diff options
Diffstat (limited to 'drivers/gpio/gpio-104-idio-16.c')
| -rw-r--r-- | drivers/gpio/gpio-104-idio-16.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-104-idio-16.c b/drivers/gpio/gpio-104-idio-16.c index 2f16638a0589..96700308c1e3 100644 --- a/drivers/gpio/gpio-104-idio-16.c +++ b/drivers/gpio/gpio-104-idio-16.c @@ -90,6 +90,20 @@ static int idio_16_gpio_get(struct gpio_chip *chip, unsigned offset) return !!(inb(idio16gpio->base + 5) & (mask>>8)); } +static int idio_16_gpio_get_multiple(struct gpio_chip *chip, + unsigned long *mask, unsigned long *bits) +{ + struct idio_16_gpio *const idio16gpio = gpiochip_get_data(chip); + + *bits = 0; + if (*mask & GENMASK(23, 16)) + *bits |= (unsigned long)inb(idio16gpio->base + 1) << 16; + if (*mask & GENMASK(31, 24)) + *bits |= (unsigned long)inb(idio16gpio->base + 5) << 24; + + return 0; +} + static void idio_16_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { struct idio_16_gpio *const idio16gpio = gpiochip_get_data(chip); @@ -244,6 +258,7 @@ static int idio_16_probe(struct device *dev, unsigned int id) idio16gpio->chip.direction_input = idio_16_gpio_direction_input; idio16gpio->chip.direction_output = idio_16_gpio_direction_output; idio16gpio->chip.get = idio_16_gpio_get; + idio16gpio->chip.get_multiple = idio_16_gpio_get_multiple; idio16gpio->chip.set = idio_16_gpio_set; idio16gpio->chip.set_multiple = idio_16_gpio_set_multiple; idio16gpio->base = base[id]; |