DRV_PULSE_ALWAYS_ALIVE
#define DRV_PULSE_ALWAYS_ALIVE 0x00008000
val = pdev->vars.drv_pulse_wr_seq | DRV_PULSE_ALWAYS_ALIVE;
msg_code |= DRV_PULSE_ALWAYS_ALIVE;
SET_FLAGS( msg_code, DRV_PULSE_ALWAYS_ALIVE ) ;
DRV_PULSE_ALWAYS_ALIVE );