diff options
Diffstat (limited to 'Documentation/gpio/consumer.txt')
| -rw-r--r-- | Documentation/gpio/consumer.txt | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/Documentation/gpio/consumer.txt b/Documentation/gpio/consumer.txt index c21c1313f09e..75542b91b766 100644 --- a/Documentation/gpio/consumer.txt +++ b/Documentation/gpio/consumer.txt @@ -241,18 +241,18 @@ Set multiple GPIO outputs with a single function call ----------------------------------------------------- The following functions set the output values of an array of GPIOs: - void gpiod_set_array(unsigned int array_size, - struct gpio_desc **desc_array, - int *value_array) - void gpiod_set_raw_array(unsigned int array_size, - struct gpio_desc **desc_array, - int *value_array) - void gpiod_set_array_cansleep(unsigned int array_size, - struct gpio_desc **desc_array, - int *value_array) - void gpiod_set_raw_array_cansleep(unsigned int array_size, - struct gpio_desc **desc_array, - int *value_array) + void gpiod_set_array_value(unsigned int array_size, + struct gpio_desc **desc_array, + int *value_array) + void gpiod_set_raw_array_value(unsigned int array_size, + struct gpio_desc **desc_array, + int *value_array) + void gpiod_set_array_value_cansleep(unsigned int array_size, + struct gpio_desc **desc_array, + int *value_array) + void gpiod_set_raw_array_value_cansleep(unsigned int array_size, + struct gpio_desc **desc_array, + int *value_array) The array can be an arbitrary set of GPIOs. The functions will try to set GPIOs belonging to the same bank or chip simultaneously if supported by the @@ -271,8 +271,8 @@ matches the desired group of GPIOs, those GPIOs can be set by simply using the struct gpio_descs returned by gpiod_get_array(): struct gpio_descs *my_gpio_descs = gpiod_get_array(...); - gpiod_set_array(my_gpio_descs->ndescs, my_gpio_descs->desc, - my_gpio_values); + gpiod_set_array_value(my_gpio_descs->ndescs, my_gpio_descs->desc, + my_gpio_values); It is also possible to set a completely arbitrary array of descriptors. The descriptors may be obtained using any combination of gpiod_get() and @@ -290,7 +290,7 @@ corresponding to a given GPIO using the following call: int gpiod_to_irq(const struct gpio_desc *desc) -It will return an IRQ number, or an negative errno code if the mapping can't be +It will return an IRQ number, or a negative errno code if the mapping can't be done (most likely because that particular GPIO cannot be used as IRQ). It is an unchecked error to use a GPIO that wasn't set up as an input using gpiod_direction_input(), or to use an IRQ number that didn't originally come |