expand_read_bal has been removed since commit fc37449f79 ("The
next round of scheduled OSS code removal").
software_input_volume has been removed since
commit 0a1b42db4b ("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>
5b4fc3956b