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 <fengguang.wu@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
        case DA7218_HPLDET_TEST:
        case DA7218_EVENT_STATUS:
        case DA7218_EVENT:
-               return 1;
+               return true;
        default:
-               return 0;
+               return false;
        }
 }