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2024-12-08Documentation: extcon: add documentation for Extcon subsystemanish kumar1-0/+255
The Extcon (External Connector) subsystem driver lacked proper documentation. This commit adds comprehensive documentation explaining the purpose, key components, and usage of the Extcon framework. The new documentation includes: - An overview of the Extcon subsystem - Descriptions of key structures - Explanations of core functions - Information on the sysfs interface - A usage example for driver developers Link: https://lore.kernel.org/lkml/20241103025436.69196-1-yesanishhere@gmail.com/ Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: anish kumar <yesanishhere@gmail.com> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>