vx_check_isr
#define vx_wait_isr_bit(chip,bit) vx_check_isr(chip, bit, bit, 200)
if (vx_check_isr(chip, ISR_CHK, 0, 200) < 0)
if (vx_check_isr(_chip, ISR_HF2, ISR_HF2, 20) < 0)
if (vx_check_isr(_chip, ISR_HF3, ISR_HF3, 20) < 0)