static int
test_probe(struct ratbag_device *device, const struct ratbag_id id)
{
struct ratbag_test_device *test_device;
assert(id.id.bustype == 0x00);
assert(id.id.vendor == 0x00);
assert(id.id.product == 0x00);
assert(id.id.version == 0x00);
assert(id.test_device != NULL);
test_device = id.test_device;
ratbag_set_drv_data(device, test_device);
ratbag_device_init_profiles(device,
test_device->num_profiles,
test_device->num_buttons);
return 0;
}
static int
hidpp20drv_probe(struct ratbag_device *device)
{
int rc;
struct hidpp20drv_data *drv_data;
struct hidpp_device base;
struct hidpp20_device *dev;
const char *prop;
int device_idx = HIDPP_RECEIVER_IDX;
int nread = 0;
rc = ratbag_find_hidraw(device, hidpp20drv_test_hidraw);
if (rc)
return rc;
drv_data = zalloc(sizeof(*drv_data));
ratbag_set_drv_data(device, drv_data);
hidpp_device_init(&base, device->hidraw.fd);
hidpp_device_set_log_handler(&base, hidpp20_log, HIDPP_LOG_PRIORITY_RAW, device);
prop = ratbag_device_get_udev_property(device, "RATBAG_HIDPP20_INDEX");
if (prop) {
sscanf(prop, "%d%n", &device_idx, &nread);
if (!nread || (prop[nread]) != '\0' || device_idx < 0) {
log_error(device->ratbag,
"Error parsing RATBAG_HIDPP20_INDEX: '%s' for %s\n",
prop,
device->name);
device_idx = HIDPP_RECEIVER_IDX;
}
}
/* In the general case, we can treat all devices as wired devices
* here. If we talk to the correct hidraw device the kernel adjusts
* the device index for us, so even for unifying receiver devices
* we can just use 0xff as device index.
*
* If there is a special need like for G900, we can pass a
* udev prop RATBAG_HIDPP20_INDEX.
*/
dev = hidpp20_device_new(&base, device_idx);
if (!dev) {
rc = -ENODEV;
goto err;
}
drv_data->dev = dev;
log_debug(device->ratbag, "'%s' is using protocol v%d.%d\n", ratbag_device_get_name(device), dev->proto_major, dev->proto_minor);
/* add some defaults that will be overwritten by the device */
drv_data->num_profiles = 1;
drv_data->num_resolutions = 1;
drv_data->num_buttons = 8;
rc = hidpp20drv_20_probe(device);
if (rc)
goto err;
ratbag_device_init_profiles(device,
drv_data->num_profiles,
drv_data->num_resolutions,
drv_data->num_buttons);
return rc;
err:
hidpp20drv_remove(device);
return rc;
}
