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gpiolib: update kerneldocs for value setters

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Value setters now return int and can indicate failure. Update the
kerneldocs.

Link: https://lore.kernel.org/r/20250227083748.22400-2-brgl@bgdev.pl
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2025-02-27 09:37:48 +01:00
parent 6224e7fc1c
commit 9778568ded
1 changed files with 15 additions and 0 deletions
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15
drivers/gpio/gpiolib.c
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@ -3761,6 +3761,9 @@ int gpiod_set_array_value_complex(bool raw, bool can_sleep,
*
* This function can be called from contexts where we cannot sleep, and will
* complain if the GPIO chip functions potentially sleep.
*
* Returns:
* 0 on success, negative error number on failure.
*/
int gpiod_set_raw_value(struct gpio_desc *desc, int value)
{
@ -3779,6 +3782,9 @@ EXPORT_SYMBOL_GPL(gpiod_set_raw_value);
* This sets the value of a GPIO line backing a descriptor, applying
* different semantic quirks like active low and open drain/source
* handling.
*
* Returns:
* 0 on success, negative error number on failure.
*/
static int gpiod_set_value_nocheck(struct gpio_desc *desc, int value)
{
@ -3803,6 +3809,9 @@ static int gpiod_set_value_nocheck(struct gpio_desc *desc, int value)
*
* This function can be called from contexts where we cannot sleep, and will
* complain if the GPIO chip functions potentially sleep.
*
* Returns:
* 0 on success, negative error number on failure.
*/
int gpiod_set_value(struct gpio_desc *desc, int value)
{
@ -4227,6 +4236,9 @@ EXPORT_SYMBOL_GPL(gpiod_get_array_value_cansleep);
* regard for its ACTIVE_LOW status.
*
* This function is to be called from contexts that can sleep.
*
* Returns:
* 0 on success, negative error number on failure.
*/
int gpiod_set_raw_value_cansleep(struct gpio_desc *desc, int value)
{
@ -4245,6 +4257,9 @@ EXPORT_SYMBOL_GPL(gpiod_set_raw_value_cansleep);
* account
*
* This function is to be called from contexts that can sleep.
*
* Returns:
* 0 on success, negative error number on failure.
*/
int gpiod_set_value_cansleep(struct gpio_desc *desc, int value)
{