Port drivers for Linux kernel 5.15(or after).
Remove unused headers that not present in the new kernel.
Update function interface matching API updates in the kernel.
Change-Id: Ibdffbe20c0b65b2ddda958d6a32c493696e15768
Signed-off-by: Junkai Cai <junkai@codeaurora.org>
Switch audio drivers to SPDX identifier on msm-4.19.
Change-Id: Ic3f0230a516db251b8d81e8a7e73dbc04d66fe1b
Signed-off-by: Meng Wang <mengw@codeaurora.org>