gpio/pca953x: Interrupt pin is active-low
The interrupt pin of the PCA953x is active low, and on the rising edge
no interrupt should be produced.
Signed-off-by: David Jander <david@protonic.nl>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index ce5736e..17e5570 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -497,7 +497,7 @@
ret = request_threaded_irq(client->irq,
NULL,
pca953x_irq_handler,
- IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+ IRQF_TRIGGER_LOW | IRQF_ONESHOT,
dev_name(&client->dev), chip);
if (ret) {
dev_err(&client->dev, "failed to request irq %d\n",