On some v7 devices (e.g. Lenovo-E550) the deltas reported are typically only in the 0-1 range dividing this by 2 results in a range of 0-0. And even for v7 devices where this does not lead to making the trackstick entirely unusable, it makes it twice as slow as before we added v7 support and were using the ps/2 mouse emulation of the dual point setup. If some kind of generic slowdown is actually necessary for some devices, then that belongs in userspace, not in the kernel.
Unified · Split
| @@ -1063,9 +1063,8 @@ static void alps_process_trackstick_packet_v7(struct psmouse *psmouse) · 1062 unmodified lines | |||
| 1063 | right = (packet[1] & 0x02) >> 1; | 1063 | right = (packet[1] & 0x02) >> 1; |
| 1064 | middle = (packet[1] & 0x04) >> 2; | 1064 | middle = (packet[1] & 0x04) >> 2; |
| 1065 | 1065 | ||
| 1066 | /* Divide 2 since trackpoint's speed is too fast */ | 1066 | input_report_rel(dev2, REL_X, (char)x); |
| 1067 | input_report_rel(dev2, REL_X, (char)x / 2); | 1067 | input_report_rel(dev2, REL_Y, -((char)y)); |
| 1068 | input_report_rel(dev2, REL_Y, -((char)y / 2)); | ||
| 1069 | 1068 | ||
| 1070 | input_report_key(dev2, BTN_LEFT, left); | 1069 | input_report_key(dev2, BTN_LEFT, left); |
| 1071 | input_report_key(dev2, BTN_RIGHT, right); | 1070 | input_report_key(dev2, BTN_RIGHT, right); |