if (p->ratio == 0) {
                lux = 0;
        } else {
-               ch0lux = DIV_ROUND_UP((ch0 * p->ch0),
+               ch0lux = DIV_ROUND_UP(ch0 * p->ch0,
                        tsl2X7X_als_gainadj[chip->tsl2x7x_settings.als_gain]);
-               ch1lux = DIV_ROUND_UP((ch1 * p->ch1),
+               ch1lux = DIV_ROUND_UP(ch1 * p->ch1,
                        tsl2X7X_als_gainadj[chip->tsl2x7x_settings.als_gain]);
                lux = ch0lux - ch1lux;
        }
        z = y * TSL2X7X_MIN_ITIME;
 
        filter_delay =
-               DIV_ROUND_UP(((result.integer * 1000) + result.fract), z);
+               DIV_ROUND_UP((result.integer * 1000) + result.fract, z);
 
        chip->tsl2x7x_settings.persistence &= 0xF0;
        chip->tsl2x7x_settings.persistence |= (filter_delay & 0x0F);
        z = y * TSL2X7X_MIN_ITIME;
 
        filter_delay =
-               DIV_ROUND_UP(((result.integer * 1000) + result.fract), z);
+               DIV_ROUND_UP((result.integer * 1000) + result.fract, z);
 
        chip->tsl2x7x_settings.persistence &= 0x0F;
        chip->tsl2x7x_settings.persistence |= ((filter_delay << 4) & 0xF0);