SCR_PHP_V
val = get_scr(ice) & SCR_PHP_V;
&& (~old & SCR_PHP_V)) /* 0 = voltage 5V */ {
new = old | SCR_PHP_V;
} else if (!ucontrol->value.integer.value[0] && (old & SCR_PHP_V)) {
new = old & ~SCR_PHP_V;