[PATCH] ASoC: SDCA: Add missing stub for sdca_fdl_free_state()

There should be a stub for sdca_fdl_free_state() for the case FDL
support isn't built into the kernel. Add the missing stub.

Fixes: 0880082c27b6 ("ASoC: SDCA: Remove devm from primary IRQ cleanup")
Reported-by: kernel test robot <[email protected]>
Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Signed-off-by: Charles Keepax <[email protected]>
---
 include/sound/sdca_fdl.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/sound/sdca_fdl.h b/include/sound/sdca_fdl.h
index dc33927b82bde..bc3600cdd2ec8 100644
--- a/include/sound/sdca_fdl.h
+++ b/include/sound/sdca_fdl.h
@@ -83,6 +83,10 @@ static inline int sdca_fdl_alloc_state(struct sdca_interrupt *interrupt)
 	return 0;
 }
 
+static inline void sdca_fdl_free_state(struct sdca_interrupt *interrupt)
+{
+}
+
 static inline int sdca_fdl_process(struct sdca_interrupt *interrupt)
 {
 	return 0;
-- 
2.47.3