diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-11-09 22:53:27 +0200 |
|---|---|---|
| committer | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-11-16 14:14:35 +0200 |
| commit | 1a81f19154b4afcd4216a7253938adf1c0e65ea9 (patch) | |
| tree | e571155f787914ae766465fd200cf1c7715524eb | |
| parent | ce698f4ec18c56ca1f5f725fcf6f7e2c04d90be1 (diff) | |
gpiolib: acpi: Move acpi_gpio_to_gpiod_flags() upper in the code
Move acpi_gpio_to_gpiod_flags() upper in the code to allow further refactoring.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
| -rw-r--r-- | drivers/gpio/gpiolib-acpi.c | 66 |
1 files changed, 33 insertions, 33 deletions
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index b00171d2aaf5..ac1bde0720f2 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -205,6 +205,39 @@ static void acpi_gpiochip_request_irqs(struct acpi_gpio_chip *acpi_gpio) acpi_gpiochip_request_irq(acpi_gpio, event); } +static enum gpiod_flags +acpi_gpio_to_gpiod_flags(const struct acpi_resource_gpio *agpio) +{ + switch (agpio->io_restriction) { + case ACPI_IO_RESTRICT_INPUT: + return GPIOD_IN; + case ACPI_IO_RESTRICT_OUTPUT: + /* + * ACPI GPIO resources don't contain an initial value for the + * GPIO. Therefore we deduce that value from the pull field + * instead. If the pin is pulled up we assume default to be + * high, if it is pulled down we assume default to be low, + * otherwise we leave pin untouched. + */ + switch (agpio->pin_config) { + case ACPI_PIN_CONFIG_PULLUP: + return GPIOD_OUT_HIGH; + case ACPI_PIN_CONFIG_PULLDOWN: + return GPIOD_OUT_LOW; + default: + break; + } + default: + break; + } + + /* + * Assume that the BIOS has configured the direction and pull + * accordingly. + */ + return GPIOD_ASIS; +} + static bool acpi_gpio_in_ignore_list(const char *controller_in, int pin_in) { const char *controller, *pin_str; @@ -530,39 +563,6 @@ static bool acpi_get_driver_gpio_data(struct acpi_device *adev, return false; } -static enum gpiod_flags -acpi_gpio_to_gpiod_flags(const struct acpi_resource_gpio *agpio) -{ - switch (agpio->io_restriction) { - case ACPI_IO_RESTRICT_INPUT: - return GPIOD_IN; - case ACPI_IO_RESTRICT_OUTPUT: - /* - * ACPI GPIO resources don't contain an initial value for the - * GPIO. Therefore we deduce that value from the pull field - * instead. If the pin is pulled up we assume default to be - * high, if it is pulled down we assume default to be low, - * otherwise we leave pin untouched. - */ - switch (agpio->pin_config) { - case ACPI_PIN_CONFIG_PULLUP: - return GPIOD_OUT_HIGH; - case ACPI_PIN_CONFIG_PULLDOWN: - return GPIOD_OUT_LOW; - default: - break; - } - default: - break; - } - - /* - * Assume that the BIOS has configured the direction and pull - * accordingly. - */ - return GPIOD_ASIS; -} - static int __acpi_gpio_update_gpiod_flags(enum gpiod_flags *flags, enum gpiod_flags update) { |