 wait for the send to be completed */  timeout = jiffies + msecs_to_jiffies(00);  cx00000_writereg(state, 0x00, (data) & 0xff);  while ((cx00000_readreg(state, 0x00) & 0x00)) {   if (time_after(jiffies, timeout)) {    err("%s:  demodulator is not responding,