Checking kernel config

Question

Here are a couple of stupid shell (zsh) functions that I've been banging on to help check out the current kernel config.
Just wondering if anyone thinks this might be useful and worth expanding upon.
kc - returns any KConfig help text for the specified kernel option (don't put CONFIG_) in front
Example:
[✍] ~ $ kc TMPFS
config TMPFS
bool "Virtual memory file system support (former shm fs)"
depends on SHMEM
help
Tmpfs is a file system which keeps all files in virtual memory.
The code:
function kc() {
export SEARCH_TERM=$1
find /usr/src/linux-`uname -r` -name Kconfig -print0 | xargs -0 perl -ne '
$/ = "";
while (<>) {
while (/^(config $ENV{'SEARCH_TERM'}\s.*)/sgm) {
print "$1\n";
unset SEARCH_TERM
kcc - uses the above to go through every kernel config (that is enabled or built as a module)
Example:
[✍] ~ $ kcc
config 60XX_WDT
tristate "SBC-60XX Watchdog Timer"
depends on X86
help
This driver can be used with the watchdog timer found on some
single board computers, namely the 6010 PII based computer.
It may well work with other cards. It reads port 0x443 to enable
and re-set the watchdog timer, and reads port 0x45 to disable
the watchdog. If you have a card that behave in similar ways,
you can probably make this driver work with your card as well.
config 64BIT
depends on TILEGX
def_bool y
[...snip...]
The code:
function kcc() {
for i in `zcat /proc/config.gz | perl -ne '/^CONFIG_(.*)=[y|m]/; print "$1\n";' | sort | uniq`
do
kc $i
done

Answer 1

Doesn't it work out-of-the-box? The latest kernel should have a driver for your soundcard.