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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>
This commit is contained in:
Bartosz Golaszewski 2018-10-31 15:01:40 +01:00
parent 9212492f6e
commit cbf1e092f2
1 changed files with 17 additions and 0 deletions
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17
drivers/gpio/gpio-mockup.c
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@ -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)
{
@ -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;