expand_read_bal has been removed since commitfc37449f79
("The next round of scheduled OSS code removal"). software_input_volume has been removed since commit0a1b42db4b
("sound: sound/oss/dmasound/: cleanups"). so remove the declare for them from header file. Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com> Link: https://lore.kernel.org/r/20220909061126.1129585-1-cuigaosheng1@huawei.com Signed-off-by: Takashi Iwai <tiwai@suse.de>