Does the following patch seem reasonable? It certainly describes the Requirements in a way I personally understand better? Hopefully, it's Accurate in any other scenarios that I'm not familiar with:-)

Be more explicit about which versions of which components need to match when building the ALSA modules from a complete Linux kernel tree.

Signed-off-by: Stephen Warren swarren@nvidia.com --- INSTALL | 24 +++++++++++++++--------- 1 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/INSTALL b/INSTALL index 9ac4a85..641f12d 100644 --- a/INSTALL +++ b/INSTALL @@ -199,21 +199,27 @@ Note: Some automake packages have missing aclocal program. Use newer version Compilation from Linux kernel tree ==================================

-If you have the linux kernel tree containing the corresponding ALSA -kernel codes (the version must match), you can build with that instead -of a separate alsa-kernel tree. In this case, run -utils/setup-alsa-kernel script in alsa-driver directory: +If you have a complete Linux kernel tree, you can build the ALSA drivers from +that kernel tree instead of from an alsa-kernel tree. Note that the ALSA +version included in that kernel tree must match the ALSA version of this +alsa-driver-build tree. The ALSA modules built from the kernel tree will be +built for the current running kernel, and not for the kernel version or +configuration in the kernel tree. In other words, the currently running +kernel version and the kernel version in the kernel tree need not be +identical. + +In this case, run utils/setup-alsa-kernel script in alsa-driver directory:

utils/setup-alsa-kernel YOUR-LINUX-KERNEL-TREE-PATH

-Then this script will create alsa-kernel sub-directory and make -necessary symlinks automatically. If you would like to copy the files -instead of symlinks (e.g. make an alsa-driver tarball), pass -c option -to setup-alsa-kernel +This script will create alsa-kernel sub-directory and make necessary symlinks +automatically. If you would like to copy the files instead of creating +symlinks (e.g. make an alsa-driver tarball), pass the -c option to +setup-alsa-kernel:

utils/setup-alsa-kernel -c YOUR-LINUX-KERNEL-TREE-PATH

-After that, run gitcompile script. +After that, run the gitcompile script.

Cross-compiling