Symbol: inv_recenter_nonneg
drivers/media/v4l2-core/v4l2-vp9.c
1179
1 + inv_recenter_nonneg(delta, prob - 1) :
drivers/media/v4l2-core/v4l2-vp9.c
1180
255 - inv_recenter_nonneg(delta, 255 - prob);