diff options
Diffstat (limited to 'src/caps.c')
| -rw-r--r-- | src/caps.c | 25 |
1 files changed, 25 insertions, 0 deletions
@@ -82,6 +82,28 @@ static void default_fuzz(struct mtdev *dev, int code, int sn) abs->fuzz = (abs->maximum - abs->minimum) / sn; } +int mtdev_set_slots(struct mtdev *dev, int fd) +{ + struct { unsigned code; int values[DIM_FINGER]; } req; + struct mtdev_state *state = dev->state; + int rc, i, s, nslot; + + nslot = mtdev_get_abs_maximum(dev, ABS_MT_SLOT) + 1; + + for (i = 0; i < MT_ABS_SIZE; i++) { + req.code = mtdev_mt2abs(i); + if (!mtdev_has_mt_event(dev, req.code)) + continue; + SYSCALL(rc = ioctl(fd, EVIOCGMTSLOTS(sizeof(req)), &req)); + if (rc < 0) + return rc; + for (s = 0; s < DIM_FINGER && s < nslot; s++) + set_sval(&state->data[s], i, req.values[s]); + } + + return 0; +} + int mtdev_configure(struct mtdev *dev, int fd) { unsigned long absbits[nlongs(ABS_MAX)]; @@ -118,6 +140,9 @@ int mtdev_configure(struct mtdev *dev, int fd) default_fuzz(dev, ABS_MT_WIDTH_MINOR, SN_WIDTH); default_fuzz(dev, ABS_MT_ORIENTATION, SN_ORIENT); + if (dev->has_slot) + mtdev_set_slots(dev, fd); + return 0; } |