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>
diff --git a/drivers/input/touchscreen/ucb1400_ts.c b/drivers/input/touchscreen/ucb1400_ts.c
index 607f993..bce018e 100644
--- a/drivers/input/touchscreen/ucb1400_ts.c
+++ b/drivers/input/touchscreen/ucb1400_ts.c
@@ -427,10 +427,6 @@
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);