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The Linux Kernel Dropping Its Unused Built-In Software Echo Cancellation Code
Queued up for removal in the upcoming Linux 6.16 kernel cycle is dropping 'echo', a software-based echo cancellation code within the kernel intended for telecommunications use
Queued up within the char-misc-next code for the "char/misc" updates intended for Linux 6.16 is dropping this echo module. Some discussion on lkml: https://lore.kernel.org/all/Z7tZhYET41DAoHVf@gallifrey/ with Arnd and Harald, led to the 'dahdi' package which is part of Asterisk: Dahdi is large, old, only lightly maintained and with a big API, so there's no hope now of ever merging it into the main kernel tree.
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