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gpio: mockup: implement get_multiple()
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We already support set_multiple(). Implement get_multiple() as well.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
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Bartosz Golaszewski committed Feb 19, 2019
1 parent 9212492 commit cbf1e09
Showing 1 changed file with 17 additions and 0 deletions.
17 changes: 17 additions & 0 deletions drivers/gpio/gpio-mockup.c
Original file line number Diff line number Diff line change
Expand Up @@ -102,6 +102,22 @@ static int gpio_mockup_get(struct gpio_chip *gc, unsigned int offset)
return val;
}

static int gpio_mockup_get_multiple(struct gpio_chip *gc,
unsigned long *mask, unsigned long *bits)
{
struct gpio_mockup_chip *chip = gpiochip_get_data(gc);
unsigned int bit, val;

mutex_lock(&chip->lock);
for_each_set_bit(bit, mask, gc->ngpio) {
val = __gpio_mockup_get(gc, bit);
__assign_bit(bit, bits, val);
}
mutex_unlock(&chip->lock);

return 0;
}

static void __gpio_mockup_set(struct gpio_chip *gc,
unsigned int offset, int value)
{
Expand Down Expand Up @@ -327,6 +343,7 @@ static int gpio_mockup_probe(struct platform_device *pdev)
gc->parent = dev;
gc->get = gpio_mockup_get;
gc->set = gpio_mockup_set;
gc->get_multiple = gpio_mockup_get_multiple;
gc->set_multiple = gpio_mockup_set_multiple;
gc->direction_output = gpio_mockup_dirout;
gc->direction_input = gpio_mockup_dirin;
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