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path: root/drivers/gpio/gpiolib.c
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Diffstat (limited to 'drivers/gpio/gpiolib.c')
-rw-r--r--drivers/gpio/gpiolib.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 18bba1748a35..e452768f316d 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -3011,6 +3011,23 @@ void gpiod_set_raw_array_value_cansleep(unsigned int array_size,
EXPORT_SYMBOL_GPL(gpiod_set_raw_array_value_cansleep);
/**
+ * gpiod_add_lookup_tables() - register GPIO device consumers
+ * @tables: list of tables of consumers to register
+ * @n: number of tables in the list
+ */
+void gpiod_add_lookup_tables(struct gpiod_lookup_table **tables, size_t n)
+{
+ unsigned int i;
+
+ mutex_lock(&gpio_lookup_lock);
+
+ for (i = 0; i < n; i++)
+ list_add_tail(&tables[i]->list, &gpio_lookup_list);
+
+ mutex_unlock(&gpio_lookup_lock);
+}
+
+/**
* gpiod_set_array_value_cansleep() - assign values to an array of GPIOs
* @array_size: number of elements in the descriptor / value arrays
* @desc_array: array of GPIO descriptors whose values will be assigned