Author: kbuild test robot <fengguang.wu@intel.com> sound/soc/codecs/da7218.c:3214:9-10: WARNING: return of 0/1 in function ‘da7218_volatile_register’ with return type bool Return statements in functions returning bool should use true/false instead of 1/0. Generated by: scripts/coccinelle/misc/boolreturn.cocci Signed-off-by: Fengguang Wu Signed-off-by: Mark Brown — sound/soc/codecs/da7218.c | 4 ++– 1 file changed, 2 insertions(+), 2 deletions(-) diff –git a/sound/soc/codecs/da7218.c b/sound/soc/codecs/da7218.c …