diff options
Diffstat (limited to 'drivers/gpio/gpio-pcf857x.c')
| -rw-r--r-- | drivers/gpio/gpio-pcf857x.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/gpio/gpio-pcf857x.c b/drivers/gpio/gpio-pcf857x.c index 2e5f5d7f8865..3b9de8c3d924 100644 --- a/drivers/gpio/gpio-pcf857x.c +++ b/drivers/gpio/gpio-pcf857x.c @@ -171,21 +171,24 @@ static int pcf857x_output(struct gpio_chip *chip, unsigned int offset, int value return status; } -static void pcf857x_set(struct gpio_chip *chip, unsigned int offset, int value) +static int pcf857x_set(struct gpio_chip *chip, unsigned int offset, int value) { - pcf857x_output(chip, offset, value); + return pcf857x_output(chip, offset, value); } -static void pcf857x_set_multiple(struct gpio_chip *chip, unsigned long *mask, - unsigned long *bits) +static int pcf857x_set_multiple(struct gpio_chip *chip, unsigned long *mask, + unsigned long *bits) { struct pcf857x *gpio = gpiochip_get_data(chip); + int status; mutex_lock(&gpio->lock); gpio->out &= ~*mask; gpio->out |= *bits & *mask; - gpio->write(gpio->client, gpio->out); + status = gpio->write(gpio->client, gpio->out); mutex_unlock(&gpio->lock); + + return status; } /*-------------------------------------------------------------------------*/ |