pd_irq
.pd_irq = S3C_EINT(27),
err = request_irq(pdev->irq, pd_irq, IRQF_SHARED, DRV_NAME, pd);
disable_irq_nosync(wm831x_ts->pd_irq);
synchronize_irq(wm831x_ts->pd_irq);
enable_irq(wm831x_ts->pd_irq);
wm831x_ts->pd_irq = wm831x_irq(wm831x,
if (pdata && pdata->pd_irq)
wm831x_ts->pd_irq = pdata->pd_irq;
error = request_threaded_irq(wm831x_ts->pd_irq,
wm831x_ts->pd_irq, error);
free_irq(wm831x_ts->pd_irq, wm831x_ts);
free_irq(wm831x_ts->pd_irq, wm831x_ts);
unsigned int pd_irq;
enable_irq(wm831x_ts->pd_irq);
unsigned int pd_irq; /** Touch pendown detect IRQ */