169 	u16 check_sum;  in t4_read_write_register()  local
190 	check_sum = t4_calc_check_sum(input, 1, 8);  in t4_read_write_register()
191 	input[9] = (u8)check_sum;  in t4_read_write_register()
192 	input[10] = (u8)(check_sum >> 8);  in t4_read_write_register()
233 		check_sum = t4_calc_check_sum(readbuf, 6, 7);  in t4_read_write_register()
234 		if (*(u16 *)&readbuf[13] != check_sum) {  in t4_read_write_register()
236 				*(u16 *)&readbuf[13], check_sum);  in t4_read_write_register()
256 	u8 check_sum;  in u1_read_write_register()  local
276 	check_sum = U1_FEATURE_REPORT_LEN_ALL;  in u1_read_write_register()
278 		check_sum += input[i];  in u1_read_write_register()
280 	input[7] = check_sum;  in u1_read_write_register()