PANEL_UNLOCK_MASK
(val & PANEL_UNLOCK_MASK) != PANEL_UNLOCK_REGS);
PANEL_UNLOCK_MASK, PANEL_UNLOCK_REGS);
((val & PANEL_UNLOCK_MASK) == PANEL_UNLOCK_REGS))
(control & PANEL_UNLOCK_MASK) != PANEL_UNLOCK_REGS)) {
control &= ~PANEL_UNLOCK_MASK;
#define PANEL_UNLOCK_REGS REG_FIELD_PREP(PANEL_UNLOCK_MASK, 0xabcd)