menuconfig HW bool "Hardware support" default y if HW choice prompt "RTLSDR library" help RTLSDR library config HW_LIB_ORIG bool "librtlsdr original version" default y config HW_LIB_R820T bool "libr820t for of librtlsdr by radiola" default n endchoice choice prompt "Audio" config HW_ALSA bool "Linux ALSA" default y depends on OS_LINUX config HW_NO_AUDIO bool "No audio support" default n endchoice endif