From: Arnd Bergmann <arnd@xxxxxxxx> The newly introduced function is global but only called in this one file and has no extern prototype, so it should probably be static: sound/pci/hda/cs35l41_hda.c:733:5: error: no previous prototype for 'cs35l41_verify_id' [-Werror=missing-prototypes] 733 | int cs35l41_verify_id(struct cs35l41_hda *cs35l41, unsigned int *regid, unsigned int *reg_revid) Fixes: 881b7bce0c25 ("ALSA: hda: cs35l41: Run boot process during resume callbacks") Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> --- sound/pci/hda/cs35l41_hda.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c index 496ff6a9d300..98a5123e9f50 100644 --- a/sound/pci/hda/cs35l41_hda.c +++ b/sound/pci/hda/cs35l41_hda.c @@ -730,7 +730,7 @@ static int cs35l41_hda_channel_map(struct device *dev, unsigned int tx_num, unsi rx_slot); } -int cs35l41_verify_id(struct cs35l41_hda *cs35l41, unsigned int *regid, unsigned int *reg_revid) +static int cs35l41_verify_id(struct cs35l41_hda *cs35l41, unsigned int *regid, unsigned int *reg_revid) { unsigned int mtl_revid, chipid; int ret; -- 2.39.2