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Diffstat (limited to 'src/input.c')
| -rw-r--r-- | src/input.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/src/input.c b/src/input.c index eb7b013..aafb9a3 100644 --- a/src/input.c +++ b/src/input.c @@ -8,6 +8,12 @@ #include "input.h" +/* + * Ensures that the input device has enabled an given EV_REL axis. + * + * Returns -1 on (fatal) error, + * 0 is the axis is enabled. + */ static int check_for_axis ( const struct libevdev * const dev, @@ -25,6 +31,12 @@ static int check_for_axis return 0; } +/* + * Ensures that the input defice is at least 6DOF. + * + * Returns -1 on (fatal) error, + * 0 is the device is compatible. + */ static int device_is_compatible (const struct libevdev * const dev) { if (!libevdev_has_event_type(dev, EV_REL)) @@ -44,6 +56,10 @@ static int device_is_compatible (const struct libevdev * const dev) | (check_for_axis(dev, "RZ", REL_RZ) < 0) ) { + /* + * Note the '|' instead of '||': we want to inform the user of all the + * axes we require. + */ return -1; } @@ -122,11 +138,15 @@ int relabsd_input_read &event ); - /*if (rc == LIBEVDEV_READ_STATUS_SYNC) + /* TODO: Look into LIBEVDEV_READ_STATUS_SYNC, handle it. */ + /* + if (rc == LIBEVDEV_READ_STATUS_SYNC) { handle_syn_dropped(input->dev); } - else*/ if (rc != LIBEVDEV_READ_STATUS_SUCCESS) + else + */ + if (rc != LIBEVDEV_READ_STATUS_SUCCESS) { _WARNING("[INPUT] Could not get next event: %s.", strerror(-rc)); |