lint fixes

src/encoders/omx/formatters.c

@@ -77,6 +77,7 @@ const char *omx_state_to_string(OMX_STATETYPE state) {
 		CASE_TO_STRING(OMX_StateIdle);
 		CASE_TO_STRING(OMX_StateExecuting);
 		// cppcheck-suppress constArgument
+		// cppcheck-suppress knownArgument
 		CASE_ASSERT("Unsupported OMX state", state);
 	}
 }

src/xioctl.h

@@ -52,6 +52,7 @@ INLINE int xioctl(int fd, int request, void *arg) {
 		)
 	);
 
+	// cppcheck-suppress knownConditionTrueFalse
 	if (retval && retries <= 0) {
 		LOG_PERROR("ioctl(%d) retried %u times; giving up", request, XIOCTL_RETRIES);
 	}