SDP500_READ_SIZE
i2c_master_recv(client, rxbuf, SDP500_READ_SIZE);
u8 rxbuf[SDP500_READ_SIZE];
ret = i2c_master_recv(client, rxbuf, SDP500_READ_SIZE);
if (ret != SDP500_READ_SIZE) {
u8 rxbuf[SDP500_READ_SIZE];