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2024-12-08Documentation: extcon: add documentation for Extcon subsystemanish kumar
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>