(kbdev->current_freqs[i] > freqs[i]) will be always false becasue kbdev->current_freqs[i] has been updated to freqs[i], so we need save current_freqs[i] to old_freqs[i]. Change-Id: I3f8a06d474a359cf292460878c53592c4ce1472b Signed-off-by: Liang Chen <cl@rock-chips.com>