Hi Gustavo, On 05/04/2017 09:05 PM, Gustavo A. R. Silva wrote: > The issue here is that the position of arguments in the call to > camif_hw_set_effect() function do not match the order of the parameters: > > camif->colorfx_cb is passed to cr > camif->colorfx_cr is passed to cb > > This is the function prototype: > > void camif_hw_set_effect(struct camif_dev *camif, unsigned int effect, > unsigned int cr, unsigned int cb) > > My question here is if this is intentional? > > In case it is not, I will send a patch to fix it. But first it would be > great to hear any comment about it. You are right, it seems you have found a real bug. Feel free to send a patch. The best thing to do now might be to change the function prototype to: void camif_hw_set_effect(struct camif_dev *camif, unsigned int effect, unsigned int cb, unsigned int cr) -- Regards, Sylwester