# # HSI clients configuration # comment "HSI clients" config SSI_PROTOCOL tristate "SSI protocol" depends on HSI && OMAP_SSI && PHONET help If you say Y here, you will enable the SSI protocol aka McSAAB. If unsure, say N. config HSI_CHAR tristate "HSI/SSI character driver" depends on HSI ---help--- If you say Y here, you will enable the HSI/SSI character driver. This driver provides a simple character device interface for serial communication with the cellular modem over HSI/SSI bus.