BTN_BACK
[BTN_BACK] = "BackBtn", [BTN_TASK] = "TaskBtn",
input_report_key(hidpp->input, BTN_BACK, 1);
input_report_key(hidpp->input, BTN_BACK, 0);
__set_bit(BTN_BACK, input_dev->keybit);
BTN_BACK,
input_report_key(pad_input, BTN_BACK, (data[1] & 0x02) != 0);
input_report_key(input, BTN_BACK, (data[1] & 0x08) != 0);
input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
__set_bit(BTN_BACK, input_dev->keybit);
__set_bit(BTN_BACK, input_dev->keybit);
__set_bit(BTN_BACK, input_dev->keybit);
input_report_key(pad_input, BTN_BACK, (data[7] & 0x40));
input_report_key(pad_input, BTN_BACK, (data[7] & 0x08));
input_report_key(dev, BTN_BACK, data[i].c_down);
input_set_capability(dev, EV_KEY, BTN_BACK);
dev1->keybit[BIT_WORD(BTN_BACK)] |= BIT_MASK(BTN_BACK);
input_report_key(dev, BTN_BACK, back);
__set_bit(BTN_BACK, dev->keybit);
input_report_key(dev, BTN_BACK, packet[0] & 0x80);
input_set_capability(input_dev, EV_KEY, BTN_BACK);
input_report_key(dev, BTN_BACK, packet[2] & BIT(3));
input_report_key(dev, BTN_BACK, lscroll);
__set_bit(BTN_BACK, dev->keybit);
input_report_key(dev, BTN_BACK, hw->down);
input_report_key(dev, BTN_BACK, !hw.down);
input_report_key(dev, BTN_BACK, hw.down);
input_set_capability(dev, EV_KEY, BTN_BACK);
case BTN_BACK: