mirror of https://gitee.com/openkylin/linux.git
Input: wacom_w8001 - split pen and touch initialization up
This is preparation work for splitting it up for two event nodes. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Acked-by: Benjamin Tissoires <benjamin.tissoires@gmail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Peter Hutterer
Dmitry Torokhov
parent
e171735410
commit
5d0a4fe2a9
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@ -380,12 +380,10 @@ static void w8001_close(struct input_dev *dev)
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w8001_command(w8001, W8001_CMD_STOP, false);
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}
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static int w8001_setup(struct w8001 *w8001)
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static int w8001_detect(struct w8001 *w8001)
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{
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struct input_dev *dev = w8001->dev;
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struct w8001_coord coord;
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struct w8001_touch_query touch;
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int error, err_pen, err_touch;
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int error;
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error = w8001_command(w8001, W8001_CMD_STOP, false);
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if (error)
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@ -399,98 +397,121 @@ static int w8001_setup(struct w8001 *w8001)
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__set_bit(INPUT_PROP_DIRECT, dev->propbit);
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return 0;
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}
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static int w8001_setup_pen(struct w8001 *w8001)
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{
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struct input_dev *dev = w8001->dev;
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struct w8001_coord coord;
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int error;
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/* penabled? */
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err_pen = w8001_command(w8001, W8001_CMD_QUERY, true);
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if (!err_pen) {
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__set_bit(BTN_TOUCH, dev->keybit);
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__set_bit(BTN_TOOL_PEN, dev->keybit);
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__set_bit(BTN_TOOL_RUBBER, dev->keybit);
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__set_bit(BTN_STYLUS, dev->keybit);
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__set_bit(BTN_STYLUS2, dev->keybit);
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error = w8001_command(w8001, W8001_CMD_QUERY, true);
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if (error)
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return error;
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parse_pen_data(w8001->response, &coord);
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w8001->max_pen_x = coord.x;
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w8001->max_pen_y = coord.y;
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__set_bit(BTN_TOUCH, dev->keybit);
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__set_bit(BTN_TOOL_PEN, dev->keybit);
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__set_bit(BTN_TOOL_RUBBER, dev->keybit);
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__set_bit(BTN_STYLUS, dev->keybit);
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__set_bit(BTN_STYLUS2, dev->keybit);
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input_set_abs_params(dev, ABS_X, 0, coord.x, 0, 0);
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input_set_abs_params(dev, ABS_Y, 0, coord.y, 0, 0);
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input_abs_set_res(dev, ABS_X, W8001_PEN_RESOLUTION);
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input_abs_set_res(dev, ABS_Y, W8001_PEN_RESOLUTION);
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input_set_abs_params(dev, ABS_PRESSURE, 0, coord.pen_pressure, 0, 0);
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if (coord.tilt_x && coord.tilt_y) {
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input_set_abs_params(dev, ABS_TILT_X, 0, coord.tilt_x, 0, 0);
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input_set_abs_params(dev, ABS_TILT_Y, 0, coord.tilt_y, 0, 0);
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}
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w8001->id = 0x90;
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strlcat(w8001->name, " Penabled", sizeof(w8001->name));
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parse_pen_data(w8001->response, &coord);
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w8001->max_pen_x = coord.x;
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w8001->max_pen_y = coord.y;
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input_set_abs_params(dev, ABS_X, 0, coord.x, 0, 0);
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input_set_abs_params(dev, ABS_Y, 0, coord.y, 0, 0);
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input_abs_set_res(dev, ABS_X, W8001_PEN_RESOLUTION);
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input_abs_set_res(dev, ABS_Y, W8001_PEN_RESOLUTION);
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input_set_abs_params(dev, ABS_PRESSURE, 0, coord.pen_pressure, 0, 0);
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if (coord.tilt_x && coord.tilt_y) {
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input_set_abs_params(dev, ABS_TILT_X, 0, coord.tilt_x, 0, 0);
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input_set_abs_params(dev, ABS_TILT_Y, 0, coord.tilt_y, 0, 0);
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}
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w8001->id = 0x90;
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strlcat(w8001->name, " Penabled", sizeof(w8001->name));
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return 0;
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}
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static int w8001_setup_touch(struct w8001 *w8001)
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{
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struct input_dev *dev = w8001->dev;
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struct w8001_touch_query touch;
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int error;
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/* Touch enabled? */
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err_touch = w8001_command(w8001, W8001_CMD_TOUCHQUERY, true);
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error = w8001_command(w8001, W8001_CMD_TOUCHQUERY, true);
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if (error)
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return error;
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/*
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* Some non-touch devices may reply to the touch query. But their
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* second byte is empty, which indicates touch is not supported.
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*/
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if (!w8001->response[1])
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return -ENXIO;
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if (!err_touch && !w8001->response[1])
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err_touch = -ENXIO;
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__set_bit(BTN_TOUCH, dev->keybit);
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__set_bit(BTN_TOOL_FINGER, dev->keybit);
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if (!err_touch) {
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__set_bit(BTN_TOUCH, dev->keybit);
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__set_bit(BTN_TOOL_FINGER, dev->keybit);
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parse_touchquery(w8001->response, &touch);
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w8001->max_touch_x = touch.x;
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w8001->max_touch_y = touch.y;
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parse_touchquery(w8001->response, &touch);
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w8001->max_touch_x = touch.x;
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w8001->max_touch_y = touch.y;
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if (w8001->max_pen_x && w8001->max_pen_y) {
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/* if pen is supported scale to pen maximum */
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touch.x = w8001->max_pen_x;
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touch.y = w8001->max_pen_y;
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touch.panel_res = W8001_PEN_RESOLUTION;
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}
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if (w8001->max_pen_x && w8001->max_pen_y) {
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/* if pen is supported scale to pen maximum */
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touch.x = w8001->max_pen_x;
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touch.y = w8001->max_pen_y;
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touch.panel_res = W8001_PEN_RESOLUTION;
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}
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input_set_abs_params(dev, ABS_X, 0, touch.x, 0, 0);
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input_set_abs_params(dev, ABS_Y, 0, touch.y, 0, 0);
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input_abs_set_res(dev, ABS_X, touch.panel_res);
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input_abs_set_res(dev, ABS_Y, touch.panel_res);
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input_set_abs_params(dev, ABS_X, 0, touch.x, 0, 0);
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input_set_abs_params(dev, ABS_Y, 0, touch.y, 0, 0);
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input_abs_set_res(dev, ABS_X, touch.panel_res);
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input_abs_set_res(dev, ABS_Y, touch.panel_res);
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switch (touch.sensor_id) {
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case 0:
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case 2:
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w8001->pktlen = W8001_PKTLEN_TOUCH93;
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w8001->id = 0x93;
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strlcat(w8001->name, " 1FG", sizeof(w8001->name));
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break;
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switch (touch.sensor_id) {
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case 0:
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case 2:
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w8001->pktlen = W8001_PKTLEN_TOUCH93;
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w8001->id = 0x93;
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strlcat(w8001->name, " 1FG", sizeof(w8001->name));
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break;
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case 1:
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case 3:
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case 4:
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w8001->pktlen = W8001_PKTLEN_TOUCH9A;
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strlcat(w8001->name, " 1FG", sizeof(w8001->name));
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w8001->id = 0x9a;
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break;
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case 1:
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case 3:
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case 4:
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w8001->pktlen = W8001_PKTLEN_TOUCH9A;
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strlcat(w8001->name, " 1FG", sizeof(w8001->name));
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w8001->id = 0x9a;
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break;
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case 5:
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w8001->pktlen = W8001_PKTLEN_TOUCH2FG;
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case 5:
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w8001->pktlen = W8001_PKTLEN_TOUCH2FG;
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__set_bit(BTN_TOOL_DOUBLETAP, dev->keybit);
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input_mt_init_slots(dev, 2, 0);
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input_set_abs_params(dev, ABS_MT_POSITION_X,
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0, touch.x, 0, 0);
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input_set_abs_params(dev, ABS_MT_POSITION_Y,
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0, touch.y, 0, 0);
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input_set_abs_params(dev, ABS_MT_TOOL_TYPE,
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0, MT_TOOL_MAX, 0, 0);
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__set_bit(BTN_TOOL_DOUBLETAP, dev->keybit);
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input_mt_init_slots(dev, 2, 0);
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input_set_abs_params(dev, ABS_MT_POSITION_X,
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0, touch.x, 0, 0);
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input_set_abs_params(dev, ABS_MT_POSITION_Y,
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0, touch.y, 0, 0);
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input_set_abs_params(dev, ABS_MT_TOOL_TYPE,
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0, MT_TOOL_MAX, 0, 0);
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strlcat(w8001->name, " 2FG", sizeof(w8001->name));
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if (w8001->max_pen_x && w8001->max_pen_y)
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w8001->id = 0xE3;
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else
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w8001->id = 0xE2;
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break;
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}
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strlcat(w8001->name, " 2FG", sizeof(w8001->name));
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if (w8001->max_pen_x && w8001->max_pen_y)
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w8001->id = 0xE3;
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else
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w8001->id = 0xE2;
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break;
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}
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strlcat(w8001->name, " Touchscreen", sizeof(w8001->name));
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return !err_pen || !err_touch ? 0 : -ENXIO;
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return 0;
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}
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/*
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@ -519,7 +540,7 @@ static int w8001_connect(struct serio *serio, struct serio_driver *drv)
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{
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struct w8001 *w8001;
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struct input_dev *input_dev;
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int err;
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int err, err_pen, err_touch;
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w8001 = kzalloc(sizeof(struct w8001), GFP_KERNEL);
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input_dev = input_allocate_device();
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@ -538,10 +559,17 @@ static int w8001_connect(struct serio *serio, struct serio_driver *drv)
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if (err)
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goto fail2;
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err = w8001_setup(w8001);
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err = w8001_detect(w8001);
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if (err)
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goto fail3;
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err_pen = w8001_setup_pen(w8001);
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err_touch = w8001_setup_touch(w8001);
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if (err_pen && err_touch) {
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err = -ENXIO;
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goto fail3;
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}
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input_dev->name = w8001->name;
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input_dev->phys = w8001->phys;
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input_dev->id.product = w8001->id;
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