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path: root/drivers/iio/adc/stx104.c
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Diffstat (limited to 'drivers/iio/adc/stx104.c')
-rw-r--r--drivers/iio/adc/stx104.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/iio/adc/stx104.c b/drivers/iio/adc/stx104.c
index 17b021f33180..0662ca199eb0 100644
--- a/drivers/iio/adc/stx104.c
+++ b/drivers/iio/adc/stx104.c
@@ -233,6 +233,16 @@ static int stx104_gpio_get(struct gpio_chip *chip, unsigned int offset)
return !!(inb(stx104gpio->base) & BIT(offset));
}
+static int stx104_gpio_get_multiple(struct gpio_chip *chip, unsigned long *mask,
+ unsigned long *bits)
+{
+ struct stx104_gpio *const stx104gpio = gpiochip_get_data(chip);
+
+ *bits = inb(stx104gpio->base);
+
+ return 0;
+}
+
static void stx104_gpio_set(struct gpio_chip *chip, unsigned int offset,
int value)
{
@@ -342,6 +352,7 @@ static int stx104_probe(struct device *dev, unsigned int id)
stx104gpio->chip.direction_input = stx104_gpio_direction_input;
stx104gpio->chip.direction_output = stx104_gpio_direction_output;
stx104gpio->chip.get = stx104_gpio_get;
+ stx104gpio->chip.get_multiple = stx104_gpio_get_multiple;
stx104gpio->chip.set = stx104_gpio_set;
stx104gpio->chip.set_multiple = stx104_gpio_set_multiple;
stx104gpio->base = base[id] + 3;