static irqreturn_t panel_int(int irq, void *dev_id)
{
unsigned int buttons;
buttons = sgioc->panel;
sgioc->panel = SGIOC_PANEL_POWERON | SGIOC_PANEL_POWERINTR;
if (sgint->istat1 & SGINT_ISTAT1_PWR) {
/* Wait until interrupt goes away */
disable_irq(SGI_PANEL_IRQ);
init_timer(&debounce_timer);
debounce_timer.function = debounce;
debounce_timer.expires = jiffies + 5;
add_timer(&debounce_timer);
}
/* Power button was pressed
* ioc.ps page 22: "The Panel Register is called Power Control by Full
* House. Only lowest 2 bits are used. Guiness uses upper four bits
* for volume control". This is not true, all bits are pulled high
* on fullhouse */
if (!(buttons & SGIOC_PANEL_POWERINTR))
power_button();
return IRQ_HANDLED;
}
static void panel_int(int irq, void *dev_id, struct pt_regs *regs)
{
unsigned int buttons;
buttons = hpc3mregs->panel;
hpc3mregs->panel = 3; /* power_interrupt | power_supply_on */
if (ioc_icontrol->istat1 & 2) { /* Wait until interrupt goes away */
disable_irq(9);
init_timer(&debounce_timer);
debounce_timer.function = debounce;
debounce_timer.expires = jiffies + 5;
add_timer(&debounce_timer);
}
if (!(buttons & 2)) /* Power button was pressed */
power_button();
if (!(buttons & 0x40)) { /* Volume up button was pressed */
init_timer(&volume_timer);
volume_timer.function = volume_up_button;
volume_timer.expires = jiffies + 1;
add_timer(&volume_timer);
}
if (!(buttons & 0x10)) { /* Volume down button was pressed */
init_timer(&volume_timer);
volume_timer.function = volume_down_button;
volume_timer.expires = jiffies + 1;
add_timer(&volume_timer);
}
}
