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evdev: Combine evdev_handle_device() and evdev_configure_device()

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We split the device probing and idenfication somewhat arbitrarily between
these two functions.  This commit combines them into one.  Return of -1
indicates error, 0 success, but succesful probing can return a device
with device->caps == 0, which means we don't handle the device.
This commit is contained in:
Kristian Høgsberg 2013-12-16 11:01:56 -08:00
parent 1aaf3e42e2
commit d24a64ea30
1 changed files with 7 additions and 11 deletions
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18
src/evdev.c
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@ -437,7 +437,7 @@ evdev_device_data(int fd, uint32_t mask, void *data)
}
static int
evdev_handle_device(struct evdev_device *device)
evdev_configure_device(struct evdev_device *device)
{
struct input_absinfo absinfo;
unsigned long ev_bits[NBITS(EV_MAX)];
@ -498,6 +498,7 @@ evdev_handle_device(struct evdev_device *device)
if (!TEST_BIT(abs_bits, ABS_MT_SLOT)) {
device->mtdev = mtdev_new_open(device->fd);
if (!device->mtdev) {
device->caps = 0;
weston_log("mtdev required but failed to open for %s\n",
device->devnode);
return 0;
@ -557,15 +558,10 @@ evdev_handle_device(struct evdev_device *device)
weston_log("input device %s, %s "
"ignored: unsupported device type\n",
device->devname, device->devnode);
device->caps = 0;
return 0;
}
return 1;
}
static int
evdev_configure_device(struct evdev_device *device)
{
if ((device->caps & (EVDEV_MOTION_ABS | EVDEV_MOTION_REL)) &&
(device->caps & EVDEV_BUTTON)) {
weston_seat_init_pointer(device->seat);
@ -625,14 +621,14 @@ evdev_device_create(struct weston_seat *seat, const char *path, int device_fd)
devname[sizeof(devname) - 1] = '\0';
device->devname = strdup(devname);
if (!evdev_handle_device(device)) {
if (evdev_configure_device(device) == -1)
goto err;
if (device->seat_caps == 0) {
evdev_device_destroy(device);
return EVDEV_UNHANDLED_DEVICE;
}
if (evdev_configure_device(device) == -1)
goto err;
/* If the dispatch was not set up use the fallback. */
if (device->dispatch == NULL)
device->dispatch = fallback_dispatch_create();