REG_OFFSET_INTERRUPT_CONTROL
reg_val = dmc520_read_reg(pvt, REG_OFFSET_INTERRUPT_CONTROL);
REG_OFFSET_INTERRUPT_CONTROL);
REG_OFFSET_INTERRUPT_CONTROL);
reg_val = dmc520_read_reg(pvt, REG_OFFSET_INTERRUPT_CONTROL);
REG_OFFSET_INTERRUPT_CONTROL);