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test: write resolution for uinput devices after creating the device

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EVIOCSABS allows us to set the device's abs axes to the desired resolution.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2013-07-05 08:35:06 +10:00
parent 0fde598ef5
commit a05b1880e1
1 changed files with 24 additions and 3 deletions
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27
test/test-common-uinput.c
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@ -185,7 +185,7 @@ inotify_setup()
int int
uinput_device_create(struct uinput_device* d) uinput_device_create(struct uinput_device* d)
{ {
int type; int type, code;
struct uinput_user_dev dev; struct uinput_user_dev dev;
int rc; int rc;
int fd; int fd;
@ -203,7 +203,6 @@ uinput_device_create(struct uinput_device* d)
dev.id = d->d.ids; dev.id = d->d.ids;
for (type = 0; type < EV_MAX; type++) { for (type = 0; type < EV_MAX; type++) {
int code;
int max; int max;
int uinput_bit; int uinput_bit;
const unsigned long *mask; const unsigned long *mask;
@ -246,7 +245,8 @@ uinput_device_create(struct uinput_device* d)
dev.absmax[code] = d->d.abs_info[code].maximum; dev.absmax[code] = d->d.abs_info[code].maximum;
dev.absfuzz[code] = d->d.abs_info[code].fuzz; dev.absfuzz[code] = d->d.abs_info[code].fuzz;
dev.absflat[code] = d->d.abs_info[code].flat; dev.absflat[code] = d->d.abs_info[code].flat;
/* FIXME: uinput has no resolution */ /* uinput has no resolution in the device struct, we use
* EVIOCSABS below */
} }
} }
@ -274,6 +274,27 @@ uinput_device_create(struct uinput_device* d)
if (d->dev_fd == -1) if (d->dev_fd == -1)
goto error; goto error;
/* write abs resolution now */
if (bit_is_set(d->d.bits, EV_ABS)) {
for (code = 0; code < ABS_MAX; code++ ) {
struct input_absinfo *abs;
/* can't change slots */
if (code == ABS_MT_SLOT)
continue;
if (!bit_is_set(d->d.abs_bits, code))
continue;
abs = &d->d.abs_info[code];
rc = ioctl(d->dev_fd, EVIOCSABS(code), abs);
if (rc < 0) {
printf("error %s for code %d\n", strerror(-rc), code);
goto error;
}
}
}
return 0; return 0;
error: error: