diff options
| -rw-r--r-- | firmware/drivers/button.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/firmware/drivers/button.c b/firmware/drivers/button.c index 5ba45bb..db1033d 100644 --- a/firmware/drivers/button.c +++ b/firmware/drivers/button.c @@ -174,8 +174,19 @@ static int ipod_4g_button_read(void) old_wheel_value = new_wheel_value; } - if (wheel_keycode != BUTTON_NONE) - queue_post(&button_queue, wheel_keycode, NULL); + if (wheel_keycode != BUTTON_NONE) { + /* When you use the clickwheel, the queue should + usually have no other events in it, so we check if + it's empty to see whether pending clickwheel events + have been handled. This way, Rockbox will stop + responding to the clickwheel if it doesn't have time + to handle the events immediately. + Can also implement queue_peek() to do this in a + cleaner way. + */ + if (queue_empty(&button_queue)) + queue_post(&button_queue, wheel_keycode, NULL); + } } else { old_wheel_value = new_wheel_value; |