Commit df508450 authored Jan 14, 2011 by Mark Brown Committed by Samuel Ortiz Mar 23, 2011

mfd: Leave acknowledgement of WM831x touchscreen IRQs to the driver

The WM831x touchscreen interrupts need acknowledgement even when using
direct signals to the CPU (which don't go through the core) so leave
the acknowledgement up to the touchscreen driver for simplicity.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

parent 6447f55d

drivers/mfd/wm831x-irq.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -481,6 +481,9 @@ static irqreturn_t wm831x_irq_thread(int irq, void *data)
		}

		out:
		/* Touchscreen interrupts are handled specially in the driver */
		status_regs[0] &= ~(WM831X_TCHDATA_EINT \| WM831X_TCHPD_EINT);

		for (i = 0; i < ARRAY_SIZE(status_regs); i++) {
		if (status_regs[i])
		wm831x_reg_write(wm831x, WM831X_INTERRUPT_STATUS_1 + i,