C++ (Cpp) CIC_EXT_SET_ACTIVE_LO Examples

Example #1

static int msp_hwbutton_register(struct hwbutton_interrupt *hirq)
{
	unsigned long cic_ext;

	if (hirq->handle_hi == NULL || hirq->handle_lo == NULL)
		return -EINVAL;

	cic_ext = *CIC_EXT_CFG_REG;
	CIC_EXT_SET_TRIGGER_LEVEL(cic_ext, hirq->eirq);
	if (hirq->initial_state == HWBUTTON_HI)
		CIC_EXT_SET_ACTIVE_LO(cic_ext, hirq->eirq);
	else
		CIC_EXT_SET_ACTIVE_HI(cic_ext, hirq->eirq);
	*CIC_EXT_CFG_REG = cic_ext;

<<<<<<< HEAD

Example #2

static irqreturn_t hwbutton_handler(int irq, void *data)
{
	struct hwbutton_interrupt *hirq = data;
	unsigned long cic_ext = *CIC_EXT_CFG_REG;

	if (CIC_EXT_IS_ACTIVE_HI(cic_ext, hirq->eirq)) {
		/* Interrupt: pin is now HI */
		CIC_EXT_SET_ACTIVE_LO(cic_ext, hirq->eirq);
		hirq->handle_hi(hirq->data);
	} else {
		/* Interrupt: pin is now LO */
		CIC_EXT_SET_ACTIVE_HI(cic_ext, hirq->eirq);
		hirq->handle_lo(hirq->data);
	}

	/*
	 * Invert the POLARITY of this level interrupt to ack the interrupt
	 * Thus next state change will invoke the opposite message
	 */
	*CIC_EXT_CFG_REG = cic_ext;

	return IRQ_HANDLED;
}

Example #3

File: msp_hwbutton.c Project: romanbb/android_kernel_lge_d851

static irqreturn_t hwbutton_handler(int irq, void *data)
{
	struct hwbutton_interrupt *hirq = data;
	unsigned long cic_ext = *CIC_EXT_CFG_REG;

	if (CIC_EXT_IS_ACTIVE_HI(cic_ext, hirq->eirq)) {
		/*                          */
		CIC_EXT_SET_ACTIVE_LO(cic_ext, hirq->eirq);
		hirq->handle_hi(hirq->data);
	} else {
		/*                          */
		CIC_EXT_SET_ACTIVE_HI(cic_ext, hirq->eirq);
		hirq->handle_lo(hirq->data);
	}

	/*
                                                                    
                                                           
  */
	*CIC_EXT_CFG_REG = cic_ext;

	return IRQ_HANDLED;
}