Commit 48bdce4a authored Apr 21, 2008 by Vernon Sauder Committed by Dmitry Torokhov Apr 24, 2008

Input: ucb1400_ts - IRQ probe fix



The UCB1400 driver IRQ probe code fails to find an interrupt if all
the interrupts in the range 0-31 are nonprobe-able. This patch
removes the check of the return value so interrupts above 31 can be
detected.

Tested on InHand Fingertip4 PXA270 board.

Signed-off-by: Vernon Sauder <vsauder@inhand.com>
Acked-by: Nicolas Pitre <nico@marvell.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

parent a22b4b2f

drivers/input/touchscreen/ucb1400_ts.c

+0 −4

Original line number	Diff line number	Diff line
		@@ -427,10 +427,6 @@ static int ucb1400_detect_irq(struct ucb1400 *ucb)
		unsigned long mask, timeout;

		mask = probe_irq_on();
		if (!mask) {
		probe_irq_off(mask);
		return -EBUSY;
		}

		/* Enable the ADC interrupt. */
		ucb1400_reg_write(ucb, UCB_IE_RIS, UCB_IE_ADC);