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 ce5736e83620fef22f13fcfcd51e20b0e966e69e..17e55701394bca96558a6e8131db3b2a769846d7 100644 (file)
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -497,7 +497,7 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
                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",