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![]() We need to be able to translate GPIO resources in an ACPI device's _CRS into GPIO descriptor array. Those are represented in _CRS as a pathname to a GPIO device plus the pin's index number: the acpi_get_gpiod() function is perfect for that purpose. As it's currently only used internally within the GPIO layer, provide and export a wrapper function that additionally holds a reference to the GPIO device. Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Daniel Scally <djrscally@gmail.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> |
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aspeed.h | ||
consumer.h | ||
driver.h | ||
gpio-reg.h | ||
machine.h | ||
regmap.h |