client, reg + offset, val); } -static void mxt_input_report(struct mxt_data *data, int single_id) -{ - struct mxt_finger *finger = data->finger; - struct input_dev *input_dev = data->input_dev; - int status = finger[single_id].status; - int finger_num = 0; - int id; - - for (id = 0; id < MXT_MAX_FINGER; id++) { - if (!finger[id].status) - continue; - - input_mt_slot(input_dev, id); - input_mt_report_slot_state(input_dev, MT_TOOL_FINGER, - finger[id].status != MXT_RELEASE); - - if (finger[id].status != MXT_RELEASE) { - finger_num++; - input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, - finger[id].area); - input_report_abs(input_dev, ABS_MT_POSITION_X, - finger[id].x); - input_report_abs(input_dev, ABS_MT_POSITION_Y, - finger[id].y); - input_report_abs(input_dev, ABS_MT_PRESSURE, - finger[id].pressure); - } else { - finger[id].status = 0; - } - } - - input_report_key(input_dev, BTN_TOUCH, finger_num > 0); - - if (status != MXT_RELEASE) { - input_report_abs(input_dev, ABS_X, finger[single_id].x); - input_report_abs(input_dev, ABS_Y, finger[single_id].y); - input_report_abs(input_dev, - ABS_PRESSURE, finger[single_id].pressure); - } - - input_sync(input_dev); -} - static void mxt_input_touchevent(struct mxt_data *data, struct mxt_message *message, int id) { - struct mxt_finger *finger = data->finger; struct device *dev = &data->client->dev; u8 status = message->message[0]; + struct input_dev *input_dev = data->input_dev; int x; int y; int area; int pressure; - /* Check the touch is present on the screen */ - if (!(status & MXT_DETECT)) { - if (status & MXT_RELEASE) { - dev_dbg(dev, "[%d] released\n", id); - - finger[id].status = MXT_RELEASE; - mxt_input_report(data, id); - } - return; - } - - /* Check only AMP detection */ - if (!(status & (MXT_PRESS | MXT_MOVE))) - return; - x = (message->message[1] << 4) | ((message->message[3] >> 4) & 0xf); y = (message->message[2] << 4) | ((message->message[3] & 0xf)); if (data->max_x < 1024) @@ -601,15 +534,19 @@ static void mxt_input_touchevent(struct mxt_data *data, dev_dbg(dev, "[%d] %s x: %d, y: %d, area: %d\n", id, status & MXT_MOVE ? "moved" : "pressed", x, y, area); + input_mt_slot(input_dev, id); + input_mt_report_slot_state(input_dev, MT_TOOL_FINGER, + status & MXT_DETECT); - finger[id].status = status & MXT_MOVE ? - MXT_MOVE : MXT_PRESS; - finger[id].x = x; - finger[id].y = y; - finger[id].area = area; - finger[id].pressure = pressure; + if (status & MXT_DETECT) { + input_report_abs(input_dev, ABS_MT_POSITION_X, x); + input_report_abs(input_dev, ABS_MT_POSITION_Y, y); + input_report_abs(input_dev, ABS_MT_PRESSURE, pressure); + input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, area); + } - mxt_input_report(data, id); + input_mt_report_pointer_emulation(input_dev, false); + input_sync(input_dev); } static irqreturn_t mxt_interrupt(int irq, void *dev_id)