test: write resolution for uinput devices after creating the device

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

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

diff --git a/test/test-common-uinput.c b/test/test-common-uinput.c
index b5a2c88f478c4b26ae608ddf0d355ae523f9ac68..4b3a079fd24f964a2e4fc400d70abd7d2af2ff09 100644 (file)
--- a/test/test-common-uinput.c
+++ b/test/test-common-uinput.c
@@ -185,7 +185,7 @@ inotify_setup()
 int
 uinput_device_create(struct uinput_device* d)
 {
-       int type;
+       int type, code;
        struct uinput_user_dev dev;
        int rc;
        int fd;
@@ -203,7 +203,6 @@ uinput_device_create(struct uinput_device* d)
        dev.id = d->d.ids;
 
        for (type = 0; type < EV_MAX; type++) {
-               int code;
                int max;
                int uinput_bit;
                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.absfuzz[code] = d->d.abs_info[code].fuzz;
                                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)
                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;
 
 error: