BYPASS_MASK
tmp |= BYPASS_MASK;
tmp &= ~BYPASS_MASK;
gnrl_ctl |= BYPASS_MASK;
gnrl_ctl &= ~BYPASS_MASK;
val |= BYPASS_MASK;
val &= ~BYPASS_MASK;
val &= ~BYPASS_MASK;
#define BYPASS (BYPASS_MASK << BYPASS_SHIFT)