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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>
hifive-unleashed-5.1
David Jander 2011-06-08 11:34:41 -06:00 committed by Grant Likely
parent 910c8fb6b4
commit 17e8b42c17
1 changed files with 1 additions and 1 deletions
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2
drivers/gpio/gpio-pca953x.c
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@ -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",