- ati_remote->old_jiffies = jiffies;
- return;
- }
-
- /*
- * Other event kinds are from the directional control pad, and have an
- * acceleration factor applied to them. Without this acceleration, the
- * control pad is mostly unusable.
- *
- * If elapsed time since last event is > 1/4 second, user "stopped",
- * so reset acceleration. Otherwise, user is probably holding the control
- * pad down, so we increase acceleration, ramping up over two seconds to
- * a maximum speed. The acceleration curve is #defined above.
- */
- if ((jiffies - ati_remote->old_jiffies) > (HZ >> 2)) {
- acc = 1;
- ati_remote->acc_jiffies = jiffies;
- }
- else if ((jiffies - ati_remote->acc_jiffies) < (HZ >> 3)) acc = accel[0];
- else if ((jiffies - ati_remote->acc_jiffies) < (HZ >> 2)) acc = accel[1];
- else if ((jiffies - ati_remote->acc_jiffies) < (HZ >> 1)) acc = accel[2];
- else if ((jiffies - ati_remote->acc_jiffies) < HZ ) acc = accel[3];
- else if ((jiffies - ati_remote->acc_jiffies) < HZ+(HZ>>1)) acc = accel[4];
- else if ((jiffies - ati_remote->acc_jiffies) < (HZ << 1)) acc = accel[5];
- else acc = accel[6];
-
- input_regs(dev, regs);
- switch (ati_remote_tbl[index].kind) {
- case KIND_ACCEL:
- input_event(dev, ati_remote_tbl[index].type,
- ati_remote_tbl[index].code,
- ati_remote_tbl[index].value * acc);
- break;
- case KIND_LU:
- input_report_rel(dev, REL_X, -acc);
- input_report_rel(dev, REL_Y, -acc);
- break;
- case KIND_RU:
- input_report_rel(dev, REL_X, acc);
- input_report_rel(dev, REL_Y, -acc);
- break;
- case KIND_LD:
- input_report_rel(dev, REL_X, -acc);
- input_report_rel(dev, REL_Y, acc);
- break;
- case KIND_RD:
- input_report_rel(dev, REL_X, acc);
- input_report_rel(dev, REL_Y, acc);
- break;
- default:
- dev_dbg(&ati_remote->interface->dev, "ati_remote kind=%d\n",
- ati_remote_tbl[index].kind);