From cbf1e092f2d86e6d7cdb7f9ff8a333f52c826232 Mon Sep 17 00:00:00 2001
From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Date: Wed, 31 Oct 2018 15:01:40 +0100
Subject: [PATCH] gpio: mockup: implement get_multiple()
We already support set_multiple(). Implement get_multiple() as well.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
drivers/gpio/gpio-mockup.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c
index b4c1de6acf742..1c945c967f60a 100644
--- a/drivers/gpio/gpio-mockup.c
+++ b/drivers/gpio/gpio-mockup.c
@@ -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;
--
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