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path: root/drivers/mfd/wm831x-irq.c
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Diffstat (limited to 'drivers/mfd/wm831x-irq.c')
-rw-r--r--drivers/mfd/wm831x-irq.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/mfd/wm831x-irq.c b/drivers/mfd/wm831x-irq.c
index 7dabe4dbd373..294183b6260b 100644
--- a/drivers/mfd/wm831x-irq.c
+++ b/drivers/mfd/wm831x-irq.c
@@ -394,8 +394,13 @@ static int wm831x_irq_set_type(unsigned int irq, unsigned int type)
394 394
395 irq = irq - wm831x->irq_base; 395 irq = irq - wm831x->irq_base;
396 396
397 if (irq < WM831X_IRQ_GPIO_1 || irq > WM831X_IRQ_GPIO_11) 397 if (irq < WM831X_IRQ_GPIO_1 || irq > WM831X_IRQ_GPIO_11) {
398 return -EINVAL; 398 /* Ignore internal-only IRQs */
399 if (irq >= 0 && irq < WM831X_NUM_IRQS)
400 return 0;
401 else
402 return -EINVAL;
403 }
399 404
400 switch (type) { 405 switch (type) {
401 case IRQ_TYPE_EDGE_BOTH: 406 case IRQ_TYPE_EDGE_BOTH: